GB40020 (20CrNiMo Form5)

Alloy Steel

20CrNiMo Form5

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

Chemical Composition (%)

C0.17
CR0.4
MN0.6
MO0.2
NI0.35

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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