GB40050 (42CrMo Form3)

Alloy Steel

42CrMo Form3

Versatile low-alloy structural and engineering steel for demanding mechanical applications.

Chemical Composition (%)

C0.38
CR0.9
MN0.5
MO0.15

Mechanical Properties

Yield:525MPa; Tensile:825MPa; Elong:29%; 58HRC

Chinese Standard

GB/T 3077

Applications

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

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