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JIS G4053 SMnC420 vs IS 1570 (Part 4) 103Cr6

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

JIS G4053 SMnC420 (JIS G4053:2008) and IS 1570 (Part 4) 103Cr6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. JIS G4053 SMnC420 is defined under Japanese Industrial Standards (JIS), originating from Japan, while IS 1570 (Part 4) 103Cr6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, JIS G4053 SMnC420 vs IS 1570 (Part 4) 103Cr6 is a 76% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With JIS G4053 SMnC420:
UNI 11234 100Cr6 GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A NF A35-565 100C6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
76%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property JIS G4053 SMnC420 IS 1570 (Part 4) 103Cr6
Standard JIS G4053:2008 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.17–0.23 0.95-1.10
Mn (%) 1.15–1.55 0.25-0.45
Cr (%) 0.35–0.70 1.40-1.60
Si (%) 0.15–0.35 0.10-0.35
S (%) ≤0.030 Not specified
P (%) ≤0.030 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4053 SMnC420 IS 1570 (Part 4) 103Cr6
Tensile Strength 785–980 MPa Not specified
Case Hardness HRC 58–62 Not specified
Core Hardness HB 217–277 Not specified
Elongation ≥10% Not specified
Typical Applications
JIS G4053 SMnC420
Case hardened gears, shafts, cams, pins, automotive components
IS 1570 (Part 4) 103Cr6
Not documented
Key Differences
Can JIS G4053 SMnC420 Be Substituted With IS 1570 (Part 4) 103Cr6?
JIS G4053 SMnC420 and IS 1570 (Part 4) 103Cr6 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
JIS G4053 SMnC420
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6500–6500 mm (255.91–255.91 in)
IS 1570 (Part 4) 103Cr6
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On M-EX Right Now
JIS G4053 SMnC420
2 active listings and RFQs →
IS 1570 (Part 4) 103Cr6
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Frequently Asked Questions
What is the difference between JIS G4053 SMnC420 and IS 1570 (Part 4) 103Cr6?
JIS G4053 SMnC420 specifies S, P which are not specified for IS 1570 (Part 4) 103Cr6.
Can JIS G4053 SMnC420 be substituted with IS 1570 (Part 4) 103Cr6?
JIS G4053 SMnC420 and IS 1570 (Part 4) 103Cr6 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.