8740 Annealed ForgingHeavy

Alloy Steel

AISI 8740 (Annealed)

AISI 8740 Annealed ForgingHeavy for engineering applications.

Chemical Composition (%)

C0.38
CR0.4
MN0.7
MO0.2
NI0.4
SI0.15

Mechanical Properties

Yield:475MPa; Tensile:615MPa; Elong:21%; 182HB

Chinese Standard

AISI/SAE

Applications

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

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