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KS D3867 SCM435 vs SAE J404 4137

Close Alternative — 84.4% match based on chemical composition and mechanical property overlap.

KS D3867 SCM435 (KS D 3867:2025) and SAE J404 4137 (SAE J404:2000) are both steel grades. Both fall under the Alloy Steel category. KS D3867 SCM435 is typically used for shafts,bolts,studs,axles,gears,structural components,fasteners,machine parts, while SAE J404 4137 is commonly used for chemistry-only alloy steel grade; see the composition notes for product scope. KS D3867 SCM435 is defined under Korean Industrial Standards (KS), originating from South Korea, while SAE J404 4137 is defined under SAE International, originating from United States.

As per chemical composition, KS D3867 SCM435 vs SAE J404 4137 is a 84.4% 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 84.4%.

Frequently Compared With KS D3867 SCM435:
NF A35-565 100C6 GOST 4543 12HN3A UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 GB/T 3077 12Cr2Ni4A IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
84.4%
MECHANICAL MATCH
No shared data
OVERALL
84.4%
Specifications
Property KS D3867 SCM435 SAE J404 4137
Standard KS D 3867:2025 SAE J404:2000
Category Alloy Steel Alloy Steel
C (%) 0.33-0.38 0.35-0.40
Si (%) 0.15-0.35 0.15-0.35
Mn (%) 0.60-0.85 0.70-0.90
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.040
Cr (%) 0.90-1.20 0.80-1.10
Mo (%) 0.15-0.30 0.15-0.25
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property KS D3867 SCM435 SAE J404 4137
Tensile Strength 930-1080 MPa Not specified
Yield Strength 785 MPa min Not specified
Elongation 12-15 % Not specified
Hardness 269-321 HB Not specified
Typical Applications
KS D3867 SCM435
shafts,bolts,studs,axles,gears,structural components,fasteners,machine parts
SAE J404 4137
Chemistry-only alloy steel grade; see the composition notes for product scope
Can KS D3867 SCM435 Be Substituted With SAE J404 4137?
KS D3867 SCM435 and SAE J404 4137 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
KS D3867 SCM435
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5400–6000 mm (212.6–236.22 in)
SAE J404 4137
No active listings currently.
On M-EX Right Now
KS D3867 SCM435
2 active listings and RFQs →
SAE J404 4137
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between KS D3867 SCM435 and SAE J404 4137?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can KS D3867 SCM435 be substituted with SAE J404 4137?
KS D3867 SCM435 and SAE J404 4137 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.