Xi'an New Force Energy Engineering Co.,Ltd
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Durable Seamless Stainless Steel Pipe , Round Thin Wall Steel Tubing ASTM A312 TP321
ASME SA312 SS 321 Seamless Pipes is generally considered to have comparable weldability to 304 and 304L stainless with the main difference being the titanium addition which reduces or prevents carbide precipitation during welding. Also referred as WNR 1.4541 Seamless Pipes, we also offer these Alloy 321 Seamless Pipes at customizes sizes and shapes too our esteemed clients according to their requirements. Also known as UNS S32100 Seamless Pipes, these stainless steels are available at market leading prices.
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. 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.
4. Chemical Requirements
| Chemical Composition % | ||||||||||
| Grade | UNS Designation | C | Mn | P | S | Si | Cr | Ni | Mo | Other |
| TP321 | S32100 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | … | N: 0.1 |
5. Tensile Requirements
| Tensile Requirements | |||
| Grade | UNS Designation | Tensile Strength, min ksi (Mpa) | Yield Strength, min ksi(Mpa) |
| TP321 ≤ 3/8'' | S32100 | 75 (515) | 30 (205) |
| TP321 ＞3/8'' | 70 (485) | 25 (170) | |
6. 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. | |||
