Stainless Steel Seamless Pipe ASTM A312/ASME SA312
Our company strictly implements ASTM A312 and ASME SA312 standards to ensure that every stainless steel pipe meets the highest quality requirements. Through a series of sophisticated testing processes, including chemical composition analysis, tensile testing, hardness testing, and non-destructive testing, we guarantee the excellent performance of our products in high temperature, high pressure, and corrosive environments.
Our quality control team conducts comprehensive testing on each batch of products to ensure that the performance of the steel pipe meets the customer’s project requirements and helps you achieve long-term and reliable piping solutions.
Contact us now to get ASTM A312/ASME SA312 seamless pipe prices.
ASTM A312, A312M ASME SA312 / SA312M Stainless Steel Seamless Tube & Pipe
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Standard: ASTM A312, A312M ASME SA312 / SA312M
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Material/Steel Grade: TP304, TP304L, TP304H, TP310, TP310S, TP316, TP316L, TP316Ti, TP317, TP317L, TP321, TP321H, TP347, TP347H
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Application: Seamless Austenitic Stainless Steel Pipes
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Size: OD: 1/4″~20″ WT: SCH5S~SCH80S
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Finish: Mill
Our company has sufficient spot inventory, covering seamless and welded stainless steel pipes of various specifications and materials, including mainstream models such as 304, 316, 304L, 316L, etc., to meet your purchasing needs at any time.
ASTM A312, A312M ASME SA312 / SA312M Data Sheet
Mechanical Properties
|
Steel Grade
|
Tensile Strength,
N/mm2 (min)
|
Yield Strength,
N/mm2 (min)
|
Elongation, % (min)
|
|
TP304
|
515
|
205
|
35
|
|
TP304L
|
485
|
170
|
35
|
|
TP316
|
515
|
205
|
35
|
|
TP316L
|
485
|
170
|
35
|
|
TP321
|
OD < 17,1 mm – 515;
OD > 17,1 mm – 485 |
OD < 17,1 mm – 205;
OD > 17,1 mm – 170 |
35
|
Chemical Composition (%, max)
|
Steel Grade
|
C
|
Si
|
Mn
|
Cr
|
Ni
|
Mo
|
S
|
P
|
|
TP304
|
0,08
|
0,75
|
2
|
18 – 20
|
8 – 11
|
–
|
0,03
|
0,04
|
|
TP304L
|
0,035
|
0,75
|
2
|
18 – 20
|
8 – 13
|
–
|
0,03
|
0,04
|
|
TP316
|
0,08
|
0,75
|
2
|
16 – 18
|
11 – 14
|
2 – 3
|
0,03
|
0,04
|
|
TP316L
|
0,035
|
0,75
|
2
|
16 – 18
|
10 – 15
|
2 – 3
|
0,03
|
0,04
|
|
TP321
|
0,08
|
0,75
|
2
|
17 – 20
|
9 – 13
|
–
|
0,03
|
0,04
|
What is ASTM A312 and SME SA312?
ASTM A312 and ASME SA312 are two important standards for stainless steel seamless and welded steel pipes, which are widely used in high-temperature and corrosive environments such as petroleum, chemical, natural gas, and power industries. Their technical requirements and applications are very similar, but they apply to different industrial specifications.
1. ASTM A312:
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Definition: ASTM A312 is a standard developed by the American Society for Testing and Materials (ASTM) for seamless and welded austenitic stainless steel pipes for use in high-temperature and corrosive environments.
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Application: Widely used in industries such as petroleum, chemical, natural gas, nuclear power, food, and medicine, especially for pipeline systems that withstand high temperatures and high pressure.
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Steel Grade: Common materials include 304, 316, 304L, 316L, etc., with excellent corrosion resistance and mechanical properties.
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Manufacturing Process: There are two manufacturing methods, seamless and welding. Seamless pipes are manufactured by perforation and hot rolling or cold drawing process, and welded pipes are manufactured by welding steel plates or steel strips.
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Test Requirements: A series of tests including a tensile test, flattening test, hardness test, and water pressure test are required to ensure the strength and durability of the steel pipe.
2. ASME SA312:
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Definition: ASME SA312 is a standard developed by the American Society of Mechanical Engineers (ASME) as part of its Boiler and Pressure Vessel Code (BPVC), specifically for pressure vessels and high-temperature and high-pressure piping systems.
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Application: Mainly used for the manufacture of boilers, heat exchangers, pressure vessels, and high-temperature piping that need to comply with ASME BPVC, especially in high-temperature and high-pressure environments.
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Steel grade: It also covers stainless steel materials such as 304, 316, 304L, and 316L, which is consistent with the material grade of ASTM A312.
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Manufacturing Process: Same as ASTM A312, providing seamless and welded steel pipe manufacturing methods.
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Testing Requirements: Strict mechanical property testing and non-destructive testing are also required to ensure the safety and reliability of pipes in high-temperature and high-pressure environments.
Differences between ASTM A312 and ASME SA312:
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Standard Organization: ASTM A312 is issued by ASTM, while ASME SA312 is a standard adopted by ASME, mainly used for the design and manufacture of boilers and pressure vessels.
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Application Scope: Although the technical requirements of the two are similar, ASTM A312 is more commonly used in general industrial applications, while ASME SA312 is specifically for pressure vessels and high-temperature piping systems that need to comply with ASME specifications.
ASTM A312 and ASME SA312 Similarities:
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Both standards apply to seamless and welded austenitic stainless steel pipes, and the material specifications and mechanical property requirements are almost the same.
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The mechanical properties, chemical composition, and testing requirements are the same, ensuring safety and reliability under harsh conditions.
Contact Us For China Seamless Pipe ASTM A312/ASME SA312 Price
In addition to ASTM A312/ASME SA312 standards, other relevant standards and certifications such as ISO certification can also be mentioned.
Our products comply with global industrial standards and are suitable for international markets.
Contact us now to get the latest quote and learn more about our high-quality stainless steel pipe products. Whether your project requires standard specifications or customized solutions, our team of experts will provide you with the most suitable advice and technical support. Communicate with us by phone, email, or online consultation!
