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KS D3867 SCM415 vs IS 1570 (Part 4) 103Cr4

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

KS D3867 SCM415 (KS D 3867:2025) and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. KS D3867 SCM415 is defined under Korean Industrial Standards (KS), originating from South Korea, while IS 1570 (Part 4) 103Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, KS D3867 SCM415 vs IS 1570 (Part 4) 103Cr4 is a 66.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With KS D3867 SCM415:
UNI 11234 100Cr6 NF A35-565 100C6 IS 1570 (Part 7) 12Cr4Mo5H GOST 4543 12HN3A IS 11169 (Part 1) 12Cr4Mo2 GB/T 3077 12Cr2Ni4A IS 1570 (Part 7) 12Cr9Mo10H IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 07Cr4Mo6 IS 4367 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
66.3%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property KS D3867 SCM415 IS 1570 (Part 4) 103Cr4
Standard KS D 3867:2025 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.17-0.23 0.95-1.10
Mn (%) 0.6-1.2 0.25-0.45
Si (%) 0.1-0.35 0.10-0.35
P (%) max 0.03 Not specified
S (%) max 0.03 Not specified
Cr (%) 0.15-0.35 0.90-1.20
Mo (%) 0.15-0.3 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
KS D3867 SCM415
Gears, shafts, camshafts, piston pins, precision machine components requiring hard surface and tough core.
IS 1570 (Part 4) 103Cr4
Not documented
Key Differences
Can KS D3867 SCM415 Be Substituted With IS 1570 (Part 4) 103Cr4?
KS D3867 SCM415 and IS 1570 (Part 4) 103Cr4 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
KS D3867 SCM415
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5200–5700 mm (204.72–224.41 in)
IS 1570 (Part 4) 103Cr4
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On M-EX Right Now
KS D3867 SCM415
2 active listings and RFQs →
IS 1570 (Part 4) 103Cr4
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Frequently Asked Questions
What is the difference between KS D3867 SCM415 and IS 1570 (Part 4) 103Cr4?
KS D3867 SCM415 specifies P, S, Mo which are not specified for IS 1570 (Part 4) 103Cr4.
Can KS D3867 SCM415 be substituted with IS 1570 (Part 4) 103Cr4?
KS D3867 SCM415 and IS 1570 (Part 4) 103Cr4 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.