5120 (20MnCr5)
It is a case-hardening steel containing chromium as an alloy element. It is frequently used in machine parts, especially in gear components. It is used in applications where a ductile core and hard surface are desired against wear through the case-hardening process. It is supplied in a soft annealed condition.
| C | Si | Mn | P Max | S | Cr | Mo | Ni |
|---|---|---|---|---|---|---|---|
| 0,17 - 0,22 | 0,04 | 0,60 - 0,90 | 0,035 | 0,035 | 1,00 - 1,30 | - | - |
STANDARD EQUIVALENTS OF THE MATERIAL
| DIN | AISI/SAE | EN |
|---|---|---|
| 1.7131 | 5120 | 20MnCr5 |
APPLICATION AREAS
- Machine components
- Transmission parts
- Gear wheel, bevel gear
- Shaft, pin, bushing, and similar parts
