{"id":32805,"date":"2026-07-29T17:11:28","date_gmt":"2026-07-29T09:11:28","guid":{"rendered":"https:\/\/alllandpipes.com\/?p=32805"},"modified":"2026-07-29T17:16:12","modified_gmt":"2026-07-29T09:16:12","slug":"how-to-choose-a-reliable-welded-steel-pipe-factory-for-your-project","status":"publish","type":"post","link":"https:\/\/alllandpipes.com\/fr\/blogs\/how-to-choose-a-reliable-welded-steel-pipe-factory-for-your-project.html","title":{"rendered":"How to Choose a Reliable Welded Steel Pipe Factory for Your Project"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"32805\" class=\"elementor elementor-32805\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-564aa3e4 e-flex e-con-boxed e-con e-parent\" data-id=\"564aa3e4\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-116d2095 elementor-widget elementor-widget-text-editor\" data-id=\"116d2095\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\n<div id=\"gspb_toc-id-gsbp-dd1cc3d\" class=\"wp-block-greenshift-blocks-toc gs-toc gspb_toc-id-gsbp-dd1cc3d\">\n<div class=\"gs-autolist\">\n<div class=\"gs-autolist-item\"><span class=\"gs-autolist-number\">1<\/span><span class=\"gs-autolist-title\"><a class=\"gs-scrollto\" href=\"#introduction\">Introduction<\/a><\/span><\/div>\n<div class=\"gs-autolist-item\"><span class=\"gs-autolist-number\">2<\/span><span class=\"gs-autolist-title\"><a class=\"gs-scrollto\" href=\"#how-are-welded-steel-pipes-manufactured\">How Are Welded Steel Pipes Manufactured?<\/a><\/span><\/div>\n<div class=\"gs-autolist-item\"><span class=\"gs-autolist-number\">3<\/span><span class=\"gs-autolist-title\"><a class=\"gs-scrollto\" href=\"#types-of-welded-steel-pipes-produced-by-alllandpipes\">Types of Welded Steel Pipes Produced by Alllandpipes<\/a><\/span><\/div>\n<div class=\"gs-autolist-item\"><span class=\"gs-autolist-number\">4<\/span><span class=\"gs-autolist-title\"><a class=\"gs-scrollto\" href=\"#what-makes-a-professional-welded-steel-pipe-factory\">What Makes a Professional Welded Steel Pipe Factory?<\/a><\/span><\/div>\n<div class=\"gs-autolist-item\"><span class=\"gs-autolist-number\">5<\/span><span class=\"gs-autolist-title\"><a class=\"gs-scrollto\" href=\"#applications-of-welded-steel-pipes\">Applications of Welded Steel Pipes<\/a><\/span><\/div>\n<div class=\"gs-autolist-item\"><span class=\"gs-autolist-number\">6<\/span><span class=\"gs-autolist-title\"><a class=\"gs-scrollto\" href=\"#why-choose-a-chinese-welded-steel-pipe-factory\">Why Choose a Chinese Welded Steel Pipe Factory?<\/a><\/span><\/div>\n<div class=\"gs-autolist-item\"><span class=\"gs-autolist-number\">7<\/span><span class=\"gs-autolist-title\"><a class=\"gs-scrollto\" href=\"#faq\">FAQ<\/a><\/span><\/div>\n<\/div>\n<\/div>\n\n<h2 id=\"introduction\" class=\"wp-block-heading\"><strong>Introduction<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Choisir le bon <strong>welded steel pipe factory<\/strong>\u00a0is a critical decision for construction, oil and gas, water transmission and infrastructure projects. A reliable manufacturer not only supplies high-quality welded steel pipes but also provides technical support, customized solutions and stable delivery.<\/p>\n\n<p class=\"wp-block-paragraph\">Unlike trading companies that source products from different suppliers, a professional steel pipe factory controls the entire manufacturing process, from raw material inspection to final shipment.<\/p>\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<tbody>\n<tr>\n<td><strong>\u00c9l\u00e9ment de comparaison<\/strong><\/td>\n<td><strong>Welded Steel Pipe Factory<\/strong><\/td>\n<td><strong>Trading Company<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Production<\/strong><\/td>\n<td>Own manufacturing lines<\/td>\n<td>External sourcing<\/td>\n<\/tr>\n<tr>\n<td><strong>Contr\u00f4le qualit\u00e9<\/strong><\/td>\n<td>Directly managed during production<\/td>\n<td>Depends on suppliers<\/td>\n<\/tr>\n<tr>\n<td><strong>Customization<\/strong><\/td>\n<td>Flexible dimensions and specifications<\/td>\n<td>Usually limited<\/td>\n<\/tr>\n<tr>\n<td><strong>Technical Support<\/strong><\/td>\n<td>Professional engineering support<\/td>\n<td>Limit\u00e9e<\/td>\n<\/tr>\n<tr>\n<td><strong>Delivery Control<\/strong><\/td>\n<td>Direct production scheduling<\/td>\n<td>Depends on suppliers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n<p class=\"wp-block-paragraph\">Working directly with a qualified welded steel pipe factory helps customers achieve better quality consistency, competitive pricing and reliable project execution.