Description
Material AISI 4140
Steel with high strength and toughness in tempered condition, can be induction hardened
Range of application:
Machine construction, machine parts, axes, connecting rods, crankshafts, gear shafts, pinions, base plates
PRÄZI – flat steel supplied
Length 500 and 1000 mm with machining allowance, in plate form with square cross section dimensions annealed max. 241 HB (max. 820 N/mm2)
Composizione Chimica:
| C | Si | Mn | P | S | Cr | Mo |
| 0,45 | 0,4 | 0,9 | 0,025 | 0,035 | 1,2 | 0,3 |
Heat treatment data:
Annealing: 840 – 880 °C
Soft annealing: 680 – 720 °C
Hardening: 820 – 880 °C
Quenching: Oil or water
Tempering: 540 – 680 °C
