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ASTM A312 Seamless Stainless Steel Tubing High Temperature Service Application
Since 2008, TIPTOP offers a wide selection of ASTM A312 seamless steel pipes, and a diverse range of finish options to meet the performance and appearance requirements for most applications.
1. Standards:
ASTM A312 Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes
2. Application:
Refineries; Nuclear Plant; Aerospace Industry; Chemical Fertilizer; Petrochemicals' Oli & Gas and etc.
3. Steel pipes No. of main production:
TP201, TP304, TP304L, TP316L, TP321, TP347, N08904
4. Materials & Manufacture
Pipe shall be either hot finished or cold finished;
The pipe shall be free of scale and contaminating exogenous iron particles. Pickling, blasting, or surface finishing is not mandatory when pipe is bright annealed.
5. Chemical Requirements
| Chemical Composition % | ||||||||||
| Grade | UNS Designation | C | Mn | P | S | Si | Cr | Ni | Mo | Other |
| TP201 | S20100 | 0.15 | 5.5-7.5 | 0.06 | 0.03 | 1 | 16.0-18.0 | 3.5-5.5 | … | N: 0.25 |
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | … |
|
| TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-13.0 | … |
|
| TP304H | S30409 | 0.04-0.10 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | … |
|
| TP316 | S31600 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 11.0-14.0 | 2.00-3.00 |
|
| TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
|
| TP316H | S31609 | 0.04-0.10 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 11.0-14.0 | 2.00-3.00 |
|
| TP321 | S32100 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | … | N: 0.1 |
| TP321H | S32109 | 0.04-0.10 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | … | N: 0.1 |
| TP347 | S34700 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-13.0 | … |
|
| TP347H | S34709 | 0.04-0.10 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-13.0 | … |
|
| … | N08904 | 0.02 | 2 | 0.04 | 0.03 | 1 | 19.0-23.0 | 23.0-28.0 | 4.0-5.0 | N: 0.1 |
6. Tensile Requirements
| Tensile Requirements | |||
| Grade | UNS Designation | Tensile Strength, min | Yield Strength, min |
| TP201 | S20100 | 75 (515) | 38 (260) |
| TP304 | S30400 | 75 (515) | 30 (205) |
| TP304L | S30403 | 70 (485) | 25 (170) |
| TP304H | S30409 | 75 (515) | 30 (205) |
| TP316 | S31600 | 75 (515) | 30 (205) |
| TP316L | S31603 | 70 (485) | 25 (170) |
| TP316H | S31609 | 75 (515) | 30 (205) |
| TP321 ≤ 3/8'' | S32100 | 75 (515) | 30 (205) |
| TP321 ＞3/8'' | 70 (485) | 25 (170) | |
| TP321H ≤ 3/8'' | S32109 | 75 (515) | 30 (205) |
| TP321H ＞3/8'' | 70 (480) | 25 (170) | |
| TP347 | S34700 | 75 (515) | 30 (205) |
| TP347H | S34709 | 75 (515) | 30 (205) |
| … | N08904 | 71 (490) | 31 (215) |
7. Available Size Range
| OD | Thickness | ||
| mm | inch | mm | SCH |
| 10.3~914 | 1/8’’~36’’ | 0.5~70 | All |
| *If the steel grades and size you are looking for are not listed above, please contact us for further information. | |||