<\/p>\n\n<div id=\"gspb_image-id-gsbp-96dfbdc\" class=\"wp-block-greenshift-blocks-image gspb_image gspb_image-id-gsbp-96dfbdc\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/alllandpipes.com\/wp-content\/uploads\/2026\/07\/allland-welded-steel-pipe-factory-facility.webp\" width=\"800\" height=\"450\" data-src=\"\" \/><\/div>\n\n<h2 id=\"how-are-welded-steel-pipes-manufactured\" class=\"wp-block-heading\"><strong>How Are Welded Steel Pipes Manufactured?<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">A professional welded steel pipe factory follows strict manufacturing procedures to ensure pipe strength, dimensional accuracy and compliance with international standards.<\/p>\n\n<p class=\"wp-block-paragraph\">The typical production process includes:<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Raw Material Inspection \u2192 Pipe Forming \u2192 Welding \u2192 Testing \u2192 Surface Treatment \u2192 Shipment<\/strong><\/p>\n\n<h3 id=\"1-raw-material-preparation\" class=\"wp-block-heading\"><strong>1. <\/strong><strong>Raw Material Preparation<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">The manufacturing process starts with high-quality steel coils or steel plates.<\/p>\n\n<h3 id=\"2-pipe-forming-and-welding-process\" class=\"wp-block-heading\"><strong>2<\/strong><strong>. Pipe Forming and Welding Process<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Different welded steel pipes use different forming technologies according to their applications and size requirements.<\/p>\n\n<h4 id=\"erw-manufacturing\" class=\"wp-block-heading\"><strong>ERW Manufacturing<\/strong><\/h4>\n\n<h3 id=\"steel-coil-forming-high-frequency-welding-sizing-testing\" class=\"wp-block-heading\"><strong>Steel Coil \u2192 Forming \u2192 High-Frequency Welding \u2192 Sizing \u2192 Testing<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Avantages :<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Pr\u00e9cision dimensionnelle \u00e9lev\u00e9e<\/li>\n\n<li>Smooth surface finish<\/li>\n\n<li>Efficient production<\/li>\n\n<li>Suitable for small and medium diameter pipes<\/li>\n<\/ul>\n\n<h4 id=\"lsaw-manufacturing\" class=\"wp-block-heading\"><strong>LSAW Manufacturing<\/strong><\/h4>\n\n<p class=\"wp-block-paragraph\">Steel plate \u2192 JCO forming \u2192 Submerged arc welding \u2192 Expansion \u2192 Inspection<\/p>\n\n<h4 id=\"ssaw-manufacturing\" class=\"wp-block-heading\"><strong>SSAW Manufacturing<\/strong><\/h4>\n\n<p class=\"wp-block-paragraph\">Steel Coil \u2192 Spiral Forming \u2192 Welding \u2192 Cutting \u2192 Testing<\/p>\n\n<h3 id=\"3-quality-inspection-in-a-welded-steel-pipe-factory\" class=\"wp-block-heading\"><strong>3.\u00a0<\/strong><strong>Quality Inspection in a Welded Steel Pipe Factory<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Quality control is one of the most important factors when selecting a welded steel pipe manufacturer.<\/p>\n\n<p class=\"wp-block-paragraph\">Professional factories perform comprehensive inspections, including:<\/p>\n\n<h4 id=\"hydrostatic-testing\" class=\"wp-block-heading\"><strong>Essais hydrostatiques<\/strong><\/h4>\n\n<p class=\"wp-block-paragraph\">Ensures pipes can withstand designed pressure requirements.<\/p>\n\n<h4 id=\"ultrasonic-testing-ut\" class=\"wp-block-heading\"><strong>Contr\u00f4le par ultrasons (UT)<\/strong><\/h4>\n\n<p class=\"wp-block-paragraph\">Detects internal defects and welding quality issues.<\/p>\n\n<h4 id=\"radiographic-testing-rt\" class=\"wp-block-heading\"><strong>Contr\u00f4le radiographique (RT)<\/strong><\/h4>\n\n<p class=\"wp-block-paragraph\">Checks weld integrity through non-destructive examination.