G860002 (8640 Form3)

Alloy Steel

8640 Form3

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

Chemical Composition (%)

C0.38
CR0.4
MN0.7
MO0.15
NI0.4

Mechanical Properties

Yield:415MPa; Tensile:655MPa; Elong:25%; 197HB

Chinese Standard

AISI/SAE

Applications

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

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