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JIS G4102 SNC815 vs UNI 11234 100Cr6

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

JIS G4102 SNC815 (JIS G 4102:1979) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. JIS G4102 SNC815 is typically used for heavily stressed gears, differential components, while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. JIS G4102 SNC815 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 G4102 SNC815 vs UNI 11234 100Cr6 is a 68.2% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With JIS G4102 SNC815:
NF A35-565 100C6 GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6
Other Alloy Steel Grades to Compare With JIS G4102 SNC815:
EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
68.2%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property JIS G4102 SNC815 UNI 11234 100Cr6
Standard JIS G 4102:1979 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.12–0.18 0.93-1.05
Si (%) 0.15–0.35 0.15-0.35
Mn (%) 0.30–0.60 0.25-0.45
Cr (%) 0.60–1.00 1.35-1.65
Ni (%) 3.00–3.50 Not specified
P (%) ≤0.030 <=0.025
S (%) ≤0.030 <=0.025
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4102 SNC815 UNI 11234 100Cr6
Tensile Strength ≥980 MPa 750-1000 MPa
Case Hardness HRC 60–65 Not specified
Yield Strength Not specified 400-600 MPa
Elongation Not specified 10-14 %
Hardness Not specified 60-64 HRC
Typical Applications
JIS G4102 SNC815
Heavily stressed gears, differential components
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can JIS G4102 SNC815 Be Substituted With UNI 11234 100Cr6?
JIS G4102 SNC815 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 G4102 SNC815
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4900–5900 mm (192.91–232.28 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 G4102 SNC815
2 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4102 SNC815 and UNI 11234 100Cr6?
JIS G4102 SNC815 specifies Ni which is not specified for UNI 11234 100Cr6.
Can JIS G4102 SNC815 be substituted with UNI 11234 100Cr6?
JIS G4102 SNC815 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.