4320 H

Alloy Steel

AISI 4320 (H-series)

H-series 4320 optimized for hollow-section and tubular applications.

Chemical Composition (%)

C0.17
CR0.4
MN0.45
MO0.2
NI1.65
SI0.15

Mechanical Properties

Yield:450MPa; Tensile:620MPa; Elong:18%; 190HB

Chinese Standard

AISI/SAE

Applications

Tubular products, hollow shafts

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