| Mn | Si | C | AWS/ASME SFA5.17 | DIN EN 756 | کد شناسایی آما |
|---|---|---|---|---|---|
| 0/5 | 0/15> | 0/1 | – | S1 | 50-11 |
| 1 | 0/15> | 0/1 | – | S2 | 50-12 |
| 1 | 0/2 | 0/1 | – | S2Si | 50-13 |
| 1/5 | 0/15 | 0/1 | – | S3 | 50-15 |
| 1/35 | 0/25 | 0/1 | – | S3Si | 50-16 |
| 1/8< | 0/15> | 0/13 | – | S4 | 50-18 |
| 0/5 | 0/1> | 0/1 | EL12 | – | 50-51 |
| 1 | 0/1> | 0/1 | EM12 | – | 50-52 |
| 1 | 0/18 | 0/11 | EM12K | – | 50-53 |
| 1/3 | 0/27 | 0/12 | EM13K | – | 50-56 |
| 1/75 | 0/35 | 0/12 | EH12K | – | 50-57 |
| 1/85 | 0/1> | 0/12 | EH14 | – | 50-61 |
