GOST 4543 20HNM Steel — Specifications & Listings

GOST 454320HNM is an alloy carburizing steel with chromium, nickel, and molybdenum additions. It exhibits good core toughness and surface wear resistance after treatment.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeGOST 4543 20HNM
StandardGOST 4543
Description20HNM is an alloy carburizing steel with chromium, nickel, and molybdenum additions. It exhibits good core toughness and surface wear resistance after treatment.
ApplicationsUsed for gears, splined shafts, bushings, axles, and machine drive components.
Chemical Composition (%)
C Cr Ni Mo Mn
0.17-0.24 0.4-0.7 0.4-0.7 0.15-0.25 0.5-0.8
Mechanical Properties
tensile_strength 850-1000 MPa
yield_strength 685 MPa min
elongation 12% min
hardness 56-60 HRC (case)

Active GOST 4543 20HNM Listings on M-EX

GOST 4543 20HNM Round Bar
2.000 MT
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GOST 4543 20HNM Round Bar
2.300 MT
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