1.1274 | C100S Butt weld
| Numeric designation | 1.1274 |
|---|---|
| Chemical designation | C100S |
| State | Butt weld |
| Etching | 3 % Nital |
Unalloyed spring steel which has been butt welded. There is a decrease in hardness in the heat-affected zone (HAZ). The microstructure in the weldseam consists of untempered martensite. The hardness of the basic material is 590 HV0,3.
