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GOST 4543 30HN3A Steel — Specifications & Listings

GOST 454330HN3A is a medium carbon nickel-chromium alloy steel with high toughness and strength. It is suitable for heavily stressed structural components.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeGOST 4543 30HN3A
StandardGOST 4543
Description30HN3A is a medium carbon nickel-chromium alloy steel with high toughness and strength. It is suitable for heavily stressed structural components.
ApplicationsUsed 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
tensile_strength 980-1180 MPa
yield_strength 835 MPa min
elongation 10% min
hardness 285-352 HB

Active GOST 4543 30HN3A Listings on M-EX

GOST 4543 30HN3A Round Bar
1.900 MT
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GOST 4543 30HN3A Round Bar
1.800 MT
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