GOST 4543 30HN3A Steel — Specifications & Listings

GOST 4543

30HN3A is a medium carbon nickel-chromium alloy steel with high toughness and strength. It is suitable for heavily stressed structural components.

Category: Alloy Steel

Grade Details

Grade	GOST 4543 30HN3A
Standard	GOST 4543
Description	30HN3A is a medium carbon nickel-chromium alloy steel with high toughness and strength. It is suitable for heavily stressed structural components.
Applications	Used for aircraft fittings, shafts, gears, spindles, and heavy machinery parts.

Chemical Composition (%)

C	Cr	Ni	Mn	Si
0.27-0.34	0.6-0.9	2.75-3.15	0.3-0.6	0.17-0.37

Mechanical Properties

Active GOST 4543 30HN3A Listings on M-EX

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