Grades
16MnCr5
Case hardening steel · EN 1.7131
Hardens at the surface while the core stays tough. The grade for gears, sprockets and bushings.
If case hardening is not planned, C45 is the better fit.
Chemical composition
| Element | % |
|---|---|
| C | 0,14 – 0,19 |
| Si | max 0,40 |
| Mn | 1,00 – 1,30 |
| Cr | 0,80 – 1,10 |
| P | max 0,025 |
Mechanical properties
| Property | Value |
|---|---|
| Rp0,2 (MPa) | min 590 |
| Rm (MPa) | 780 – 1080 |
| A (%) | min 10 |
| HB | — |
| Density (g/cm³) | 7,85 |
| Magnetic | Yes |
Values are published EN 10088 ranges. The real figure for an order is on that heat certificate.