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JIS G4103 SNCM420 vs UNI 11234 100Cr6

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

JIS G4103 SNCM420 (JIS G4103:1979) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. JIS G4103 SNCM420 is typically used for used in automotive gears, transmission parts, shafts, pinions, camshafts, and industrial equipment., while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. JIS G4103 SNCM420 is defined under Japanese Industrial Standards (JIS), originating from Japan, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.

As per chemical composition, JIS G4103 SNCM420 vs UNI 11234 100Cr6 is a 59.7% match. As per mechanical properties, the match is 15%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With JIS G4103 SNCM420:
GOST 4543 12HN3A NF A35-565 100C6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
59.7%
MECHANICAL MATCH
15%
OVERALL
35%
Specifications
Property JIS G4103 SNCM420 UNI 11234 100Cr6
Standard JIS G4103:1979 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.17-0.23 0.93-1.05
Si (%) 0.15-0.35 0.15-0.35
Mn (%) 0.40-0.70 0.25-0.45
P (%) 0.030 max <=0.025
S (%) 0.030 max <=0.025
Ni (%) 1.50-2.00 Not specified
Cr (%) 0.40-0.80 1.35-1.65
Mo (%) 0.15-0.30 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 G4103 SNCM420 UNI 11234 100Cr6
Tensile Strength 780-930 MPa 750-1000 MPa
Yield Strength 590 MPa min 400-600 MPa
Elongation 14% min 10-14 %
Hardness 217-269 HB 60-64 HRC
Typical Applications
JIS G4103 SNCM420
Used in automotive gears, transmission parts, shafts, pinions, camshafts, and industrial equipment.
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can JIS G4103 SNCM420 Be Substituted With UNI 11234 100Cr6?
JIS G4103 SNCM420 and UNI 11234 100Cr6 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 SNCM420
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5900–6000 mm (232.28–236.22 in)
UNI 11234 100Cr6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–6800 mm (224.41–267.72 in)
On M-EX Right Now
JIS G4103 SNCM420
2 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4103 SNCM420 and UNI 11234 100Cr6?
JIS G4103 SNCM420 specifies Ni, Mo which are not specified for UNI 11234 100Cr6.
Can JIS G4103 SNCM420 be substituted with UNI 11234 100Cr6?
JIS G4103 SNCM420 and UNI 11234 100Cr6 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.