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GOST 4543 20HM Steel — Specifications & Listings

GOST 454320HM is a chromium-molybdenum alloy steel intended for carburized engineering components. It offers good hardenability and wear resistance.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeGOST 4543 20HM
StandardGOST 4543
Description20HM is a chromium-molybdenum alloy steel intended for carburized engineering components. It offers good hardenability and wear resistance.
ApplicationsUsed for gears, camshafts, sleeves, axles, and machine transmission parts.
Chemical Composition (%)
C Cr Mo Mn Si
0.17-0.24 0.9-1.2 0.15-0.25 0.5-0.8 0.17-0.37
Mechanical Properties
tensile_strength 780-980 MPa
yield_strength 590 MPa min
elongation 12% min
hardness 56-60 HRC (case)

Active GOST 4543 20HM Listings on M-EX

GOST 4543 20HM Round Bar
1.700 MT
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GOST 4543 20HM Round Bar
1.400 MT
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