Nkọwa ngwaahịa
Mkpado ngwaahịa
| Ọkwa | Ọkwa | Akụkụ kemịkalụ% |
| C | Cr | Ni | Mn | P | S | Mo | Si | Cu | N | Ndị ọzọ |
| 409 | S40900 | ≤0.03 | 10.50-11.70 | 0.5 | ≤1.00 | ≤0.040 | ≤0.020 | - | ≤1.00 | - | ≤0.030 | Ti6(C+N)~0.50 Nb:0.17 |
| 430 | 1 cr17 | ≤0.12 | 16.00-18.00 | - | ≤1.0 | ≤0.040 | ≤0.030 | - | ≤1.0 | - | - | - |
| 444 | S44400 | ≤0.025 | 17.50-19.50 | 1 | ≤1.00 | ≤0.040 | ≤0.030 | 1.75-2.5 | ≤1.00 | - | 0,035 | Ti+Nb:0.2+4(C+N)~0.80 |
| 446 | S44600 | ≤0.20 | 23.00-27.00 | 0.75 | ≤1.5 | ≤0.040 | ≤0.030 | 1.50-2.50 | ≤1.00 | - | ≤0.25 | - |
| 410 | 1 cr13 | 0.08-0.15 | 11.50-13.50 | 0.75 | ≤1.00 | ≤0.040 | ≤0.030 | - | ≤1.00 | - | - | - |
| 420 | 2Cr13 | ≥0.15 | 12.00-14.00 | - | ≤1.00 | ≤0.040 | ≤0.030 | - | ≤1.00 | - | - | - |
| 420J2 | 3Cr13 | 0.26-0.35 | 12.00-14.00 | - | ≤1.00 | ≤0.040 | ≤0.030 | - | ≤1.00 | - | - | - |
Nke gara aga: 444/441/409/439/420 Igwe anaghị agba nchara Osote: 430 igwe anaghị agba nchara
