ASTM A312 Seamless and Welded Austenitic Stainless Steel Pipes
Applications: sanitary tubing in the dairy and food industry, and having special surface finishes
Size range: O.D.: 4.0-305mm W.T.:1-50mm L: according to customer requirement
Chemical Requirement:
| Grade: | … | TPXM-19 | TPXM-10 | TPXM-11 | TPXM-29 | TP304 | TP304L | TP304H |
| UNS | S20400 | S20910 | S20900 | S21904 | S24000 | S30400 | S30403 | S30409 |
| C, max | 0.03 | 0.060 | 0.080 | 0.04 | 0.08 | 0.08 | 0.035 | 0.040-0.10 |
| Mn, max | 7.0-9.0 | 4.0-6.0 | 8.0-10.0 | 8.0-10.0 | 11.5-14.5 | 2.00 | 2.00 | 2.00 |
| P, max | 0.045 | 0.045 | 0.045 | 0.045 | 0.060 | 0.045 | 0.045 | 0.045 |
| S, max | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 | 0.030 |
| Si, max | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
| Cr | 15.0-17.0 | 20.5-23.5 | 19.0-21.5 | 19.0-21.5 | 17.0-19.0 | 18.0-20.0 | 18.0-20.0 | 18.0-20.0 |
| Ni | 1.50-3.00 | 11.5-13.5 | 5.5-7.5 | 5.5-7.5 | 2.3-3.7 | 8.0-11.0 | 8.0-13.0 | 8.0-11.0 |
| Mo | … | 1.50-3.00 | … | … | … | … | … | … |
| Ti | … | … | … | … | … | … | … | … |
| Columbium | … | 0.10-0.30 | … | … | … | … | … | … |
| Tantalum | … | … | … | … | … | … | … | … |
| Nitrogen | 0.15-0.30 | 0.20-0.40 | 0.15-0.40 | 0.15-0.40 | 0.20-0.40 | … | … | … |
| Vanadium | … | 0.10-0.30 | … | … | … | … | … | … |
