Descrizione del prodotto
Composizione chimica del tubo dell'acciaio inossidabile:
| Grado | C % | Si % | Manganese % | P % | S % | Cr % | Mo % | Ni % | Altro |
| 201 | ≤0.15 | ≤1.00 | 5.5-7.5 | ≤0.06 | ≤0.03 | 16-18 | - | 3.5-5.5 | N≤0.25 |
| 202 | ≤0.15 | ≤1.00 | 7.5-10.0 | ≤0.06 | ≤0.03 | 17-19 | - | 4.0-6.0 | N≤0.25 |
| 301 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 16-18 | - | 6.0-8.0 | - |
| 302 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 17-19 | - | 8-10.0 | - |
| 303 | ≤0.15 | ≤1.00 | ≤2.00 | ≤0.2 | ≥0.015 | 17-19 | ≤0.6 | 8.0-10.0 | - |
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18-20 | - | 8-10.5 | - |
| 304L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18-20 | - | 9-13 | - |
| 309S | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 22-24 | - | 12-15 | - |
| 310S | ≤0.08 | ≤1.5 | ≤2.00 | ≤0.045 | ≤0.03 | 24-26 | - | 19-22 | - |
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 16-18 | 2-3 | 10-14 | - |
| 316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 16-18 | 2-3 | 12-15 | - |
| 317 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 18-20 | 3-4 | 11-15 | - |
| 321 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 17-19 | - | 9-13 | Ti≥5×C |
| 430 | ≤0.12 | ≤0.75 | ≤1.00 | ≤0.04 | ≤0.03 | 16-18 | - | ≤0.6 |
