{"id":21954,"date":"2025-11-06T11:25:27","date_gmt":"2025-11-06T03:25:27","guid":{"rendered":"https:\/\/alllandpipes.com\/?p=21954"},"modified":"2025-11-06T11:41:31","modified_gmt":"2025-11-06T03:41:31","slug":"low-carbon-steel-pipe-properties-welding-guide","status":"publish","type":"post","link":"https:\/\/alllandpipes.com\/ar\/blogs\/low-carbon-steel-pipe-properties-welding-guide.html","title":{"rendered":"\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0635\u0644\u0628 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646: \u062f\u0644\u064a\u0644 \u0627\u0644\u062e\u0648\u0627\u0635 \u0648\u0627\u0644\u0644\u062d\u0627\u0645"},"content":{"rendered":"
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\u0627\u0644\u062e\u0644\u0627\u0635\u0629<\/strong><\/span><\/h2>\n\n

\u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u060c \u0648\u0627\u0644\u0645\u0639\u0631\u0648\u0641\u0629 \u0623\u064a\u0636\u064b\u0627 \u0628\u0627\u0633\u0645 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 \u0627\u0644\u0637\u0631\u064a\u0629\u060c \u0647\u064a \u0627\u0644\u0645\u0639\u062f\u0646 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0644\u0644\u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u064a\u0648\u0645. \u064a\u0646\u062a\u0634\u0631 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647 \u0628\u0634\u0643\u0644 \u062f\u0642\u064a\u0642 \u0644\u0644\u063a\u0627\u064a\u0629 - \u0628\u062f\u0621\u064b\u0627 \u0645\u0646 \u0627\u0644\u0647\u064a\u0627\u0643\u0644 \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0644\u0646\u0627\u0637\u062d\u0627\u062a \u0627\u0644\u0633\u062d\u0627\u0628\u060c \u0625\u0644\u0649 \u0627\u0644\u062e\u0637\u0648\u0637 \u0627\u0644\u062a\u064a \u062a\u0648\u0635\u0644 \u0627\u0644\u0645\u064a\u0627\u0647 \u0625\u0644\u0649 \u0645\u0646\u0627\u0632\u0644\u0646\u0627 - \u0644\u062f\u0631\u062c\u0629 \u0623\u0646\u0647 \u0645\u062f\u0641\u0648\u0646 \u062a\u062d\u062a \u0627\u0645\u062a\u0646\u0627\u0646\u0646\u0627 \u0627\u0644\u062c\u0645\u0627\u0639\u064a. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u062d\u0642\u064a\u0642\u0629 \u0623\u0646\u0647 \u0634\u0627\u0626\u0639 \u062c\u062f\u064b\u0627 \u0644\u0627 \u062a\u0631\u062c\u0639 \u0625\u0644\u0649 \u0627\u0644\u062d\u0638. \u0625\u0646\u0647\u0627 \u0645\u0633\u0623\u0644\u0629 \u062a\u0648\u0627\u0632\u0646 \u0647\u0646\u062f\u0633\u064a \u062f\u0642\u064a\u0642.<\/p>\n\n

\u0644\u0627 \u064a\u0631\u062a\u0628\u0637 \u0627\u0646\u062a\u0634\u0627\u0631 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0628\u0643\u0648\u0646\u0647 \u0623\u0643\u062b\u0631 \u0627\u0644\u0645\u0648\u0627\u062f \u0642\u0648\u0629 \u0623\u0648 \u0635\u0644\u0627\u0628\u0629 \u0623\u0648 \u0645\u0642\u0627\u0648\u0645\u0629 \u0644\u0644\u062a\u0622\u0643\u0644. \u0644\u0627 \u062a\u0646\u0628\u0639 \u0623\u0647\u0645\u064a\u062a\u0647 \u0645\u0646 \u0623\u064a \u0642\u0648\u0629 \u0623\u0648 \u062c\u0645\u0627\u0644 \u0643\u0628\u064a\u0631\u064a\u0646 \u0648\u0644\u0643\u0646 \u0645\u0646 \u0645\u0632\u064a\u062c \u0645\u0646 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0645\u0642\u0628\u0648\u0644\u0629 \u0648\u0627\u0644\u0644\u064a\u0648\u0646\u0629 \u0627\u0644\u0645\u0630\u0647\u0644\u0629\u060c \u0648\u0627\u0644\u0623\u0647\u0645 \u0645\u0646 \u0630\u0644\u0643 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u062a\u064a \u0644\u0627 \u0645\u062b\u064a\u0644 \u0644\u0647\u0627. \u0648\u062a\u062a\u0645\u064a\u0632 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0647\u0630\u0647 \u0628\u062d\u0642\u064a\u0642\u0629 \u0648\u0627\u062d\u062f\u0629 \u0628\u0633\u064a\u0637\u0629: \u0641\u0647\u064a \u062a\u062a\u0645\u062a\u0639 \u0628\u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u062d\u0627\u0645 \u0645\u0645\u062a\u0627\u0632\u0629.<\/p>\n\n

\u0647\u0630\u0647 \u0645\u0642\u0627\u0644\u0629 \u064a\u062c\u0628 \u0623\u0646 \u064a\u0639\u0631\u0641\u0647\u0627 \u0643\u0644 \u0645\u0647\u0646\u062f\u0633. \u0633\u0646\u064f\u062c\u0631\u064a \u0641\u062d\u0635\u064b\u0627 \u0643\u0645\u064a\u064b\u0627 \u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u062a\u0647\u0627 \u0648\u062e\u0635\u0627\u0626\u0635\u0647\u0627 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 ASTM A53 Grade B \u0627\u0644\u0634\u0627\u0626\u0639 \u0643\u0646\u0642\u0637\u0629 \u0645\u0631\u062c\u0639\u064a\u0629 \u0644\u062f\u064a\u0646\u0627\u060c \u062b\u0645 \u0633\u0646\u062a\u0639\u0645\u0642 \u0641\u064a \u0643\u064a\u0645\u064a\u0627\u0621 \u0644\u062d\u0627\u0645\u0647\u0627 \u0648\u0646\u0646\u0627\u0642\u0634 \u0645\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0645\u062a\u0633\u0627\u0645\u062d\u0629 \u0644\u0644\u063a\u0627\u064a\u0629 \u0628\u0644 \u0648\u0646\u062d\u062f\u062f \u0647\u0630\u0647 \u0627\u0644\u0633\u0645\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0645\u0641\u0647\u0648\u0645 \u0645\u0643\u0627\u0641\u0626 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CEq).<\/p>\n\n

