1.7225 with allowance – 1030mm

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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
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