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GOST 4543 20HM vs SAE J404 4130

Close Alternative — 80.1% match based on chemical composition and mechanical property overlap.

GOST 4543 20HM (GOST 4543-2016) and SAE J404 4130 (SAE J404:2009) are both steel grades. Both fall under the Alloy Steel category. GOST 4543 20HM is typically used for used for gears, camshafts, sleeves, axles, and machine transmission parts., while SAE J404 4130 is commonly used for aircraft structures, pressure vessels, high tensile tubes. SAE J404 4130 is defined under SAE International (United States).

As per chemical composition, GOST 4543 20HM vs SAE J404 4130 is a 80.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 80.1%.

Frequently Compared With GOST 4543 20HM:
NF A35-565 100C6 GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 GOST 4543 12HN3A IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr4 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
80.1%
MECHANICAL MATCH
No shared data
OVERALL
80.1%
Specifications
Property GOST 4543 20HM SAE J404 4130
Standard GOST 4543-2016 SAE J404:2009
Category Alloy Steel Alloy Steel
C (%) 0.17-0.24 0.28-0.33
Cr (%) 0.9-1.2 0.80-1.10
Mo (%) 0.15-0.25 0.15-0.25
Mn (%) 0.5-0.8 0.40-0.60
Si (%) 0.17-0.37 0.15-0.35
P (%) Not specified <=0.030
S (%) Not specified <=0.040
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 20HM SAE J404 4130
Tensile Strength 780-980 MPa Not specified
Yield Strength 590 MPa min Not specified
Elongation 12% min Not specified
Hardness 56-60 HRC (case) Not specified
Typical Applications
GOST 4543 20HM
Used for gears, camshafts, sleeves, axles, and machine transmission parts.
SAE J404 4130
Aircraft structures, pressure vessels, high tensile tubes
Key Differences
Can GOST 4543 20HM Be Substituted With SAE J404 4130?
GOST 4543 20HM and SAE J404 4130 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
GOST 4543 20HM
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6000–6900 mm (236.22–271.65 in)
SAE J404 4130
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–6400 mm (224.41–251.97 in)
On M-EX Right Now
GOST 4543 20HM
2 active listings and RFQs →
SAE J404 4130
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 4543 20HM and SAE J404 4130?
SAE J404 4130 specifies P, S which are not specified for GOST 4543 20HM.
Can GOST 4543 20HM be substituted with SAE J404 4130?
GOST 4543 20HM and SAE J404 4130 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.