ASTM A312 Stainless Steel Welded Tubes / Pipes TP321H Chemical Fertilizer Applied
ASTM A312 TP321H stainless steel seamless pipes & tubes advantages:
High strength
Resistant to high mechanical stress
Resistant to high pressure
Resistant to high temperature
Good formability
Reusable
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 |
| TP321H | S32109 | 0.04-0.10 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | … | N: 0.1 |
| Ti: 4(C+N) min; | ||||||||||
| 0.70 max | ||||||||||
5. Tensile Requirements
| Tensile Requirements | |||
| Grade | UNS Designation | Tensile Strength, min ksi (Mpa) | Yield Strength, min ksi(Mpa) |
| TP321H ≤ 3/8'' | S32109 | 75 (515) | 30 (205) |
| TP321H >3/8'' | 70 (480) | 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. | |||
