40Cr QT

Alloy Steel

40Cr Quenched & Tempered

Quenched and tempered 40Cr for high-strength applications.

Chemical Composition (%)

C0.37
CR0.8
MN0.5
SI0.17

Mechanical Properties

Yield:885MPa; Tensile:1130MPa; Elong:13%; 58HRC

Chinese Standard

GB/T 3077

Applications

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

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