GOST 4543-2016 20HNM Steel: Specifications & Listings

GOST 4543-2016 20HNM: 20HNM 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 4543-2016 20HNM
Standard GOST 4543-2016
ApplicationsUsed for gears, splined shafts, bushings, axles, and machine drive components.
Most Active InWest (Maharashtra, Gujarat)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
BS 970 (Part 1) 805H20 BS 970 (Part 1):1991 UK No activity yet
BS 970 (Part 1) 805M20 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 805H22 BS 970 (Part 1):1991 UK No activity yet
BS 970 (Part 1) 805A20 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 805M22 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 805A22 BS 970 (Part 1):1983 UK No activity yet
BS 970 (Part 1) 805H17 BS 970 (Part 1):1991 UK No activity yet
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 1) 805H20 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 1) 805M20 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 805H20 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 805H22 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 1) 805A20 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 805M22 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 805H22 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 805A22 BS 970 (Part 1):1983 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
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)

Popular forms for this grade:

Round Bar (2)

Active GOST 4543-2016 20HNM Listings on M-EX (For Sale)

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GOST 4543-2016 20HNM Round Bar
2.100 MT
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GOST 4543-2016 20HNM Round Bar
1.700 MT
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