4718 QT

Alloy Steel

AISI 4718 Quenched & Tempered

Quenched and tempered 4718 for high-strength applications.

Chemical Composition (%)

C0.16
CR0.9
MN0.45
MO0.3
NI0.9
SI0.15

Mechanical Properties

Yield:580MPa; Tensile:790MPa; Elong:20%; 58HRC

Chinese Standard

AISI/SAE

Applications

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

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