\"\u062e\u0635\u0627\u0626\u0635<\/figure>\n\n

\u00a0<\/p>\n\n

\u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0643\u0645\u064a\u0629 \u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0635\u0644\u0628 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646<\/strong><\/span><\/h2>\n\n

\u064a\u062d\u062f\u062f \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u062e\u0635\u0627\u0626\u0635 \u0623\u064a \u0641\u0648\u0644\u0627\u0630. \u0641\u064a \u062d\u0627\u0644\u0629 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u201c\u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u201d\u060c \u064a\u064f\u0641\u0647\u0645 \u0645\u0646 \u0630\u0644\u0643 \u0623\u0646\u0647 \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0646\u0633\u0628\u0629 \u0643\u0631\u0628\u0648\u0646 \u0623\u0642\u0644 \u0645\u0646 0.301 \u062a\u064a\u0631\u0627\u0628\u0627\u064a\u062a 3 \u062a\u064a\u0631\u0627\u0628\u0627\u064a\u062a. \u0647\u0630\u0627 \u0627\u0644\u0645\u0643\u0648\u0646 \u0627\u0644\u0648\u0627\u062d\u062f\u060c \u0623\u0648 \u0639\u062f\u0645 \u0648\u062c\u0648\u062f\u0647\u060c \u0647\u0648 \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0627\u0644\u0630\u064a \u064a\u062d\u062f\u062f \u062e\u0635\u0627\u0626\u0635\u0647.<\/p>\n\n

\u0633\u0648\u0641 \u0646\u0623\u062e\u0630 ASTM A53<\/a>\u00a0\u0627\u0644\u062f\u0631\u062c\u0629 B \u0643\u0645\u062b\u0627\u0644 \u0644\u063a\u0631\u0636 \u0627\u0644\u0645\u0646\u0627\u0642\u0634\u0629\u060c \u0648\u0647\u064a \u0625\u062d\u062f\u0649 \u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0629 \u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0635\u0644\u0628 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0639\u0627\u0645 \u0641\u064a \u0646\u0638\u0627\u0645 \u0627\u0644\u0633\u0648\u0627\u0626\u0644 \u0648\u0627\u0644\u0636\u063a\u0637 \u0627\u0644\u0645\u0646\u062e\u0641\u0636.<\/p>\n\n

1. \u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629<\/strong><\/h3>\n\n

\u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a \u0647\u0648 \u201c\u0627\u0644\u0648\u0635\u0641\u0629\u201d \u0627\u0644\u062a\u064a \u062a\u062d\u062f\u062f \u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629 \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645.<\/p>\n\n

\u0627\u0644\u062c\u062f\u0648\u0644 1: \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u060c ASTM A53 \u062f\u0631\u062c\u0629 B (\u0628\u062d\u062f \u0623\u0642\u0635\u0649 %)<\/strong><\/h4>\n\n
\n\n\n\n\n\n\n\n
\u0627\u0644\u0639\u0646\u0635\u0631<\/strong><\/td>\n\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u0645\u062d\u062a\u0648\u0649 (%)<\/strong><\/td>\n\u0627\u0644\u0622\u062b\u0627\u0631 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0648\u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629<\/strong><\/td>\n<\/tr>\n
\u062c (\u0643\u0631\u0628\u0648\u0646)<\/strong><\/td>\n0.30%<\/td>\n\u0627\u0644\u0639\u0646\u0635\u0631 \u0627\u0644\u0645\u062d\u062f\u062f.<\/strong>\u00a0\u0647\u0630\u0647 \u0627\u0644\u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0647\u064a \u0645\u0627 \u064a\u0635\u0646\u0641\u0647\u0627 \u0639\u0644\u0649 \u0623\u0646\u0647\u0627 \u201c\u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u201d. \u0648\u0647\u064a \u062a\u0636\u0645\u0646 \u0635\u0644\u0627\u0628\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0648\u0644\u064a\u0648\u0646\u0629 \u0639\u0627\u0644\u064a\u0629 (\u0635\u0644\u0627\u0628\u0629)\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644 \u0627\u0644\u0623\u0646\u0628\u0648\u0628 \u0642\u0627\u0628\u0644\u0627\u064b \u0644\u0644\u062a\u062d\u0645\u0644 \u0648\u0627\u0644\u062a\u0634\u0643\u064a\u0644.<\/td>\n<\/tr>\n
\u0627\u0644\u0645\u0646\u063a\u0646\u064a\u0632 (Mn)<\/strong><\/td>\n1.20%<\/td>\n\u0639\u0627\u0645\u0644 \u062a\u0642\u0648\u064a\u0629 \u0623\u0633\u0627\u0633\u064a.<\/strong>\u00a0\u064a\u0639\u0632\u0632 \u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 \u0627\u0644\u0642\u0648\u0629 \u0648\u0627\u0644\u0635\u0644\u0627\u0628\u0629\u060c \u0648\u0644\u0643\u0646 \u0628\u062f\u0631\u062c\u0629 \u0623\u0642\u0644 \u0645\u0646 \u0627\u0644\u0643\u0631\u0628\u0648\u0646. \u0643\u0645\u0627 \u0623\u0646\u0647 \u064a\u062a\u062d\u062f \u0623\u064a\u0636\u064b\u0627 \u0628\u0634\u0643\u0644 \u0645\u0641\u064a\u062f \u0645\u0639 \u0627\u0644\u0643\u0628\u0631\u064a\u062a \u0644\u062a\u0643\u0648\u064a\u0646 \u0643\u0628\u0631\u064a\u062a\u064a\u062f \u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 \u0627\u0644\u0630\u064a \u064a\u0645\u0646\u0639 \u201c\u0627\u0644\u0642\u0635\u0648\u0631 \u0627\u0644\u0633\u0627\u062e\u0646\u201d (\u0627\u0644\u0647\u0634\u0627\u0634\u0629) \u0623\u062b\u0646\u0627\u0621 \u0627\u0644\u062f\u0631\u0641\u0644\u0629 \u0639\u0644\u0649 \u0627\u0644\u0633\u0627\u062e\u0646\u060c \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u064a\u062d\u0633\u0646 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639.<\/td>\n<\/tr>\n
\u0641 (\u0627\u0644\u0641\u0648\u0633\u0641\u0648\u0631)<\/strong><\/td>\n0.05%<\/td>\n\u0627\u0644\u0634\u0648\u0627\u0626\u0628.<\/strong>\u00a0\u064a\u062c\u0628 \u0623\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u0641\u0648\u0633\u0641\u0648\u0631 \u0645\u062d\u062f\u0648\u062f\u064b\u0627 \u0644\u0644\u063a\u0627\u064a\u0629. \u0641\u0641\u064a \u0627\u0644\u062a\u0631\u0643\u064a\u0632\u0627\u062a \u0627\u0644\u0623\u0639\u0644\u0649\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0646\u0641\u0635\u0644 \u0627\u0644\u0641\u0648\u0633\u0641\u0648\u0631 \u0639\u0646\u062f \u062d\u062f\u0648\u062f \u062d\u0628\u064a\u0628\u0627\u062a \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u060c \u0645\u0645\u0627 \u064a\u0633\u0628\u0628 \u062a\u0642\u0635\u0641\u064b\u0627 \u0634\u062f\u064a\u062f\u064b\u0627\u060c \u062e\u0627\u0635\u0629\u064b \u0641\u064a \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629.<\/td>\n<\/tr>\n
S (\u0643\u0628\u0631\u064a\u062a)<\/strong><\/td>\n0.045%<\/td>\n\u0627\u0644\u0634\u0648\u0627\u0626\u0628.<\/strong>\u00a0\u0627\u0644\u0643\u0628\u0631\u064a\u062a \u0636\u0627\u0631 \u0644\u0644\u063a\u0627\u064a\u0629 \u0628\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0633\u0628\u0628 \u062a\u0634\u0642\u0642\u064b\u0627 \u0633\u0627\u062e\u0646\u064b\u0627 \u0641\u064a \u0627\u0644\u0644\u062d\u0627\u0645 \u0648\u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0645\u062a\u0623\u062b\u0631\u0629 \u0628\u0627\u0644\u062d\u0631\u0627\u0631\u0629. \u064a\u0639\u062f \u0627\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u064a\u0647 \u0645\u0646\u062e\u0641\u0636\u064b\u0627 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u0625\u0646\u062a\u0627\u062c \u0644\u062d\u0627\u0645\u0627\u062a \u0633\u0644\u064a\u0645\u0629 \u0648\u0645\u0648\u062b\u0648\u0642\u0629.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n

