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JIS G4105 SCM430 vs SAE J404 4130

Strong Match — 85.4% match based on chemical composition and mechanical property overlap.

JIS G4105 SCM430 (JIS G4105:1979) and SAE J404 4130 (SAE J404:2009) are both steel grades. Both fall under the Alloy Steel category. JIS G4105 SCM430 is typically used for high tensile bolts, pressure vessels, aircraft parts, while SAE J404 4130 is commonly used for aircraft structures, pressure vessels, high tensile tubes. JIS G4105 SCM430 is defined under Japanese Industrial Standards (JIS), originating from Japan, while SAE J404 4130 is defined under SAE International, originating from United States.

As per chemical composition, JIS G4105 SCM430 vs SAE J404 4130 is a 85.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 85.4%.

Frequently Compared With JIS G4105 SCM430:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
85.4%
MECHANICAL MATCH
No shared data
OVERALL
85.4%
Specifications
Property JIS G4105 SCM430 SAE J404 4130
Standard JIS G4105:1979 SAE J404:2009
Category Alloy Steel Alloy Steel
C (%) 0.28–0.33 0.28-0.33
Si (%) 0.15–0.35 0.15-0.35
Mn (%) 0.60–0.90 0.40-0.60
Cr (%) 0.90–1.20 0.80-1.10
Mo (%) 0.15–0.30 0.15-0.25
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 JIS G4105 SCM430 SAE J404 4130
Tensile Strength ≥780 MPa Not specified
Yield Strength ≥635 MPa Not specified
Elongation ≥15% Not specified
Hardness 229–293 HB Not specified
Typical Applications
JIS G4105 SCM430
High tensile bolts, pressure vessels, aircraft parts
SAE J404 4130
Aircraft structures, pressure vessels, high tensile tubes
Key Differences
Can JIS G4105 SCM430 Be Substituted With SAE J404 4130?
JIS G4105 SCM430 and SAE J404 4130 overlap closely enough on chemistry and mechanical properties that SAE J404 4130 is often considered as a substitute for JIS G4105 SCM430 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
JIS G4105 SCM430
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5400–5500 mm (212.6–216.54 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
JIS G4105 SCM430
2 active listings and RFQs →
SAE J404 4130
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4105 SCM430 and SAE J404 4130?
SAE J404 4130 specifies P, S which are not specified for JIS G4105 SCM430.
Can JIS G4105 SCM430 be substituted with SAE J404 4130?
JIS G4105 SCM430 and SAE J404 4130 overlap closely enough on chemistry and mechanical properties that SAE J404 4130 is often considered as a substitute for JIS G4105 SCM430 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.