{"id":31580,"date":"2026-06-25T16:22:27","date_gmt":"2026-06-25T08:22:27","guid":{"rendered":"https:\/\/alllandpipes.com\/?p=31580"},"modified":"2026-06-25T16:27:06","modified_gmt":"2026-06-25T08:27:06","slug":"stainless-steel-pipe-grades-bending","status":"publish","type":"post","link":"https:\/\/alllandpipes.com\/ru\/blogs\/stainless-steel-pipe-grades-bending.html","title":{"rendered":"Stainless Steel Pipe Guide: Grades & Bending | Allland Pipes"},"content":{"rendered":"
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\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435<\/strong><\/h2>\n\n

Stainless steel pipe is one of the most widely used piping materials in modern industry. From oil and gas transportation and chemical production facilities to food processing equipment, pharmaceutical systems, marine engineering, and building structures, stainless steel pipe plays a vital role across a wide range of applications.<\/p>\n\n

Whether you are an engineering contractor, project procurement specialist, equipment manufacturer, or pipe distributor, this article will help you gain a more comprehensive understanding of stainless steel pipe and its value in various applications.<\/p>\n\n

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1<\/span>\u0412\u0432\u0435\u0434\u0435\u043d\u0438\u0435<\/a><\/span><\/div>\n
2<\/span>What Is Stainless Steel Pipe?<\/a><\/span><\/div>\n
3<\/span>Types of Stainless Steel Pipe<\/a><\/span><\/div>\n
4<\/span>Common Stainless Steel Pipe Grades<\/a><\/span><\/div>\n
5<\/span>Comprehensive Stainless Steel Pipe Specifications<\/a><\/span><\/div>\n
6<\/span>Main Applications of Stainless Steel Pipe<\/a><\/span><\/div>\n
7<\/span>Stainless Steel Exhaust Pipe Applications<\/a><\/span><\/div>\n
8<\/span>How to Bend a Stainless Steel Pipe<\/a><\/span><\/div>\n
9<\/span>Get a Quote for Stainless Steel Pipe<\/a><\/span><\/div>\n<\/div>\n<\/div>\n\n

What Is Stainless Steel Pipe?<\/strong><\/h2>\n\n

Stainless steel pipe<\/a>\u00a0is a hollow tubular product manufactured from stainless steel, primarily used for transporting liquids, gases, and steam, as well as for structural support.<\/p>\n\n

Compared to ordinary carbon steel, stainless steel contains a certain proportion of chromium (Chromium), typically with a chromium content of no less than 10.5%. When chromium comes into contact with oxygen in the air, it forms a dense passive layer on the surface of the steel, effectively preventing further oxidation and corrosion.<\/p>\n\n

Based on their chemical composition and microstructure, stainless steel pipes can be classified into several categories, including austenitic stainless steel pipes, duplex stainless steel pipes, and ferritic stainless steel pipes. Among these, the 304 and 316 series are the most widely used stainless steel pipes globally.<\/p>\n\n

Types of Stainless Steel Pipe<\/strong><\/h2>\n\n

Seamless Stainless Steel Pipe<\/strong><\/h3>\n\n

Seamless stainless steel tubes are manufactured by piercing solid steel billets and then subjecting them to hot-rolling or cold-drawing processes; they are characterized by the absence of weld seams throughout the entire tube.<\/p>\n\n

Because there are no weld zones, seamless tubes offer greater reliability in high-pressure, high-temperature, and corrosive environments, making them widely used in critical industrial systems.<\/p>\n\n

Welded Stainless Steel Pipe<\/strong><\/h3>\n\n

Welded stainless steel pipe is manufactured by rolling stainless steel coils or plates into tubular shapes using forming equipment, and then welding them together using processes such as TIG, laser, or high-frequency welding.<\/p>\n\n

Welded pipes can be mass-produced at a lower cost and are particularly suitable for medium- and low-pressure fluid conveyance and structural applications in construction.<\/p>\n\n

In practical engineering applications, such as large-scale desalination plants in coastal countries like Australia, welded stainless steel pipes are widely used in seawater intake systems, pretreatment units, and reverse osmosis (RO) process piping.<\/p>\n\n

We have a long history of providing welded stainless steel pipe solutions for similar water treatment and desalination projects, where 316L and duplex stainless steel grades are typically specified to ensure long-term corrosion resistance.<\/p>\n\n

Large-Diameter Infrastructure: When water systems scale up to mega municipal or subsea intake channels, engineering requirements often shift to large-diameter carbon welding lines. Discover how to balance these budgets via our guide: LSAW vs. SSAW Pipe<\/a>.<\/p>\n\n

