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JIS G4053 SMnC420 vs UNI 11234 100Cr6

Minimal Match — 49.5% match based on chemical composition and mechanical property overlap.

JIS G4053 SMnC420 (JIS G4053:2008) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. JIS G4053 SMnC420 is typically used for case hardened gears, shafts, cams, pins, automotive components, while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. JIS G4053 SMnC420 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 G4053 SMnC420 vs UNI 11234 100Cr6 is a 74.3% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 49.5%.

Frequently Compared With JIS G4053 SMnC420:
GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A NF A35-565 100C6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr6 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
74.3%
MECHANICAL MATCH
0%
OVERALL
49.5%
Specifications
Property JIS G4053 SMnC420 UNI 11234 100Cr6
Standard JIS G4053:2008 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.17–0.23 0.93-1.05
Mn (%) 1.15–1.55 0.25-0.45
Cr (%) 0.35–0.70 1.35-1.65
Si (%) 0.15–0.35 0.15-0.35
S (%) ≤0.030 <=0.025
P (%) ≤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 G4053 SMnC420 UNI 11234 100Cr6
Tensile Strength 785–980 MPa 750-1000 MPa
Case Hardness HRC 58–62 Not specified
Core Hardness HB 217–277 Not specified
Elongation ≥10% 10-14 %
Yield Strength Not specified 400-600 MPa
Hardness Not specified 60-64 HRC
Typical Applications
JIS G4053 SMnC420
Case hardened gears, shafts, cams, pins, automotive components
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Can JIS G4053 SMnC420 Be Substituted With UNI 11234 100Cr6?
JIS G4053 SMnC420 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 G4053 SMnC420
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6500–6500 mm (255.91–255.91 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 G4053 SMnC420
2 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4053 SMnC420 and UNI 11234 100Cr6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4053 SMnC420 be substituted with UNI 11234 100Cr6?
JIS G4053 SMnC420 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.