ASTM A312 Stainless Steel Pipe Seamless Welded TP304 TP304L
Product Details
ASTM A312 Stainless Steel Pipe Seamless
,Stainless Steel Pipe Seamless Welded
,Stainless Steel Pipe Seamless TP304
ASTM A312 is the standard specification issued by the American Society for Testing and Materials (ASTM) for seamless, straight-seam welded, and heavily cold-worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.
It covers grades such as TP304, TP304L, TP316, and TP316L, ensuring excellent resistance to intergranular corrosion and oxidation scaling. Choosing ASTM A312 certified material guarantees dimensional accuracy, mechanical integrity, and long-term reliability.
Key Specifications
| Property | Details |
|---|---|
| Standard | ASTM A312 / ASME SA312 |
| Type | Seamless (SMLS) & Welded (ERW) |
| Material Grades | TP304, TP304L, TP316, TP316L, TP321, TP347 |
| Size Range | 1/8″ to 24″ (DN6 to DN600) |
| Schedule | Sch 5S, Sch 10S, Sch 40S, Sch 80S, Sch 160, XXS |
| Length | Single Random (16-22 ft), Double Random (35-40 ft), or Custom |
| Finish | Mill Finish, Pickled, Annealed, or Polished |
Chemical Composition
Highlights specific data for SEO for "TP316L vs 304 chemical properties"
| Grade | C (Max) | Mn (Max) | P (Max) | S (Max) | Si (Max) | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| TP304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | - |
| TP304L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-12.0 | - |
| TP316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| TP316L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
Mechanical Properties
| Property | TP304 / TP304L | TP316 / TP316L |
|---|---|---|
| Tensile Strength (MPa) | ≥ 515 | ≥ 485 |
| Yield Strength (MPa) | ≥ 205 | ≥ 170 |
| Elongation (%) | ≥ 35 | ≥ 35 |
| Hardness (HRB) | ≤ 90 | ≤ 90 |
Applications: Why Choose ASTM A312 Pipe?
Our customers rely on ASTM A312 stainless pipe for critical infrastructure:
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Chemical & Petrochemical Plants: Transporting corrosive acids and hydrocarbons.
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Food & Beverage Processing: Sanitary lines requiring cleanability and non-reactive surfaces.
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Pharmaceutical Industry: High-purity steam and fluid transfer.
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Desalination & Water Treatment: Resisting saltwater corrosion (316L).
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Heat Exchangers & Boilers: High-temperature fluid movement.
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Mrs. Zhongcheng Metal
Manager
- Email: zhongcheng@metalsstainlesssteel.com
- Tel: 13309216881
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