2. \u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629<\/strong><\/h3>\n\n

\u0648\u062a\u0624\u062f\u064a \u0627\u0644\u0648\u0635\u0641\u0629 \u0627\u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629\u060c \u0639\u0646\u062f \u0625\u062e\u0636\u0627\u0639\u0647\u0627 \u0644\u0639\u0645\u0644\u064a\u0629 \u0627\u0644\u062a\u0635\u0646\u064a\u0639 (\u0627\u0644\u062f\u0631\u0641\u0644\u0629 \u0648\u0627\u0644\u0644\u062d\u0627\u0645)\u060c \u0625\u0644\u0649 \u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629. \u0647\u0630\u0647 \u0647\u064a \u0645\u0642\u0627\u064a\u064a\u0633 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0645\u0644\u0645\u0648\u0633\u0629 \u0627\u0644\u062a\u064a \u064a\u0633\u062a\u062e\u062f\u0645\u0647\u0627 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0644\u0644\u062a\u0635\u0645\u064a\u0645 \u0648\u0627\u0644\u062d\u0633\u0627\u0628.<\/p>\n\n

\u0627\u0644\u062c\u062f\u0648\u0644 2: \u0627\u0644\u062e\u0648\u0627\u0635 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629\u060c ASTM A53 \u062f\u0631\u062c\u0629 B<\/strong><\/h4>\n\n
\n\n\n\n\n\n\n
\u0627\u0644\u0645\u0645\u062a\u0644\u0643\u0627\u062a<\/strong><\/td>\n\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649 \u0644\u0644\u0642\u064a\u0645\u0629<\/strong><\/td>\n\u0627\u0644\u0622\u062b\u0627\u0631 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629 \u0648\u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0627\u0644\u0647\u0646\u062f\u0633\u064a\u0629<\/strong><\/td>\n<\/tr>\n
\u0642\u0648\u0629 \u0627\u0644\u0634\u062f<\/strong><\/td>\n60,000 \u0631\u0637\u0644 \u0644\u0643\u0644 \u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629 (415 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644)<\/td>\n\u0647\u0630\u0627 \u0647\u0648 \u0642\u0648\u0629 \u0627\u0644\u0634\u062f \u0627\u0644\u0642\u0635\u0648\u0649 (UTS)<\/strong>, \u0623\u0648 \u0623\u0642\u0635\u0649 \u0625\u062c\u0647\u0627\u062f \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062a\u062d\u0645\u0644\u0647 \u0627\u0644\u0645\u0627\u062f\u0629 \u0642\u0628\u0644 \u0623\u0646 \u062a\u062a\u0645\u0632\u0642. \u0648\u0647\u0648 \u064a\u0645\u062b\u0644 \u0646\u0642\u0637\u0629 \u0627\u0644\u0641\u0634\u0644 \u0627\u0644\u0645\u0637\u0644\u0642 \u0644\u0644\u0623\u0646\u0628\u0648\u0628.<\/td>\n<\/tr>\n
\u0642\u0648\u0629 \u0627\u0644\u0645\u0631\u062f\u0648\u062f<\/strong><\/td>\n35,000 \u0631\u0637\u0644 \u0644\u0643\u0644 \u0628\u0648\u0635\u0629 \u0645\u0631\u0628\u0639\u0629 (240 \u0645\u064a\u062c\u0627 \u0628\u0627\u0633\u0643\u0627\u0644)<\/td>\n\u0627\u0644\u062e\u0627\u0635\u064a\u0629 \u0627\u0644\u0623\u0643\u062b\u0631 \u0623\u0647\u0645\u064a\u0629 \u0644\u0644\u062a\u0635\u0645\u064a\u0645 \u0627\u0644\u0625\u0646\u0634\u0627\u0626\u064a.<\/strong>\u00a0\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062e\u0636\u0648\u0639 \u0647\u064a \u0627\u0644\u0646\u0642\u0637\u0629 \u0627\u0644\u062a\u064a \u062a\u0628\u062f\u0623 \u0639\u0646\u062f\u0647\u0627 \u0627\u0644\u0645\u0627\u062f\u0629 \u0641\u064a \u0627\u0644\u062a\u0634\u0648\u0647 \u0628\u0644\u0627\u0633\u062a\u064a\u0643\u064a\u0627\u064b<\/em>\u00a0(\u0628\u0634\u0643\u0644 \u062f\u0627\u0626\u0645). \u064a\u0642\u0648\u0645 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0628\u062a\u0635\u0645\u064a\u0645 \u0623\u0646\u0638\u0645\u0629 \u0644\u0644\u062d\u0641\u0627\u0638 \u0639\u0644\u0649 \u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u0636\u063a\u0648\u0637 \u0627\u0644\u0639\u0645\u0644 \u0628\u0623\u0645\u0627\u0646 \u0623\u062f\u0646\u0627\u0647<\/em>\u00a0\u0647\u0630\u0627 \u0627\u0644\u0631\u0642\u0645\u060c \u0645\u0639 \u0636\u0645\u0627\u0646 \u0639\u062f\u0645 \u062b\u0646\u064a \u0627\u0644\u0623\u0646\u0628\u0648\u0628 \u0623\u0648 \u062a\u0645\u062f\u062f\u0647 \u0628\u0634\u0643\u0644 \u062f\u0627\u0626\u0645.<\/td>\n<\/tr>\n
\u0627\u0644\u0627\u0633\u062a\u0637\u0627\u0644\u0629<\/strong><\/td>\n~30% (\u0628\u0645\u0642\u064a\u0627\u0633 2\u2033)<\/td>\n\u0627\u0644\u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0644\u0644\u064a\u0648\u0646\u0629.<\/strong>\u00a0\u0627\u0644\u0627\u0633\u062a\u0637\u0627\u0644\u0629 30% \u062a\u0639\u0646\u064a \u0623\u0646 \u0627\u0644\u0639\u064a\u0646\u0629 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062a\u0645\u062f\u062f \u0625\u0644\u0649 1.3 \u0636\u0639\u0641 \u0637\u0648\u0644\u0647\u0627 \u0627\u0644\u0623\u0635\u0644\u064a \u0642\u0628\u0644 \u0623\u0646 \u062a\u0646\u0643\u0633\u0631. \u0647\u0630\u0647 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0647\u064a \u0645\u064a\u0632\u0629 \u0623\u0645\u0627\u0646 \u0628\u0627\u0644\u063a\u0629 \u0627\u0644\u0623\u0647\u0645\u064a\u0629. \u0641\u0647\u064a \u062a\u0634\u064a\u0631 \u0625\u0644\u0649 \u0635\u0644\u0627\u0628\u0629 \u0639\u0627\u0644\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u0627\u0644\u0623\u0646\u0628\u0648\u0628 \u0633\u0648\u0641 \u064a\u062a\u0634\u0648\u0647 \u0628\u0634\u0643\u0644 \u0648\u0627\u0636\u062d \u0648\u064a\u062a\u0633\u0631\u0628 \u0642\u0628\u0644 \u0641\u062a\u0631\u0629 \u0637\u0648\u064a\u0644\u0629 \u0642\u0628\u0644 \u0623\u0646 \u064a\u062a\u062d\u0637\u0645 - \u201c\u0641\u0634\u0644 \u0645\u0637\u064a\u0644\u201d (\u0622\u0645\u0646) \u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u201c\u0641\u0634\u0644 \u0647\u0634\u201d (\u0643\u0627\u0631\u062b\u064a).<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n

