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GOST 4543-2016 40HM Steel: Specifications & Listings

GOST 4543-2016 40HM: 40HM is a chromium-molybdenum alloy steel with high strength and wear resistance after heat treatment. It is suitable for dynamically loaded mechanical parts.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeGOST 4543-2016 40HM
Standard GOST 4543-2016
ApplicationsUsed for gears, shafts, spindles, bolts, and hydraulic components.
Most Active InCentral (Madhya Pradesh)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 1570 (Part 4) 42Cr4Mo2 IS 1570 (Part 4):1988 India No activity yet
BS 970 (Part 3) 708M40 BS 970 (Part 3):1991 UK No activity yet
BS 970 (Part 3) 709M40 BS 970 (Part 3):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
IS 1570 (Part 4) 42Cr4Mo2 IS 1570 (Part 4):1988 Strong Match
BS 970 (Part 3) 708M40 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 708M40 BS 970 (Part 1):1991 Strong Match
BS 970 (Part 3) 709M40 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 708M40 BS 970 (Part 1):1983 Strong Match
BS 970 (Part 1) 709M40 BS 970 (Part 1):1991 Close Alternative
IS 1570 (Part 4) 30Cr4Mo2 IS 1570 (Part 4):1988 Close Alternative
BS 970 (Part 1) 709M40 BS 970 (Part 1):1983 Close Alternative
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Cr Mo Mn Si
0.36-0.44 0.9-1.2 0.15-0.3 0.5-0.8 0.17-0.37
Mechanical Properties
Tensile Strength 980-1180 MPa
Yield Strength 835 MPa min
Elongation 10% min
Hardness 285-341 HB

Popular forms for this grade:

Round Bar (2)

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GOST 4543-2016 40HM Round Bar
4.300 MT
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GOST 4543-2016 40HM Round Bar
3.700 MT
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