X20CrMo13, 1.4120 - martensitic stainless steel according to DIN 17442, SEW 400.
| Standard | Steel Grade | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chemical Composition % | |||||||||
| C: | Mn: | Si: | P: | S: | Cr: | Mo: | Ni: | Cu: | |
| DIN | X20CrMo13 - 1.4120 | ||||||||
| 0.17 - 0.22 | <1.0 | <1.0 | <0.045 | <0.030 | 12.0 - 14.0 | 0.9 - 1.3 | <1.0 | - | |
| SEW | X 20 CrMo 13 - 1.4120 | ||||||||
| 0.17 - 0.22 | <1.0 | <1.0 | <0.040 | <0.015 | 12.0 - 14.0 | 0.9 - 1.3 | <1.0 | - | |
| DIN | X19CrMo12-1 - 1.4921 | ||||||||
| 0.15 - 0.23 | 0.3 - 0.8 | 0.1 - 0.5 | <0.045 | <0.030 | 11.0 - 12.5 | 0.8 - 1.2 | <0.8 | - | |
| NF | Z20CD14 | ||||||||
| 0.17 - 0.22 | <1.0 | <1.0 | <0.040 | <0.030 | 12.0 - 14.0 | 0.7 - 1.1 | <1.0 | - | |
| STAS | 20MoCr130 | ||||||||
| 0.17 - 0.22 | <1.0 | <1.0 | <0.045 | <0.030 | 12.0 - 14.0 | 0.9 - 1.3 | <1.0 | <0.3 | |
X20CrMo13, 1.4120 - specifications
Martensitic stainless steel similar to X20Cr13 / 1.4021 grade with addition of molybdenum used for production of knives for woodworking, parts of turbines, and components working up to the temperature of about 500℃. Replacement of steel in heat-resistant version is X19CrMo12-1, 1.4921.
Mechanical properties of 1.4120, X20CrMo13
- Rm: 750 - 900 N/mm2
- Yield strength, Rp0,2: >550 N/mm2
- A: >14%
- Hardness: 220 - 280 HB
Heat treatment:
- Annealing at 750 - 850℃ with furnace
- Hardening at 950 - 1000℃ in oil
- Tempering at 650 - 750℃ with cooling in air