4137 QT

Alloy Steel

AISI 4137 Quenched & Tempered

Quenched and tempered 4137 for high-strength applications.

Chemical Composition (%)

C0.35
CR0.8
MN0.7
MO0.15
SI0.15

Mechanical Properties

Yield:725MPa; Tensile:935MPa; Elong:22%; 58HRC

Chinese Standard

AISI/SAE

Applications

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

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