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JIS G4103 SNCM439 vs IS 4367 10Cr9Mo10

Minimal Match — 37.3% match based on chemical composition and mechanical property overlap.

JIS G4103 SNCM439 (JIS G4103:1979) and IS 4367 10Cr9Mo10 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. JIS G4103 SNCM439 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 G4103 SNCM439 vs IS 4367 10Cr9Mo10 is a 56% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 37.3%.

Frequently Compared With JIS G4103 SNCM439:
GOST 4543 12HN3A NF A35-565 100C6 UNI 11234 100Cr6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 07Cr4Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
56%
MECHANICAL MATCH
0%
OVERALL
37.3%
Specifications
Property JIS G4103 SNCM439 IS 4367 10Cr9Mo10
Standard JIS G4103:1979 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.36–0.43 <=0.15
Si (%) 0.15–0.35 <=0.50
Mn (%) 0.60–0.90 0.40-0.70
Cr (%) 0.60–1.00 2.00-2.50
Mo (%) 0.15–0.30 0.90-1.10
Ni (%) 1.60–2.00 <=0.30
S (%) Not specified <=0.035
P (%) Not specified <=0.035
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4103 SNCM439 IS 4367 10Cr9Mo10
Tensile Strength ≥980 MPa 410-590 MPa
Yield Strength ≥835 MPa 245 MPa min
Elongation ≥12% >=18%
Hardness 293–352 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 G4103 SNCM439
Crankshafts, gears, heavy duty shafts, aircraft components
IS 4367 10Cr9Mo10
Not documented
Key Differences
Can JIS G4103 SNCM439 Be Substituted With IS 4367 10Cr9Mo10?
JIS G4103 SNCM439 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 G4103 SNCM439
Round Bar → (3 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4900–5800 mm (192.91–228.35 in)
IS 4367 10Cr9Mo10
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On M-EX Right Now
JIS G4103 SNCM439
3 active listings and RFQs →
IS 4367 10Cr9Mo10
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Frequently Asked Questions
What is the difference between JIS G4103 SNCM439 and IS 4367 10Cr9Mo10?
IS 4367 10Cr9Mo10 specifies S, P which are not specified for JIS G4103 SNCM439.
Can JIS G4103 SNCM439 be substituted with IS 4367 10Cr9Mo10?
JIS G4103 SNCM439 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.