\u0627\u0644\u062a\u0639\u0645\u0642 \u0641\u064a \u0639\u0644\u0645 \u0627\u0644\u0645\u0639\u0627\u062f\u0646 \u0641\u064a \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645<\/strong><\/span><\/h2>\n\n

\u0623\u0639\u0638\u0645 \u062c\u0648\u062f\u0629 \u0648\u0638\u064a\u0641\u064a\u0629 \u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0635\u0644\u0628 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0647\u064a \u0633\u0647\u0648\u0644\u0629 \u0644\u062d\u0627\u0645\u0647\u0627. \u0648\u0647\u0630\u0627 \u0645\u0627 \u064a\u062c\u0639\u0644\u0647 \u0628\u0633\u064a\u0637\u064b\u0627 \u0648\u0633\u0631\u064a\u0639\u064b\u0627 \u0648\u0645\u0648\u062b\u0648\u0642\u064b\u0627 \u0641\u064a \u0627\u0644\u062a\u0635\u0646\u064a\u0639 - \u0641\u064a \u0627\u0644\u0648\u0631\u0634\u0629 \u0648\u0641\u064a \u0627\u0644\u062d\u0642\u0644.\u0647\u0630\u0647 \u0627\u0644\u062e\u0627\u0635\u064a\u0629 \u0644\u064a\u0633\u062a \u062d\u062f\u062b\u064b\u0627 \u0639\u0634\u0648\u0627\u0626\u064a\u064b\u0627 \u0647\u0630\u0647 \u0627\u0644\u062e\u0627\u0635\u064a\u0629 \u0644\u064a\u0633\u062a \u0645\u0635\u0627\u062f\u0641\u0629\u061b \u0625\u0646\u0647\u0627 \u0646\u062a\u064a\u062c\u0629 \u0645\u0628\u0627\u0634\u0631\u0629 \u0648\u0645\u062a\u0648\u0642\u0639\u0629 \u0644\u0643\u064a\u0645\u064a\u0627\u0626\u064a\u0629 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629.<\/p>\n\n

1. \u201c\u0627\u0644\u0633\u0628\u0628\u201d: \u062a\u062c\u0646\u0628 \u0627\u0644\u0645\u0627\u0631\u062a\u064a\u0646\u0633\u064a\u062a \u0641\u064a HAZ<\/strong><\/h3>\n\n

\u062a\u062a\u0639\u0644\u0642 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0633\u0647\u0648\u0644\u0629 \u0644\u062d\u0627\u0645 \u0645\u0627\u062f\u0629 \u0645\u0627 \u0644\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0648\u0635\u0644\u0629 \u0644\u062d\u0627\u0645 \u0633\u0644\u064a\u0645\u0629 \u0648\u062e\u0627\u0644\u064a\u0629 \u0645\u0646 \u0627\u0644\u0634\u0642\u0648\u0642. \u0648\u062a\u0643\u0645\u0646 \u0627\u0644\u0635\u0639\u0648\u0628\u0629 \u0627\u0644\u0633\u0627\u0626\u062f\u0629 \u0641\u064a \u0644\u062d\u0627\u0645 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0641\u064a \u0645\u0639\u062f\u0644\u0627\u062a \u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0648\u0627\u0644\u062a\u0628\u0631\u064a\u062f\u060c \u0648\u062a\u062d\u062f\u064a\u062f\u064b\u0627 \u0641\u064a \u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0645\u062c\u0627\u0648\u0631\u0629 \u0644\u0644\u062d\u0627\u0645\u060c \u0648\u0647\u064a \u0645\u0627 \u062a\u0633\u0645\u0649 \u0628\u0627\u0644\u0645\u0646\u0637\u0642\u0629 \u0627\u0644\u0645\u062a\u0623\u062b\u0631\u0629 \u0628\u0627\u0644\u062d\u0631\u0627\u0631\u0629 (HAZ).<\/p>\n\n

