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

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

GOST 4543 20HNM (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 20HNM 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 20HNM:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
57.7%
MECHANICAL MATCH
No shared data
OVERALL
57.7%
Specifications
Property GOST 4543 20HNM 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 (%) 0.4-0.7 <=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 20HNM IS 1570 (Part 4) 10Cr20Mo6
Tensile Strength 850-1000 MPa Not specified
Yield Strength 685 MPa min Not specified
Elongation 12% min Not specified
Hardness 56-60 HRC (case) Not specified
Typical Applications
GOST 4543 20HNM
Used for gears, splined shafts, bushings, axles, and machine drive components.
IS 1570 (Part 4) 10Cr20Mo6
Not documented
Key Differences
Can GOST 4543 20HNM Be Substituted With IS 1570 (Part 4) 10Cr20Mo6?
GOST 4543 20HNM 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 20HNM
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5100–7000 mm (200.79–275.59 in)
IS 1570 (Part 4) 10Cr20Mo6
No active listings currently.
On M-EX Right Now
GOST 4543 20HNM
2 active listings and RFQs →
IS 1570 (Part 4) 10Cr20Mo6
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Frequently Asked Questions
What is the difference between GOST 4543 20HNM and IS 1570 (Part 4) 10Cr20Mo6?
IS 1570 (Part 4) 10Cr20Mo6 specifies Si which is not specified for GOST 4543 20HNM.
Can GOST 4543 20HNM be substituted with IS 1570 (Part 4) 10Cr20Mo6?
GOST 4543 20HNM 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.