Seamless vs Welded Stainless Steel Pipe<\/strong><\/h3>\n\n
\n\n\n\n\n\n\n\n\n\n
\u0410\u0440\u0442\u0438\u043a\u0443\u043b<\/strong><\/td>\nSeamless Stainless Steel Pipe<\/strong><\/td>\nWelded Stainless Steel Pipe<\/strong><\/td>\n<\/tr>\n
\u041f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u043e<\/td>\nPiercing & rolling<\/td>\nForming & welding<\/td>\n<\/tr>\n
Strength \/ Pressure<\/td>\n\u0412\u044b\u0448\u0435<\/td>\n\u0423\u043c\u0435\u0440\u0435\u043d\u043d\u044b\u0439<\/td>\n<\/tr>\n
\u0423\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c \u043a \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u0438<\/td>\n\u041f\u0440\u0435\u0432\u043e\u0441\u0445\u043e\u0434\u043d\u043e<\/td>\n\u041f\u0440\u0435\u0432\u043e\u0441\u0445\u043e\u0434\u043d\u043e<\/td>\n<\/tr>\n
\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0440\u0430\u0437\u043c\u0435\u0440\u043e\u0432<\/td>\n\u041c\u0430\u043b\u044b\u0439 \u0438 \u0441\u0440\u0435\u0434\u043d\u0438\u0439<\/td>\nWide range (Small\u2013Large)<\/td>\n<\/tr>\n
\u0421\u0442\u043e\u0438\u043c\u043e\u0441\u0442\u044c<\/td>\n\u0412\u044b\u0448\u0435<\/td>\n\u041d\u0438\u0436\u043d\u0438\u0439<\/td>\n<\/tr>\n
\u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f<\/td>\nOil & Gas, Petrochemical, Power<\/td>\nWater, Food, Construction<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n

Technical Note: The physical piercing principle that differentiates seamless stainless pipe from welded versions aligns directly with carbon steel manufacturing. To fully understand the stress allowances across diverse industrial lines, read our foundational study: Seamless vs Welded Steel Pipe<\/a><\/p>\n\n

Common Stainless Steel Pipe Grades<\/strong><\/h2>\n\n

304 Stainless Steel Pipe<\/strong><\/h3>\n\n

Most widely used grade<\/p>\n\n

\u00b7Good corrosion resistance and workability<\/p>\n\n

\u00b7Used in food processing, architectural decoration, general industrial applications, and water supply and drainage systems<\/p>\n\n

316 Stainless Steel Pipe<\/strong><\/h3>\n\n

\u00b7Contains molybdenum (Mo), providing enhanced resistance to chloride ion corrosion<\/p>\n\n

\u00b7Suitable for marine and chemical environments<\/p>\n\n

\u00b7Commonly used in seawater, chemical media, and the pharmaceutical industry<\/p>\n\n

321 Stainless Steel Pipe<\/strong><\/h3>\n\n

\u00b7 Titanium-stabilized stainless steel<\/p>\n\n

\u00b7 Excellent high-temperature oxidation resistance<\/p>\n\n

\u00b7 Suitable for high-temperature applications, such as boilers and heat exchange systems<\/p>\n\n

Duplex Stainless Steel Pipe<\/strong><\/h3>\n\n

\u00b7 Typical grades: 2205 \/ 2507<\/p>\n\n

\u00b7 High strength + excellent pitting resistance<\/p>\n\n

\u00b7 Widely used in the offshore and oil & gas industries<\/p>\n\n

\n\n\n\n\n\n\n\n
\u041a\u043b\u0430\u0441\u0441<\/strong><\/td>\n\u0423\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c \u043a \u043a\u043e\u0440\u0440\u043e\u0437\u0438\u0438<\/strong><\/td>\nHeat Resistance<\/strong><\/td>\n\u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f<\/strong><\/td>\n<\/tr>\n
304<\/td>\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439<\/td>\n\u0421\u0440\u0435\u0434\u043d\u0438\u0439<\/td>\n\u041e\u0431\u0449\u0430\u044f \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u043e\u0441\u0442\u044c<\/td>\n<\/tr>\n
316<\/td>\n\u041e\u0447\u0435\u043d\u044c \u0432\u044b\u0441\u043e\u043a\u0438\u0439<\/td>\n\u0421\u0440\u0435\u0434\u043d\u0438\u0439<\/td>\nMarine & Chemical<\/td>\n<\/tr>\n
321<\/td>\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439<\/td>\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439<\/td>\nExhaust Systems<\/td>\n<\/tr>\n
2205<\/td>\n\u041f\u0440\u0435\u0432\u043e\u0441\u0445\u043e\u0434\u043d\u043e<\/td>\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439<\/td>\n\u041c\u043e\u0440\u0441\u043a\u0438\u0435 \u0442\u0440\u0443\u0431\u043e\u043f\u0440\u043e\u0432\u043e\u0434\u044b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n