\u0625\u0646 \u0639\u062f\u0648 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0647\u0648 \u0628\u0646\u064a\u0629 \u0645\u062c\u0647\u0631\u064a\u0629 \u0645\u062c\u0647\u0631\u064a\u0629 \u062a\u0633\u0645\u0649 \u0645\u0627\u0631\u062a\u064a\u0646\u0633\u0627\u064a\u062a<\/strong>.<\/p>\n\n

\u00b7 \u0645\u0627 \u0647\u0648 \u0627\u0644\u0645\u0627\u0631\u062a\u064a\u0646\u0633\u0627\u064a\u062a\u061f<\/strong>\u00a0\u0648\u0647\u0648 \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0628\u0646\u064a\u0629 \u0634\u062f\u064a\u062f\u0629 \u0627\u0644\u0635\u0644\u0627\u0628\u0629 \u0648\u0627\u0644\u0642\u0648\u0629 \u0648\u0627\u0644\u0647\u0634\u0627\u0634\u0629 \u062a\u0634\u0628\u0647 \u0627\u0644\u0625\u0628\u0631\u0629 \u062a\u062a\u0634\u0643\u0644 \u0641\u064a \u0627\u0644\u0641\u0648\u0644\u0627\u0630.<\/p>\n\n

\u00b7 \u0643\u064a\u0641 \u062a\u062a\u0634\u0643\u0644\u061f<\/strong>\u00a0\u064a\u062a\u0634\u0643\u0644 \u0639\u0646\u062f\u0645\u0627 \u064a\u062a\u0634\u0643\u0644 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0645\u0639 \u0645\u062d\u062a\u0648\u0649 \u0643\u0627\u0641\u064d \u0645\u0646 \u0627\u0644\u0643\u0631\u0628\u0648\u0646<\/em>\u00a0\u064a\u062a\u0645 \u062a\u0628\u0631\u064a\u062f\u0647 \u0628\u0633\u0631\u0639\u0629 \u0643\u0628\u064a\u0631\u0629<\/em>\u00a0\u0645\u0646 \u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0639\u0627\u0644\u064a\u0629 (\u0623\u0648\u0633\u062a\u0646\u064a\u062a\u064a). \u0647\u0630\u0627 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0627\u0644\u0633\u0631\u064a\u0639 \u0647\u0648 \u0628\u0627\u0644\u0636\u0628\u0637 \u0645\u0627 \u064a\u062d\u062f\u062b \u0641\u064a \u0645\u0646\u0637\u0642\u0629 HAZ \u0628\u0639\u062f \u0645\u0631\u0648\u0631 \u0634\u0639\u0644\u0629 \u0627\u0644\u0644\u062d\u0627\u0645.<\/p>\n\n

\u0647\u0630\u0627 \u0647\u0648 \u0633\u0631 \u0646\u062c\u0627\u062d \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646:
\u0648\u0646\u0638\u0631\u064b\u0627 \u0644\u0623\u0646 \u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0645\u0646\u062e\u0641\u0636 \u062c\u062f\u064b\u0627 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644 \u0623\u0642\u0644 \u0645\u0646 0.30%)\u060c \u0641\u0625\u0646 \u201d\u0627\u0644\u0635\u0644\u0627\u0628\u0629\u201d \u0645\u0646\u062e\u0641\u0636\u0629 \u062c\u062f\u064b\u0627 \u0623\u064a\u0636\u064b\u0627. \u0645\u0646 \u0627\u0644\u0645\u0633\u062a\u062d\u064a\u0644 \u0645\u0646 \u0627\u0644\u0646\u0627\u062d\u064a\u0629 \u0627\u0644\u0645\u064a\u0643\u0627\u0646\u064a\u0643\u064a\u0629 \u062a\u0634\u0643\u064a\u0644 \u0647\u064a\u0643\u0644 \u0645\u0627\u0631\u062a\u064a\u0646\u0633\u064a\u062a\u064a \u0628\u0627\u0644\u0643\u0627\u0645\u0644 \u0641\u064a \u0645\u0646\u0637\u0642\u0629 HAZ\u060c \u062d\u062a\u0649 \u0645\u0639 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0627\u0644\u0633\u0631\u064a\u0639 \u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a.<\/p>\n\n

\u0628\u062f\u0644\u0627\u064b \u0645\u0646 \u0623\u0646 \u062a\u0635\u0628\u062d \u0647\u0634\u0629\u060c \u062a\u0628\u0631\u062f \u0645\u0646\u0637\u0642\u0629 HAZ \u0645\u0646 \u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0644\u062a\u0628\u0644\u0648\u0631 \u0628\u0646\u064a\u0629 \u0644\u064a\u0646\u0629 \u0648\u0633\u0647\u0644\u0629 \u0627\u0644\u0644\u064a\u0648\u0646\u0629 \u0648\u0645\u062a\u0633\u0627\u0645\u062d\u0629 \u0645\u0646 \u0627\u0644\u0641\u0631\u064a\u062a \u0648\u0627\u0644\u0628\u064a\u0631\u0644\u0627\u064a\u062a - \u0647\u0630\u0647 \u0627\u0644\u0628\u0646\u0649 \u0627\u0644\u0645\u062c\u0647\u0631\u064a\u0629 \u062a\u0634\u0628\u0647 \u0625\u0644\u0649 \u062d\u062f \u0643\u0628\u064a\u0631 \u0627\u0644\u0645\u0639\u062f\u0646 \u0627\u0644\u0623\u0645. \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a\u060c \u064a\u062d\u062a\u0641\u0638 \u0645\u0641\u0635\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 \u0628\u0635\u0644\u0627\u0628\u062a\u0647 \u0648\u0644\u0627 \u064a\u0643\u0648\u0646 \u0639\u0631\u0636\u0629 \u0644\u0622\u0644\u0627\u0645 \u0627\u0644\u062a\u0643\u0633\u064a\u0631 \u0639\u0644\u0649 \u0627\u0644\u0628\u0627\u0631\u062f \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0641\u064a \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0645\u062a\u0648\u0633\u0637 \u0648\u0639\u0627\u0644\u064a \u0627\u0644\u0643\u0631\u0628\u0648\u0646.<\/p>\n\n

