ASTM A312 Standard Specification covers standard specification for seamless, straight-seam welded, and cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service. Several grades of steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, titanium, columbium, tantalum, nitrogen, vanadium, copper, cerium, boron, aluminum, and others. All pipes shall be furnished in the heat-treated condition in accordance with the required heat treating temperature and cooling/testing requirements. Tensile properties of the material shall conform to the prescribed tensile strength and yield strength. The steel pipe shall undergo mechanical tests such as transverse or longitudinal tension test and flattening test. Grain size determination and weld decay tests shall be performed. Each pipe shall also be subjected to the nondestructive electric test or the hydrostatic test.
ASTM A312 stainless steel
ASTM A312 / A312M, Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes, covering Austenitic stainless steels, and manufactured both welded and seamless type for option.
ASTM A312 stainless steel pipe is widely used for high temperature service and general service, pipe size from 1/8 inch to 30 inch for outside diameter.
Chemical Requirements And Mechanical Properties
ASTM A312 covers Austenitic stainless steels, including TP304, TP304L, TP304H, TP304LN, TP309S, TP309J, TP310S, TP310H, TP316, TP316L, TP316H, TP316TI, TP317, TP317L, TP321, TP321H, TP347, TP347H, these grades have unique composition and properties, common stainless steel grades with chemical composition and properties are specified as following.
Nansteel Manufacturing Co.,Ltd supplies a full range of ASTM A312 stainless steel pipes
KUAIMA steel company has more than ten years of experience in diversified operations and multi-product transactions, involving round bar, ship plate, seamless pipe, plate, coil, wire, bright bar, pipe fittings and a wide range of carbon steel, alloy steel And more product sizes of stainless steel materials, these products we produce meet national and international quality standards, such as ASTM, ASME, DIN, JIS, ISO, etc. The company has 25 production lines for various products, with an annual output of 500,000 tons, and is committed to Provide high-quality steel products and provide supporting services and solutions for global customers. Welcome to KUAIMA steel company.
Grade | Carbon | Silicon | Manganese | Chromium | Nickel | Molybdenum | Sulfur | Phosphorous |
TP304 | 0,08 | 1,0 | 2 | 18.0 – 20.0 | 8.0 – 11.0 | – | 0,03 | 0,045 |
TP304L | 0,035 | 1,0 | 2 | 18.0 – 20.0 | 8.0 – 13.0 | – | 0,03 | 0,045 |
TP316 | 0,08 | 1,0 | 2 | 16.0 – 18.0 | 10.0 – 14.0 | 2.00 – 3.00 | 0,03 | 0,045 |
TP316L | 0,035 | 1,0 | 2 | 16.0 – 18.0 | 10.0 – 15.0 | 2.00 – 3.00 | 0,03 | 0,045 |
TP321 | 0,08 | 1,0 | 2 | 17.0 – 19.0 | 9.0 – 12.0 | – | 0,03 | 0,045 |
Steel Grade | Heat Treatment | Temperure Min. º F(º C) | Tensile Strength Ksi (MPa), Min. | Yield Strength Ksi (MPa), Min. | Elongation %, Min |
TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
TP304L | Solution | 1900 (1040) | 70(485) | 25(170) | 35 |
TP304H | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
TP310S | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
TP316 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
TP316L | Solution | 1900(1040) | 70(485) | 25(170) | 35 |
TP316H | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
TP316Ti | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
TP321 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
TP321H | Solution | Cold: 2000(1100) Hot: 1925(1050) | 75(515) | 30(205) | 35 |
TP347 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
TP347H | Solution | Cold: 2000(1100) Hot: 1925(1050) | 75(515) | 30(205) |
Outer Diameter | Seamless:6-720mm or Customized | |
Welded:6-2500mm or Customized | ||
Wall Thickness | Seamless:0.5-120mm or Customized | |
Welded:0.5-40mm or Customized | ||
Length | 1-12m as customer requirement | |
Technique | Cold Drawn | |
End/Edge | PE/BE/THR | |
Material | TP304H, TP309S, TP309H, TP310S, TP310H, TP316, TP316L, TP316N, TP316H, TP317, TP317L, TP321, TP321H, TP347, TP347H, TP347LN, TP348, TP348H, TP405, TP410, TP429, TP430, TP443, TP446, TP409, TPXM-10, SUS304HTB, SUS304LTB,SUS309TB,SUS309STB,SUS310TB,SUS310STB,SUS316TB,SUS316HTB, SUS316HTB, SUS316LTB,SUS316TiTB,SUS317TB,SUS317LTB,SUS836LTB,SUS890LTB,SUS321TB, SUS409LTB, SUS410TB,SUS410TiTB,SUS430TB,SUS430LXTB,SUS430JL1TB,SUS436LTB | |
Surface Fnished | No.1/2B/BA/Hairline/Polished/Mirror/8K/Color Surface | |
Standard | ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456, DIN17457,DIN 17459,JIS G3459,JISG3463,GOST9941,EN10216, BS3605,GB13296 | |
Application | Pipeline Transport Boiler Pipe Hydraulic/Automobile Pipe Oil/Gas Drilling Food/Beverage/Dairy Products Machinery Industry Chemical Industry Mining Construction & Decoration Special Purpose | |
Trade Terms | Price terms | FOB,CIF,CFR,CNF |
Payment terms | T/T,L/C |
API 5L Grade B Seamless Pipe | ASTM A213 High pressure boiler steel pipe |
API 5L Grade X42 Pipe | ASTM A312 High pressure boiler steel pipe |
API 5L Grade X46 Line pipe | ASTM A269 High pressure boiler steel pipe |
API 5L Grade X52 Pipe | ASTM A778 High pressure boiler steel pipe |
API 5L Grade x60 Line Pipe | ASTM A789 High pressure boiler steel pipe |
API 5L Grade X65 Pipe | DIN 17456 High pressure boiler steel pipe |
Seamless steel pipes are mainly used in chemical, petrochemical, marine engineering, seawater pipelines, seawater desalination and other industries, nuclear engineering, paper and pulp industry
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