4118 H

Alloy Steel

AISI 4118 (H-series)

H-series 4118 optimized for hollow-section and tubular applications.

Chemical Composition (%)

C0.18
CR0.4
MN0.6
MO0.13
SI0.15

Mechanical Properties

Yield:415MPa; Tensile:560MPa; Elong:14%; 170HB

Chinese Standard

AISI/SAE

Applications

Tubular products, hollow shafts

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