2. \u0627\u0644\u0642\u064a\u0627\u0633 \u0627\u0644\u0643\u0645\u064a \u0644\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645: \u0645\u0643\u0627\u0641\u0626 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CEq)<\/strong><\/h3>\n\n

\u0641\u064a \u062d\u064a\u0646 \u0623\u0646 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0647\u0648 \u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0635\u0644\u0628 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u060c \u0625\u0644\u0627 \u0623\u0646\u0647 \u0644\u064a\u0633 \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u0648\u062d\u064a\u062f. \u0641\u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0623\u062e\u0631\u0649\u060c \u0648\u062e\u0627\u0635\u0629 \u0627\u0644\u0645\u0646\u062c\u0646\u064a\u0632 (Mn)\u060c \u062a\u0633\u0627\u0647\u0645 \u0623\u064a\u0636\u064b\u0627 \u0641\u064a \u0635\u0644\u0627\u0628\u0629 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0648\u064a\u062c\u0628 \u0623\u062e\u0630\u0647\u0627 \u0641\u064a \u0627\u0644\u0627\u0639\u062a\u0628\u0627\u0631.<\/p>\n\n

\u0648\u0644\u062a\u062d\u062f\u064a\u062f \u0647\u0630\u0627 \u0627\u0644\u062a\u0623\u062b\u064a\u0631 \u0627\u0644\u0643\u0644\u064a\u060c \u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0647\u0646\u062f\u0633\u0648\u0646 \u0623\u062f\u0627\u0629 \u0645\u0642\u0628\u0648\u0644\u0629 \u0639\u0644\u0649 \u0646\u0637\u0627\u0642 \u0648\u0627\u0633\u0639 \u062a\u0633\u0645\u0649 \u0645\u0643\u0627\u0641\u0626 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (CEq)<\/strong>. \u0648\u0647\u064a \u0645\u0639\u0627\u062f\u0644\u0629 \u062a\u062a\u0631\u062c\u0645 \u0625\u0645\u0643\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u0635\u0644\u0628 \u0644\u062c\u0645\u064a\u0639 \u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0633\u0628\u0627\u0626\u0643 \u0625\u0644\u0649 \u0646\u0633\u0628\u0629 \u0643\u0631\u0628\u0648\u0646 \u0648\u0627\u062d\u062f\u0629 \u201c\u0645\u0643\u0627\u0641\u0626\u0629\u201d. \u0648\u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u0623\u0643\u062b\u0631 \u0634\u064a\u0648\u0639\u064b\u0627\u060c \u0627\u0644\u062a\u064a \u0648\u0636\u0639\u0647\u0627 \u0627\u0644\u0645\u0639\u0647\u062f \u0627\u0644\u062f\u0648\u0644\u064a \u0644\u0644\u062d\u0627\u0645 (IIW)\u060c \u0647\u064a:<\/p>\n\n

CEq = %C + %TTMn\/6 + (%TTMr+%Mo+%V)\/5 + (%Ni+%TTTTV)\/15<\/strong><\/strong><\/span><\/h2>\n\n

\u0647\u0630\u0647 \u0627\u0644\u0645\u0639\u0627\u062f\u0644\u0629 \u0647\u064a \u0645\u0641\u062a\u0627\u062d \u0627\u0644\u062a\u0646\u0628\u0624 \u0628\u0633\u0644\u0648\u0643 \u0627\u0644\u0644\u062d\u0627\u0645. \u0641\u0647\u064a \u062a\u0648\u0641\u0631 \u0639\u062a\u0628\u062a\u064a\u0646 \u0647\u0627\u0645\u062a\u064a\u0646 \u0648\u0642\u0627\u0628\u0644\u062a\u064a\u0646 \u0644\u0644\u062a\u0646\u0641\u064a\u0630 \u0644\u0644\u0645\u0647\u0646\u062f\u0633\u064a\u0646:<\/p>\n\n

\u00b7 CEq < 0.40% (\u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u062d\u0627\u0645 \u0645\u0645\u062a\u0627\u0632\u0629):<\/strong> \u00a0\u0647\u0630\u0647 \u0647\u064a \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u062a\u064a \u062a\u0646\u062f\u0631\u062c \u0641\u064a\u0647\u0627 \u0639\u0645\u0644\u064a\u0627\u064b \u062c\u0645\u064a\u0639 \u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0635\u0644\u0628 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 (\u0645\u062b\u0644 ASTM A53). \u0644\u0627 \u062a\u062d\u062a\u0627\u062c \u0647\u0630\u0647 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0625\u0644\u0649 \u0623\u064a \u062a\u0633\u062e\u064a\u0646 \u0645\u0633\u0628\u0642 \u0648\u064a\u0645\u0643\u0646 \u0644\u062d\u0627\u0645\u0647\u0627 \u0628\u062c\u0645\u064a\u0639 \u0637\u0631\u0642 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629 \u0648\u0627\u0644\u0627\u0642\u062a\u0635\u0627\u062f\u064a\u0629 (SMAW\u060c GMAW\/MIG\u060c TIG) \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0648\u0627\u062f \u0627\u0644\u0627\u0633\u062a\u0647\u0644\u0627\u0643\u064a\u0629 \u0627\u0644\u0642\u064a\u0627\u0633\u064a\u0629.<\/p>\n\n

\u00b7 CEq > 0.40% (\u0642\u0627\u0628\u0644\u064a\u0629 \u0644\u062d\u0627\u0645 \u0636\u0639\u064a\u0641\u0629):<\/strong> \u00a0\u0648\u0647\u0630\u0627 \u0623\u0645\u0631 \u0634\u0627\u0626\u0639 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0633\u0628\u0627\u0626\u0643 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0648\u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u064a \u0627\u0644\u0645\u062a\u0648\u0633\u0637. \u0647\u0646\u0627\u0643 \u062e\u0637\u0631 \u0643\u0628\u064a\u0631 \u0645\u0646 \u062a\u0637\u0648\u0631 \u0627\u0644\u0645\u0627\u0631\u062a\u064a\u0646\u0633\u064a\u062a \u0648\u0627\u0644\u062a\u0634\u0642\u0642 \u0627\u0644\u0628\u0627\u0631\u062f \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646\u064a. \u0647\u0646\u0627\u0643 \u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0625\u062c\u0631\u0627\u0621\u0627\u062a \u062e\u0627\u0635\u0629 \u0648\u0645\u0643\u0644\u0641\u0629 \u0644\u0644\u062d\u0627\u0645 \u0647\u0630\u0647 \u0627\u0644\u0645\u0648\u0627\u062f\u060c \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644:<\/p>\n\n