<\/p>\n\n<h4 id=\"mechanical-testing\" class=\"wp-block-heading\"><strong>Essais m\u00e9caniques<\/strong><\/h4>\n\n<p class=\"wp-block-paragraph\">Evaluates:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Limite d'\u00e9lasticit\u00e9<\/li>\n\n<li>R\u00e9sistance \u00e0 la traction<\/li>\n\n<li>\u00c9longation<\/li>\n<\/ul>\n\n<h4 id=\"dimensional-inspection\" class=\"wp-block-heading\"><strong>Contr\u00f4le dimensionnel<\/strong><\/h4>\n\n<p class=\"wp-block-paragraph\">Verifies:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Diam\u00e8tre ext\u00e9rieur<\/li>\n\n<li>Epaisseur de la paroi<\/li>\n\n<li>Longueur<\/li>\n\n<li>Rectitude<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Strict inspection ensures welded steel pipes meet international standards and project specifications.<\/p>\n\n<h2 id=\"types-of-welded-steel-pipes-produced-by-alllandpipes\" class=\"wp-block-heading\"><strong>Types of Welded Steel Pipes Produced by Alllandpipes<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">A professional welded steel pipe factory should provide different pipe solutions for various industries.<\/p>\n\n<p class=\"wp-block-paragraph\">Alllandpipes\u00a0supplies three major types of welded steel pipes:<\/p>\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/alllandpipes.com\/product\/allland-steel-pipe\/erw-steel-pipe.html\">Tube d'acier ERW<\/a><\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Typical Size Range:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Outside Diameter (OD):<\/strong>\u00a021.3 mm \u2013 610 mm (1\/2&#8243; \u2013 24&#8243;)<\/li>\n\n<li><strong>\u00c9paisseur de la paroi (WT) :<\/strong>\u00a01.5 mm \u2013 25 mm<\/li>\n\n<li><strong>Longueur :<\/strong>\u00a05.8 m, 6 m, 12 m or customized lengths<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Common Standards Include:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><a class=\"wpil_keyword_link\" title=\"ASTM A53\" href=\"https:\/\/alllandpipes.com\/standards\/astm-a53.html\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"1344\">ASTM A53<\/a><\/li>\n\n<li>ASTM A795<\/li>\n\n<li>GB\/T 3091<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/alllandpipes.com\/product\/allland-steel-pipe\/lsaw-steel-pipe.html\">Tube d'acier LSAW<\/a><\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">Typical Size Range:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Outside Diameter (OD):<\/strong>\u00a0406 mm \u2013 1620 mm (16&#8243; \u2013 64&#8243;)<\/li>\n\n<li><strong>\u00c9paisseur de la paroi (WT) :<\/strong>\u00a06 mm \u2013 50 mm<\/li>\n\n<li><strong>Longueur :<\/strong>\u00a06 m \u2013 18 m or customized<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Common Standards Include:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><a class=\"wpil_keyword_link\" title=\"API 5L\" href=\"https:\/\/alllandpipes.com\/standards\/api-5l.html\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"1345\">API 5L<\/a><\/li>\n\n<li><a class=\"wpil_keyword_link\" title=\"ASTM A252\" href=\"https:\/\/alllandpipes.com\/standards\/astm-a252.html\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"1341\">ASTM A252<\/a><\/li>\n\n<li><a class=\"wpil_keyword_link\" title=\"EN 10219\" href=\"https:\/\/alllandpipes.com\/standards\/en-10219.html\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"1343\">EN 10219<\/a><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/alllandpipes.com\/product\/allland-steel-pipe\/ssaw-steel-pipe.html\">Tube d'acier SSAW<\/a><\/strong><\/p>\n\n<p class=\"wp-block-paragraph\">SSAW pipes provide an economical solution for large diameter pipeline projects.<\/p>\n\n<p class=\"wp-block-paragraph\">Typical Size Range:<\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Outside Diameter (OD):<\/strong>\u00a0219 mm \u2013 3500 mm (8&#8243; \u2013 138&#8243;)<\/li>\n\n<li><strong>\u00c9paisseur de la paroi (WT) :<\/strong>\u00a05 mm \u2013 25 mm<\/li>\n\n<li><strong>Longueur :<\/strong>\u00a06 m \u2013 18 m or customized<\/li>\n<\/ul>\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<tbody>\n<tr>\n<td><strong>Type de tuyau<\/strong><\/td>\n<td><strong>Processus de fabrication<\/strong><\/td>\n<td><strong>Gamme de tailles<\/strong><\/td>\n<td><strong>Common Standards<\/strong><\/td>\n<td><strong>Principales applications<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Tube d'acier ERW<\/strong><\/td>\n<td>High-frequency resistance welding<\/td>\n<td>OD 21.3\u2013610 mm, WT 1.5\u201325 mm<\/td>\n<td>ASTM A53, ASTM A795, GB\/T 3091<\/td>\n<td>Fire protection, construction, mechanical piping<\/td>\n<\/tr>\n<tr>\n<td><strong>Tube d'acier LSAW<\/strong><\/td>\n<td>JCO forming + submerged arc welding<\/td>\n<td>OD 406\u20131620 mm, WT 6\u201350 mm<\/td>\n<td>API 5L, ASTM A252, EN 10219<\/td>\n<td>Oil &amp; gas, water transmission, piling<\/td>\n<\/tr>\n<tr>\n<td><strong>Tube d'acier SSAW<\/strong><\/td>\n<td>Spiral submerged arc welding<\/td>\n<td>OD 219\u20133500 mm, WT 5\u201325 mm<\/td>\n<td>API 5L, ASTM A252, ASTM A139<\/td>\n<td>Large diameter pipelines, infrastructure<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n<h2 id=\"what-makes-a-professional-welded-steel-pipe-factory\" class=\"wp-block-heading\"><strong>What Makes a Professional Welded Steel Pipe Factory?