Model:DIN1.7225
- DIN1.7225 Tool Steel
- Equivalent grades: 42CrMo4 , AISI 4140 / SAE4140
- Chemical composition (%)
Grade | C | Si | Mn | Cr | Mo | P | S |
1.7225 | 0.38-0.43 | 0.40max | 0.60-0.90 | 0.90-1.20 | 0.15-0.30 | 0.035max | 0.035max |
4. Available sizes: Round dia 16mm to 600mm, length: 2500-5000mm
5. Manufacture: EF/ESR, hot forged/ hot rolled
6. Surface condition: black / machined
7. Delivery condition: annealed/quenched and tempered
8. Hardness : annealed, 241HBS max / after Q+T, hardness requested by buyer
9. Hardness & Tempering Curve Graph:
10. Characteristics: special alloy steel, engineering steel supplied in quenched and tempered conditions. Very good machinability. High toughness. High creep strength. Repeated impact resistant capability.
11. Applications: components with high requirements on toughness, e.g. gear wheels, pinions, connecting rods, parts for mechanical engineering




