9255 QT

Alloy Steel

AISI 9255 Quenched & Tempered

Quenched and tempered 9255 for high-strength applications.

Chemical Composition (%)

C0.51
CR0.1
MN0.6
SI1.8

Mechanical Properties

Yield:120MPa; Tensile:180MPa; Elong:4%; 52HRC

Chinese Standard

AISI/SAE

Applications

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

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