40CrMn QT

Alloy Steel

40CrMn Quenched & Tempered

Quenched and tempered 40CrMn for high-strength applications.

Chemical Composition (%)

C0.37
CR0.9
MN0.9
SI0.17

Mechanical Properties

Yield:795MPa; Tensile:1035MPa; Elong:14%; 58HRC

Chinese Standard

GB/T 3077

Applications

Shafts, gears, axles, bolts, connecting rods, crankshafts, forgings

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