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GOST 4543-2016 12HN3A Steel: Specifications & Listings

GOST 4543-2016 12HN3A: 12HN3A is a carburizing alloy steel with nickel and chromium additions for high core toughness. It provides excellent fatigue resistance after case hardening.

Forms: Round Bar Category: Alloy Steel
Grade Details
GradeGOST 4543-2016 12HN3A
Standard GOST 4543-2016
ApplicationsUsed for gears, pinions, crankshafts, aircraft parts, and transmission components.
Most Active InWest (Gujarat)
Supply & Demand by FormSee Full Supply & Demand →
Round Bar →
Low Activity
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 3) 655M13 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 1) 655H13 BS 970 (Part 1):1991 Close Alternative
BS 970 (Part 1) 655M13 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 655H13 BS 970 (Part 1):1983 Close Alternative
GB/T 3077 12CrNi3 GB/T 3077:2015 Close Alternative
GB/T 3077 15CrNi6 GB/T 3077-2015 Related Material
IS 1570 (Part 4) 15Cr6Ni6 IS 1570 (Part 4):1988 Related Material
BS 970 (Part 1) 635H15 BS 970 (Part 1):1991 Related Material
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 Mn Si
0.09-0.16 0.6-0.9 2.75-3.15 0.3-0.6 0.17-0.37
Mechanical Properties
Tensile Strength 850-1050 MPa
Yield Strength 685 MPa min
Elongation 11% min
Hardness 58-62 HRC (case)

Popular forms for this grade:

Round Bar (2)

Active GOST 4543-2016 12HN3A Listings on M-EX (For Sale)

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GOST 4543-2016 12HN3A Round Bar
1.300 MT
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GOST 4543-2016 12HN3A Round Bar
1.100 MT
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