<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Choosing a supplier requires more than comparing prices. A reliable welded steel pipe factory should have strong manufacturing capabilities and quality management systems.<\/p>\n\n<p class=\"wp-block-paragraph\">Advanced Production Equipment:Advanced equipment ensures stable production capacity and consistent product quality.<\/p>\n\n<p class=\"wp-block-paragraph\">International Certifications:Certifications demonstrate a factory&#8217;s ability to meet global project requirements.<\/p>\n\n<ul class=\"wp-block-list\">\n<li>API 5L<\/li>\n\n<li>ASTM A53<\/li>\n\n<li><a class=\"wpil_keyword_link\" title=\"ASTM A500\" href=\"https:\/\/alllandpipes.com\/standards\/astm-a500.html\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"1342\">ASTM A500<\/a><\/li>\n\n<li>EN 10219<\/li>\n\n<li>DIN<\/li>\n\n<li>JIS<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Strict Quality Control System<\/p>\n\n<p class=\"wp-block-paragraph\">Professional factories provide:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Mill Test Certificates (MTC)<\/li>\n\n<li>Inspection reports<\/li>\n\n<li>Third-party inspection support<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Custom Manufacturing Capability:Different projects require different specifications.<\/p>\n\n<p class=\"wp-block-paragraph\">A capable welded steel pipe factory should provide customization for:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Pipe diameter<\/li>\n\n<li>Epaisseur de la paroi<\/li>\n\n<li>Longueur<\/li>\n\n<li>Steel grade<\/li>\n\n<li>Surface coating<\/li>\n\n<li>End finishing<\/li>\n<\/ul>\n\n<h2 id=\"applications-of-welded-steel-pipes\" class=\"wp-block-heading\"><strong>Applications of Welded Steel Pipes<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\"><strong>Oil and Gas Industry:<\/strong>\u00a0High-pressure LSAW and API 5L line pipes are widely used for cross-country oil and natural gas transmission lines.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Water Transmission Projects:<\/strong>\u00a0Large-diameter SSAW and ERW pipes provide durable, cost-effective solutions for municipal water supply and sewage networks.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Construction &amp; Structural Engineering:<\/strong>\u00a0High-strength structural steel pipes (such as ASTM A500 and EN 10219) serve as structural columns, bridge supports, and foundation piling.<\/p>\n\n<p class=\"wp-block-paragraph\"><strong>Fire Protection Systems:<\/strong>\u00a0Threaded and grooved Schedule 40 ERW pipes (ASTM A53 \/ ASTM A795) form the backbone of commercial fire sprinkler systems.<\/p>\n\n<h2 id=\"why-choose-a-chinese-welded-steel-pipe-factory\" class=\"wp-block-heading\"><strong>Why Choose a Chinese Welded Steel Pipe Factory?<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">China has become one of the world&#8217;s major steel pipe manufacturing centers due to its complete supply chain and advanced production capabilities.<\/p>\n\n<h3 id=\"alllandpipes-welded-steel-pipe-factory-reliable-global-partner\" class=\"wp-block-heading\"><strong>Alllandpipes Welded Steel Pipe Factory: Reliable Global Partner<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Alllandpipes is a professional welded steel pipe manufacturer in China with extensive experience supplying global projects.<\/p>\n\n<p class=\"wp-block-paragraph\">Our capabilities include:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>ERW steel pipe production<\/li>\n\n<li>LSAW steel pipe production<\/li>\n\n<li>SSAW steel pipe production<\/li>\n\n<li>Anti-corrosion coating services<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">We provide welded steel pipes according to international standards, including:API\u3001ASTM\u3001EN \u3001DIN\u3001JIS \u3001GB\/T\uff0cetc.