Comprehensive Stainless Steel Pipe Specifications<\/strong><\/h2>\n\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u0410\u0440\u0442\u0438\u043a\u0443\u043b<\/strong><\/td>\n\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/strong><\/td>\nCommon Options<\/strong><\/td>\n<\/tr>\n
\u0422\u0438\u043f \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430<\/td>\n\u041c\u0435\u0442\u043e\u0434 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430<\/td>\nSeamless Pipe \/ Welded Pipe<\/td>\n<\/tr>\n
\u041a\u043b\u0430\u0441\u0441 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430<\/td>\nStainless Steel Grade<\/td>\n304, 304L, 316, 316L, 321, 310S, 2205, 2507<\/td>\n<\/tr>\n
\u041d\u0430\u0440\u0443\u0436\u043d\u044b\u0439 \u0434\u0438\u0430\u043c\u0435\u0442\u0440 (OD)<\/td>\nPipe Outer Diameter<\/td>\n10.3 mm \u2013 1219 mm (1\/8″ \u2013 48″)<\/td>\n<\/tr>\n
\u0422\u043e\u043b\u0449\u0438\u043d\u0430 \u0441\u0442\u0435\u043d\u043e\u043a (WT)<\/td>\n\u0422\u043e\u043b\u0449\u0438\u043d\u0430 \u0441\u0442\u0435\u043d\u043a\u0438 \u0442\u0440\u0443\u0431\u044b<\/td>\nSCH 5S, SCH 10S, SCH 40S, SCH 80S, SCH 160<\/td>\n<\/tr>\n
\u0414\u043b\u0438\u043d\u0430<\/td>\nStandard Supply Length<\/td>\n5.8 m, 6 m, 11.8 m, 12 m, Custom Length<\/td>\n<\/tr>\n
\u041e\u0442\u0434\u0435\u043b\u043a\u0430 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438<\/td>\n\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438<\/td>\nPickled, BA, Polished, Mirror, Electropolished (EP)<\/td>\n<\/tr>\n
End Type<\/td>\nPipe End Configuration<\/td>\nPlain End (PE), Beveled End (BE), Threaded End<\/td>\n<\/tr>\n
Manufacturing Standard<\/td>\nProduction Standard<\/td>\nASTM A312, ASTM A213, ASTM A269, ASTM A790, EN 10216-5<\/td>\n<\/tr>\n
Dimension Standard<\/td>\nSize Standard<\/td>\nASME B36.19M, ASME B36.10M<\/td>\n<\/tr>\n
\u041d\u043e\u043c\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0435 \u0434\u0430\u0432\u043b\u0435\u043d\u0438\u0435<\/td>\n\u041c\u043e\u0449\u043d\u043e\u0441\u0442\u044c \u0434\u0430\u0432\u043b\u0435\u043d\u0438\u044f<\/td>\nDepends on Grade, OD and Wall Thickness<\/td>\n<\/tr>\n
\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440<\/td>\n\u0422\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u0430 \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u043d\u0438\u044f<\/td>\nUp to 870\u00b0C (depending on grade)<\/td>\n<\/tr>\n
Inspection & Testing<\/td>\n\u041a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430<\/td>\nHydrostatic Test, PMI Test, UT, RT, Eddy Current Test<\/td>\n<\/tr>\n
Certificate<\/td>\nInspection Certificate<\/td>\nEN 10204 3.1 \/ MTC<\/td>\n<\/tr>\n
\u041f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f<\/td>\nTypical Industries<\/td>\nOil & Gas, Chemical, Food Processing, Pharmaceutical, Water Treatment, Construction<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n

Main Applications of Stainless Steel Pipe<\/strong><\/h2>\n\n

1. Oil & Gas Transmission Pipelines<\/strong><\/h3>\n\n

For high-temperature, high-pressure, or corrosive environments in the oil and gas sector, Allland Pipes supplies stainless steel pipes such as ASTM A312 TP316L and ASTM A790 Duplex 2205 to oil and gas projects in the Middle East, meeting the corrosion resistance requirements of local operating conditions.<\/p>\n\n

2. Chemical & Petrochemical Industry<\/strong><\/h3>\n\n

3. Food & Beverage Industry<\/strong><\/h3>\n\n

Most applications use 304 and 316L sanitary stainless steel pipes to ensure cleanliness and corrosion resistance.<\/p>\n\n

4<\/strong>. Construction & Architecture<\/strong><\/h3>\n\n

Common stainless steel grades<\/p>\n\n

\u2022 201<\/p>\n\n

\u2022 304<\/p>\n\n

\u2022 316<\/p>\n\n

Stainless Steel Exhaust Pipe Applications<\/strong><\/h2>\n\n

Stainless steel exhaust pipes are widely used in automotive, construction machinery, and industrial exhaust systems, primarily for conveying high-temperature exhaust gases. Compared to ordinary carbon steel, stainless steel offers superior heat resistance, oxidation resistance, and a longer service life.<\/p>\n\n

Why Stainless Steel Is Used for Exhaust Pipes<\/strong><\/h3>\n\n

Exhaust systems are constantly exposed to high temperatures, vibration, and corrosive gases; therefore, the materials used must possess the following properties:<\/p>\n\n