\u0627\u0644\u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0645\u0633\u0628\u0642:<\/strong>\u00a0\u064a\u062c\u0628 \u0623\u0646 \u064a\u062a\u0645 \u062a\u0633\u062e\u064a\u0646 \u0627\u0644\u0648\u0635\u0644\u0629 \u0642\u0628\u0644 \u0627\u0644\u0644\u062d\u0627\u0645 \u0644\u0625\u0628\u0637\u0627\u0621 \u0645\u0639\u062f\u0644 \u0627\u0644\u062a\u0628\u0631\u064a\u062f \u0648\u0645\u0646\u0639 \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0627\u0631\u062a\u0646\u0633\u064a\u062a.<\/span><\/p>\n\n

\u0623\u0642\u0637\u0627\u0628 \u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646:<\/strong>\u00a0\u064a\u0644\u0632\u0645 \u0648\u062c\u0648\u062f \u0642\u0636\u0628\u0627\u0646 \u0644\u062d\u0627\u0645 \u062e\u0627\u0635\u0629 \u0644\u0645\u0646\u0639 \u062f\u062e\u0648\u0644 \u0627\u0644\u0647\u064a\u062f\u0631\u0648\u062c\u064a\u0646 \u0641\u064a \u0627\u0644\u0644\u062d\u0627\u0645\u060c \u0645\u0645\u0627 \u0642\u062f \u064a\u0633\u0628\u0628 \u0627\u0644\u062a\u0634\u0642\u0642.<\/p>\n\n

\u0625\u0646 \u0627\u0646\u062e\u0641\u0627\u0636 CEq \u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0627\u0644\u0637\u0631\u064a \u0647\u0648 \u0623\u0643\u0628\u0631 \u0641\u0627\u0626\u062f\u0629 \u062a\u0635\u0646\u064a\u0639\u064a\u0629. \u0641\u0647\u0648 \u064a\u0639\u0641\u064a\u0643 \u0645\u0646 \u0627\u0644\u0627\u0636\u0637\u0631\u0627\u0631 \u0625\u0644\u0649 \u0625\u062c\u0631\u0627\u0621 \u0647\u0630\u0647 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0627\u0644\u062e\u0627\u0635\u0629 \u0627\u0644\u0645\u0643\u0644\u0641\u0629 \u0648\u0627\u0644\u062a\u064a \u062a\u0633\u062a\u063a\u0631\u0642 \u0648\u0642\u062a\u064b\u0627 \u0637\u0648\u064a\u0644\u0627\u064b\u060c \u0645\u0645\u0627 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0627\u0646\u062e\u0641\u0627\u0636 \u0627\u0644\u062a\u0643\u0644\u0641\u0629 \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a\u0629 \u0644\u0644\u062a\u0635\u0646\u064a\u0639.<\/p>\n\n

\u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a (\u062d\u064a\u062b \u062a\u0644\u062a\u0642\u064a \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645)<\/strong><\/span><\/h2>\n\n

\u0625\u0646 \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0641\u0631\u064a\u062f \u0628\u064a\u0646 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u064a\u062c\u0639\u0644 \u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0635\u0644\u0628 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0645\u062b\u0627\u0644\u064a \u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0648\u0627\u0633\u0639\u0629 \u0645\u0646 \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a.<\/p>\n\n

1. \u0646\u0642\u0644 \u0627\u0644\u0633\u0648\u0627\u0626\u0644 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c ASTM A53, API 5L Gr. B. API 5L<\/a>):<\/strong> \u0625\u0646 \u0627\u0644\u062c\u0645\u0639 \u0628\u064a\u0646 \u0642\u0648\u0629 \u0627\u0644\u062e\u0636\u0648\u0639 \u0627\u0644\u0645\u0636\u0645\u0648\u0646\u0629 (\u0644\u0627\u062d\u062a\u0648\u0627\u0621 \u0627\u0644\u0636\u063a\u0637) \u0648\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0627\u0644\u062c\u064a\u062f\u0629 \u064a\u062c\u0639\u0644\u0647\u0627 \u0645\u062b\u0627\u0644\u064a\u0629 \u0644\u062e\u0637\u0648\u0637 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0637\u0648\u064a\u0644\u0629 \u0623\u062d\u0627\u062f\u064a\u0629 \u0627\u0644\u0648\u0635\u0644\u0629. \u064a\u0645\u0643\u0646 \u062a\u0634\u0643\u064a\u0644\u0647\u0627 \u0628\u0633\u0647\u0648\u0644\u0629 \u0643\u0645\u0627 \u0623\u0646 \u0644\u064a\u0648\u0646\u0629 \u0639\u0627\u0644\u064a\u0629 \u062a\u0648\u0641\u0631 \u0648\u0636\u0639 \u0641\u0634\u0644 \u0622\u0645\u0646 \u201c\u0642\u0628\u0644 \u0627\u0644\u062a\u0633\u0631\u0628 \u0642\u0628\u0644 \u0627\u0644\u0643\u0633\u0631\u201d\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647\u0627 \u0627\u0644\u062e\u064a\u0627\u0631 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u064a \u0644\u062a\u0648\u0632\u064a\u0639 \u0627\u0644\u0628\u062e\u0627\u0631 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0636\u063a\u0637 \u0648\u0627\u0644\u063a\u0627\u0632 \u0627\u0644\u0637\u0628\u064a\u0639\u064a \u0648\u0627\u0644\u0647\u0648\u0627\u0621 \u0648\u0627\u0644\u0645\u0627\u0621.<\/p>\n\n

