1.7121 (20CrMnS3-3)
Classification
| Country | Section | Category |
|---|---|---|
| Germany | Structural, Pressure Vessel and Engineering Steels | Cr-Si, Cr-Mn, Cr-Mn-B, Cr-Si-Mn |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|
| 97.36–98.43 | 0.2–0.35 | 0.6–1 | 0.6–1 | < 0.04 | 0.17–0.23 | < 0.02 |
Information on suppliers
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |