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JIS G4105 SCM440 vs IS 4367 10Cr9Mo10

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

JIS G4105 SCM440 (JIS G4105:1979) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. JIS G4105 SCM440 is defined under Japanese Industrial Standards (JIS), originating from Japan, while IS 4367 10Cr9Mo10 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, JIS G4105 SCM440 vs IS 4367 10Cr9Mo10 is a 57.4% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With JIS G4105 SCM440:
GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A UNI 11234 100Cr6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr6
Match Breakdown
CHEMISTRY MATCH
57.4%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property JIS G4105 SCM440 IS 4367 10Cr9Mo10
Standard JIS G4105:1979 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.38–0.43 <=0.15
Si (%) 0.15–0.35 <=0.50
Mn (%) 0.60–0.90 0.40-0.70
Cr (%) 0.90–1.20 2.00-2.50
Mo (%) 0.15–0.30 0.90-1.10
S (%) ≤0.030 <=0.035
P (%) ≤0.030 <=0.035
Ni (%) Not specified <=0.30
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 SCM440 IS 4367 10Cr9Mo10
Tensile Strength ≥930 MPa 410-590 MPa
Yield Strength ≥785 MPa 245 MPa min
Elongation ≥12% >=18%
Hardness 269–331 HB Not specified
Izod Impact Not specified 55 J min
Hardness (soft annealed) Not specified <=187 HB
Condition Not specified Normalised and tempered, ruling section up to 50 mm
Typical Applications
JIS G4105 SCM440
Automotive parts, gears, shafts, bolts, dies
IS 4367 10Cr9Mo10
Not documented
Key Differences
Can JIS G4105 SCM440 Be Substituted With IS 4367 10Cr9Mo10?
JIS G4105 SCM440 and IS 4367 10Cr9Mo10 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 G4105 SCM440
Round Bar → (3 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5400–7000 mm (212.6–275.59 in)
IS 4367 10Cr9Mo10
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On M-EX Right Now
JIS G4105 SCM440
3 active listings and RFQs →
IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between JIS G4105 SCM440 and IS 4367 10Cr9Mo10?
IS 4367 10Cr9Mo10 specifies Ni which is not specified for JIS G4105 SCM440.
Can JIS G4105 SCM440 be substituted with IS 4367 10Cr9Mo10?
JIS G4105 SCM440 and IS 4367 10Cr9Mo10 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.