8640 Normalized RodMedium

Alloy Steel

AISI 8640 (Normalized)

AISI 8640 Normalized RodMedium for engineering applications.

Chemical Composition (%)

C0.38
CR0.4
MN0.7
MO0.15
NI0.4
SI0.15

Mechanical Properties

Yield:550MPa; Tensile:720MPa; Elong:14%; 55HRC

Chinese Standard

AISI/SAE

Applications

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

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