ASTM A312 TP321 Stainless Steel Seamless Pipes Specification
This specification2 covers seamless, straight-seam welded, and heavily cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.
| ASTM A312 TP321 Stainless Steel Seamless Pipes | ||||
| Sr. No. | Material | Size | Sch. | Specification |
| 1 | Seamless Pipe | 15 NB To 300 NB | Sch. 5s Sch. 10s Sch. 40s Sch. 80s Sch. 160s Sch. XXS | ASTM A 312 |
| 2 | Welded (ERW) Pipe | 15 NB To 300 NB | Sch. 5s Sch. 10 Sch. 40s & Sch. 80s | ASTM A 312 |
| 3 | Welded (ERW) Pipe | 150 NB To 600 NB | Sch. 5s Sch. 10s Sch. 40s & Sch. 80s | ASTM A 358 |
ASTM A312 TP321 Stainless Steel Seamless Pipes
| Grade | TP 304 | TP 316H | TP 310 | TP 410 |
| TP 304H | TP 316L | TP 317L | TP 420 | |
| TP 304L | TP 316LN | TP 321 | TP 430 | |
| TP 304LN | TP TP 316Ti | TP 347 | TP 446 | |
| TP 316 | TP 309 | TP 409 | TP 202 Etc. | |
| Special Pipes | Fabricated Pipe (with radiography) | |||
| In Form of | Round ASTM A312 TP321 Stainless Steel Seamless Pipes | Oval ASTM A312 TP321 Stainless Steel Seamless Pipes | Shaft | |
Square ASTM A312 TP321 Stainless Steel Seamless Pipes | Coil | ‘U’ Shape | ||
Rectangle ASTM A312 TP321 Stainless Steel Seamless Pipes | Flexible Pipe | Hydraulic pipe etc. | ||
| In Length of | Standard & Cut length | |||
| Value Added Service | Draw & Expansion as per required Size & Length | |||
| Polish (Electro & Commercial) Heat Treatment | ||||
| Bending | ||||
| Annealed & Pickled | ||||
| Sand Blasting | ||||
| Machining Etc. | ||||
| Test Certificate | Manufacturer Test Certificate | |||
| Laboratory Test Certificate from Govt. Approved Lab. | ||||
| Under Third Party Inspection | ||||
| Specialize | Fabricated Pipe | |||
| Square & Rectangle & | ||||
| Other Odd Size | ||||