2. \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 (\u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644, ASTM A500<\/a><\/strong>):<\/strong> \u0648\u062a\u0639\u062f \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0623\u0645\u0631\u064b\u0627 \u0628\u0627\u0644\u063a \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0647\u0646\u0627. \u0641\u0646\u0633\u0628\u0629 \u0627\u0644\u0645\u062a\u0627\u0646\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0625\u0644\u0649 \u0627\u0644\u0648\u0632\u0646 \u0648\u0633\u0647\u0648\u0644\u0629 \u0642\u0637\u0639\u0647 \u0648\u062a\u0634\u0643\u064a\u0644\u0647 \u0648\u0644\u062d\u0627\u0645\u0647 \u062a\u062c\u0639\u0644\u0647 \u0627\u0644\u0645\u0639\u062f\u0646 \u0627\u0644\u0645\u0641\u0636\u0644 \u0644\u0625\u0637\u0627\u0631\u0627\u062a \u0627\u0644\u0645\u0628\u0627\u0646\u064a \u0648\u062f\u0639\u0627\u0645\u0627\u062a \u0627\u0644\u062c\u0633\u0648\u0631 \u0648\u0627\u0644\u062f\u0639\u0627\u0645\u0627\u062a \u0627\u0644\u0647\u064a\u0643\u0644\u064a\u0629 \u0648\u0627\u0644\u062f\u0631\u0627\u0628\u0632\u064a\u0646 \u0648\u0642\u0648\u0627\u0639\u062f \u0627\u0644\u0645\u0627\u0643\u064a\u0646\u0627\u062a.<\/p>\n\n

\u0627\u0644\u062e\u0627\u062a\u0645\u0629: \u0627\u0644\u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0647\u0646\u062f\u0633\u064a<\/strong><\/span><\/h2>\n\n

\u0625\u0646 \u0627\u0646\u062a\u0634\u0627\u0631 \u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0635\u0644\u0628 \u0645\u0646\u062e\u0641\u0636 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0644\u064a\u0633 \u0645\u0646 \u0642\u0628\u064a\u0644 \u0627\u0644\u0635\u062f\u0641\u0629. \u0641\u0647\u064a \u0644\u064a\u0633\u062a \u0627\u0644\u0645\u0627\u062f\u0629 \u0627\u0644\u0623\u0642\u0648\u0649 \u0623\u0648 \u0627\u0644\u0623\u0643\u062b\u0631 \u0635\u0644\u0627\u0628\u0629. \u0628\u0644 \u0647\u0648 \u0623\u0641\u0636\u0644 \u0645\u0646 \u0635\u0645\u0645 \u062a\u0648\u0627\u0632\u0646 \u0627\u0644\u0633\u0645\u0627\u062a \u0627\u0644\u0645\u0641\u064a\u062f\u0629 (\u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u0643\u0627\u0641\u064a\u0629 \u0648\u0627\u0644\u0644\u064a\u0648\u0646\u0629 \u0627\u0644\u062c\u064a\u062f\u0629) \u0645\u0639 \u0623\u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0645\u0646 \u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 (\u0642\u0627\u0628\u0644\u064a\u0629 \u0627\u0644\u0644\u062d\u0627\u0645 \u0639\u0644\u0649 \u0645\u0633\u062a\u0648\u0649 \u0639\u0627\u0644\u0645\u064a \u0648\u062a\u0643\u0644\u0641\u0629 \u0645\u0646\u062e\u0641\u0636\u0629).<\/p>\n\n

\u0648\u064a\u064f\u0639\u062f \u0627\u0644\u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0645\u0646\u062e\u0641\u0636 \u0645\u0646 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u060c \u0648\u0645\u0627 \u064a\u0631\u062a\u0628\u0637 \u0628\u0647 \u0645\u0646 \u0627\u0646\u062e\u0641\u0627\u0636 \u0646\u0633\u0628\u0629 \u0627\u0644\u0643\u0631\u0628\u0648\u0646 \u0641\u064a \u0627\u0644\u0641\u0648\u0644\u0627\u0630 \u0639\u0627\u0644\u064a \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u060c \u0627\u0644\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0642\u0646\u064a \u0627\u0644\u0631\u0626\u064a\u0633\u064a \u0644\u0646\u062c\u0627\u062d\u0647\u060c \u0641\u0647\u0648 \u064a\u062a\u064a\u062d \u0627\u0644\u062a\u0635\u0646\u064a\u0639 \u0627\u0644\u0633\u0631\u064a\u0639 \u0648\u063a\u064a\u0631 \u0627\u0644\u0645\u0643\u0644\u0641 \u0648\u0627\u0644\u0645\u0648\u062b\u0648\u0642 \u0628\u0647 \u062f\u0648\u0646 \u0627\u0644\u0645\u062e\u0627\u0637\u0631 \u0627\u0644\u0645\u0639\u062f\u0646\u064a\u0629 \u0644\u0644\u0641\u0648\u0644\u0627\u0630 \u0639\u0627\u0644\u064a \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u060c \u0645\u0645\u0627 \u064a\u062c\u0639\u0644\u0647 \u0627\u0644\u0623\u0633\u0627\u0633 \u0627\u0644\u062d\u0642\u064a\u0642\u064a \u0644\u0644\u0647\u0646\u062f\u0633\u0629 \u0627\u0644\u0645\u0639\u0627\u0635\u0631\u0629.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

\u0627\u0644\u0645\u0644\u062e\u0635 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 \u0645\u0646\u062e\u0641\u0636\u0629 \u0627\u0644\u0643\u0631\u0628\u0648\u0646\u060c \u0648\u0627\u0644\u0645\u0639\u0631\u0648\u0641\u0629 \u0623\u064a\u0636\u064b\u0627 \u0628\u0627\u0633\u0645 \u0627\u0644\u0623\u0646\u0627\u0628\u064a\u0628 \u0627\u0644\u0641\u0648\u0644\u0627\u0630\u064a\u0629 \u0627\u0644\u0637\u0631\u064a\u0629\u060c \u0647\u064a \u0627\u0644\u0645\u0639\u062f\u0646 \u0627\u0644\u0623\u0633\u0627\u0633\u064a \u0644\u0644\u0635\u0646\u0627\u0639\u0629 \u0627\u0644\u064a\u0648\u0645. \u064a\u0646\u062a\u0634\u0631 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647 \u0628\u0634\u0643\u0644 \u062f\u0642\u064a\u0642 \u0644\u0644\u063a\u0627\u064a\u0629 - \u0645\u0646...<\/p>","protected":false},"author":1,"featured_media":21956,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"An engineer's guide to low carbon steel pipe. We explore its chemical & mechanical properties, metallurgy, and why its low CEq ensures excellent weldability.","_seopress_robots_index":"","_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-21954","post","type-post","status-publish","format-standard","has-post-thumbnail","category-blogs"],"acf":[],"_links":{"self":[{"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/posts\/21954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/comments?post=21954"}],"version-history":[{"count":3,"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/posts\/21954\/revisions"}],"predecessor-version":[{"id":21965,"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/posts\/21954\/revisions\/21965"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/media\/21956"}],"wp:attachment":[{"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/media?parent=21954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/categories?post=21954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alllandpipes.com\/ar\/wp-json\/wp\/v2\/tags?post=21954"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}