Material No. 1.7225
42CrMo4
High hardness and strength hardened steel, can be induction hardened
Possible applications:
Mechanical constructions, mechanical parts, shafts, connecting rods, crankshafts, drive shafts, sprockets, base plates
Präzi dish supply status:
In bars of 500 and 1000 mm length with machining allowance, in plates of square section and shape, maximum hardness max. 241 HB
(max. 820 N/mm2)
Chemical Composition:
C Si Mn P S Cr Mo
0,45 0,4 0,9 0,025 0,035 1,2 0,3
Chemical Composition:
| C | Yes | Mn | P | S | Cr | Mo |
| 0,45 | 0,4 | 0,9 | 0,025 | 0,035 | 1,2 | 0,3 |
Heat treatment:
Re-firing: 1544 – 1616 °F
Softening anneal: 680 – 720 °C
Hardening by quenching: 820 – 880 °C
Rapid cooling: Oil or water
Discovery: 540 – 680 °C