25CrMo4 Steel
Standards
| Mat. No. | DIN | EN | AISI/SAE |
| 1.7325 | 25CrMo4 | – | 8625 |
Typical Chemical Composition (in weight %)
| C | Si | Mn | Cr | Mo | Ni | V | W | Others |
| 0.26 | 0.32 | 0.72 | 0.52 | 0.51 | – | – | – | – |
Description
Steel intended for direct hardening.
Applications
Gear components of all kind, link components, axles, bolts, bushes, coupling boxes for direct hardening.
Physical properties (average values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210 Density [g/cm3]: 7.85
Soft Annealing
Heat to 650-700℃, cool slowly. Intermediate annealing: 650-680℃.
Carburizing
Temperature: 900-950℃, water, oil or hot quenching 160-250℃.
Core Hardening
Temperature: 890-920℃.
Surface Hardening
Harden from a temperature of 780-820℃ followed by water or oil quenching.
Tempering
Tempering temperature: 150-210℃.
Disclaimer: the information and data presented herein are typical values for reference and are not intended as warranties to readers