<\/p>\n\n<p class=\"wp-block-paragraph\">With strict quality control, advanced manufacturing equipment and global export experience, Alllandpipes\u00a0provides reliable steel pipe solutions for customers worldwide.<\/p>\n\n<h2 id=\"faq\" class=\"wp-block-heading\"><strong>FAQ<\/strong><\/h2>\n\n<h4 id=\"what-standards-are-used-for-welded-steel-pipes\" class=\"wp-block-heading\"><strong>What standards are used for welded steel pipes?<\/strong><\/h4>\n\n<p class=\"wp-block-paragraph\">Common standards include API 5L, ASTM A53, ASTM A500, EN 10219 and GB\/T.<\/p>\n\n<h4 id=\"what-coating-options-are-available-from-welded-steel-pipe-factories\" class=\"wp-block-heading\"><strong>What coating options are available from welded steel pipe factories?<\/strong><\/h4>\n\n<p class=\"wp-block-paragraph\">Welded steel pipe manufacturers can provide different coating solutions depending on project requirements.<\/p>\n\n<p class=\"wp-block-paragraph\">Common coatings include:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>rev\u00eatement 3PE<\/li>\n\n<li>Rev\u00eatement 3LPE<\/li>\n\n<li>Rev\u00eatement FBE<\/li>\n\n<li>3PP coating<\/li>\n\n<li>Epoxy coating<\/li>\n\n<li>Galvanized coating<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Coatings help improve corrosion resistance and extend pipeline service life.<\/p>\n\n<h4 id=\"can-a-welded-steel-pipe-factory-provide-oem-or-customized-production\" class=\"wp-block-heading\"><strong>Can a welded steel pipe factory provide OEM or customized production?<\/strong><\/h4>\n\n<p class=\"wp-block-paragraph\">Yes. Many experienced manufacturers provide OEM services for international customers.<\/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":"<p>Introduction Choosing the right welded steel pipe factory\u00a0is a critical decision for construction, oil and gas, water transmission and infrastructure projects. A reliable&#8230;<\/p>","protected":false},"author":1,"featured_media":32808,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"How to Choose a Welded Steel Pipe Factory","_seopress_titles_desc":"Sourcing welded line pipes? Learn how to choose a reliable welded steel pipe factory, compare factory vs. trading company risks, and review API 5L specs.","_seopress_robots_index":"","_gspb_post_css":".gs-autolist{margin:15px 0 30px;border:1px solid #dddddd7d}.gs-autolist-item{padding:15px 15px 15px 5px;display:flex;align-items:center}.gs-autolist-title,.gs-autolist-title a{font-size:18px;line-height:24px;text-decoration:none}#gspb_toc-id-gsbp-dd1cc3d .gs-autolist-item{background-color:#fff}#gspb_toc-id-gsbp-dd1cc3d .gs-autolist-item:nth-child(2n){background-color:#eee}#gspb_toc-id-gsbp-dd1cc3d .gs-autolist-title a{color:#000}#gspb_toc-id-gsbp-dd1cc3d .gs-autolist-number{border-radius:50%;margin:0 20px 0 15px;text-align:center;font-weight:700;background-color:#096db3;color:#fff;height:25px;line-height:25px;width:25px;font-size:16px;min-width:25px}#gspb_toc-id-gsbp-dd1cc3d .gs_sub_heading .gs-autolist-number{font-size:70%}#gspb_image-id-gsbp-96dfbdc img{vertical-align:top;display:inline-block;box-sizing:border-box;max-width:100%;height:auto}#gspb_image-id-gsbp-96dfbdc{margin-top:20px;margin-bottom:20px}","footnotes":""},"categories":[1],"tags":[],"class_list":["post-32805","post","type-post","status-publish","format-standard","has-post-thumbnail","category-blogs"],"acf":[],"_links":{"self":[{"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/posts\/32805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/comments?post=32805"}],"version-history":[{"count":3,"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/posts\/32805\/revisions"}],"predecessor-version":[{"id":32812,"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/posts\/32805\/revisions\/32812"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/media\/32808"}],"wp:attachment":[{"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/media?parent=32805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/categories?post=32805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alllandpipes.com\/fr\/wp-json\/wp\/v2\/tags?post=32805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}