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GOST 4543 20HNM vs IS 1570 (Part 7) 10Cr36Mo10H

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

GOST 4543 20HNM (GOST 4543-2016) and IS 1570 (Part 7) 10Cr36Mo10H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. GOST 4543 20HNM is typically used for used for gears, splined shafts, bushings, axles, and machine drive components., while IS 1570 (Part 7) 10Cr36Mo10H is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. IS 1570 (Part 7) 10Cr36Mo10H is defined under Bureau of Indian Standards (IS) (India).

As per chemical composition, GOST 4543 20HNM vs IS 1570 (Part 7) 10Cr36Mo10H is a 53.7% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

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) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 105Cr5 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
53.7%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GOST 4543 20HNM IS 1570 (Part 7) 10Cr36Mo10H
Standard GOST 4543-2016 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.17-0.24 <=0.15
Cr (%) 0.4-0.7 8.00-10.00
Ni (%) 0.4-0.7 Not specified
Mo (%) 0.15-0.25 0.90-1.10
Mn (%) 0.5-0.8 0.30-0.60
Si (%) Not specified 0.25-1.0
P (%) Not specified <=0.040
S (%) Not specified <=0.030
Al (metallic) (%) Not specified <=0.02
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 7) 10Cr36Mo10H
Tensile Strength 850-1000 MPa 410-560 MPa
Yield Strength 685 MPa min >=135 MPa (0.2 % proof stress)
Elongation 12% min >=20%
Hardness 56-60 HRC (case) Not specified
Condition Not specified Pipes, A, thickness - (first row of Table 3)
Typical Applications
GOST 4543 20HNM
Used for gears, splined shafts, bushings, axles, and machine drive components.
IS 1570 (Part 7) 10Cr36Mo10H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can GOST 4543 20HNM Be Substituted With IS 1570 (Part 7) 10Cr36Mo10H?
GOST 4543 20HNM and IS 1570 (Part 7) 10Cr36Mo10H 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 7) 10Cr36Mo10H
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On M-EX Right Now
GOST 4543 20HNM
2 active listings and RFQs →
IS 1570 (Part 7) 10Cr36Mo10H
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Frequently Asked Questions
What is the difference between GOST 4543 20HNM and IS 1570 (Part 7) 10Cr36Mo10H?
GOST 4543 20HNM specifies Ni which is not specified for IS 1570 (Part 7) 10Cr36Mo10H. IS 1570 (Part 7) 10Cr36Mo10H specifies Si, P, S, Al (metallic) which are not specified for GOST 4543 20HNM.
Can GOST 4543 20HNM be substituted with IS 1570 (Part 7) 10Cr36Mo10H?
GOST 4543 20HNM and IS 1570 (Part 7) 10Cr36Mo10H 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.