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GOST 4543 20HN2M vs IS 1570 (Part 4) 10Cr20Mo6

Related Material — 57.7% match based on chemical composition and mechanical property overlap.

GOST 4543 20HN2M (GOST 4543-2016) and IS 1570 (Part 4) 10Cr20Mo6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 10Cr20Mo6 is defined under Bureau of Indian Standards (IS) (India).

As per chemical composition, GOST 4543 20HN2M vs IS 1570 (Part 4) 10Cr20Mo6 is a 57.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 57.7%.

Frequently Compared With GOST 4543 20HN2M:
NF A35-565 100C6 GOST 4543 12HN3A UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
57.7%
MECHANICAL MATCH
No shared data
OVERALL
57.7%
Specifications
Property GOST 4543 20HN2M IS 1570 (Part 4) 10Cr20Mo6
Standard GOST 4543-2016 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.17-0.24 <=0.15
Cr (%) 0.4-0.7 4.0-6.0
Ni (%) 1.4-1.8 <=0.30
Mo (%) 0.15-0.25 0.45-0.65
Mn (%) 0.5-0.8 0.40-0.70
Si (%) Not specified <=0.50
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GOST 4543 20HN2M IS 1570 (Part 4) 10Cr20Mo6
Tensile Strength 880-1080 MPa Not specified
Yield Strength 735 MPa min Not specified
Elongation 11% min Not specified
Hardness 58-62 HRC (case) Not specified
Typical Applications
GOST 4543 20HN2M
Used for gears, pinions, shafts, rollers, and automotive transmission parts.
IS 1570 (Part 4) 10Cr20Mo6
Not documented
Key Differences
Can GOST 4543 20HN2M Be Substituted With IS 1570 (Part 4) 10Cr20Mo6?
GOST 4543 20HN2M and IS 1570 (Part 4) 10Cr20Mo6 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
Forms & Sizes Available on M-EX
GOST 4543 20HN2M
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5600–6000 mm (220.47–236.22 in)
IS 1570 (Part 4) 10Cr20Mo6
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On M-EX Right Now
GOST 4543 20HN2M
2 active listings and RFQs →
IS 1570 (Part 4) 10Cr20Mo6
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Frequently Asked Questions
What is the difference between GOST 4543 20HN2M and IS 1570 (Part 4) 10Cr20Mo6?
IS 1570 (Part 4) 10Cr20Mo6 specifies Si which is not specified for GOST 4543 20HN2M.
Can GOST 4543 20HN2M be substituted with IS 1570 (Part 4) 10Cr20Mo6?
GOST 4543 20HN2M and IS 1570 (Part 4) 10Cr20Mo6 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.