4718 H

Alloy Steel

AISI 4718 (H-series)

H-series 4718 optimized for hollow-section and tubular applications.

Chemical Composition (%)

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

Mechanical Properties

Yield:460MPa; Tensile:610MPa; Elong:16%; 185HB

Chinese Standard

AISI/SAE

Applications

Tubular products, hollow shafts

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