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JIS G4053 SMnC420 vs NF A35-565 100C6

Minimal Match — 49.6% match based on chemical composition and mechanical property overlap.

JIS G4053 SMnC420 (JIS G4053:2008) and NF A35-565 100C6 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 NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts. JIS G4053 SMnC420 is defined under Japanese Industrial Standards (JIS), originating from Japan, while NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF), originating from France.

As per chemical composition, JIS G4053 SMnC420 vs NF A35-565 100C6 is a 74.4% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 49.6%.

Frequently Compared With JIS G4053 SMnC420:
UNI 11234 100Cr6 GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 103Cr4 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
74.4%
MECHANICAL MATCH
0%
OVERALL
49.6%
Specifications
Property JIS G4053 SMnC420 NF A35-565 100C6
Standard JIS G4053:2008 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.17–0.23 0.95-1.05
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 <=0.027
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 NF A35-565 100C6
Tensile Strength 785–980 MPa 850-1100 MPa
Case Hardness HRC 58–62 Not specified
Core Hardness HB 217–277 Not specified
Elongation ≥10% Not specified
Hardness Not specified 60-66 HRC
Typical Applications
JIS G4053 SMnC420
Case hardened gears, shafts, cams, pins, automotive components
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Can JIS G4053 SMnC420 Be Substituted With NF A35-565 100C6?
JIS G4053 SMnC420 and NF A35-565 100C6 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)
NF A35-565 100C6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6700–6700 mm (263.78–263.78 in)
On M-EX Right Now
JIS G4053 SMnC420
2 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4053 SMnC420 and NF A35-565 100C6?
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 NF A35-565 100C6?
JIS G4053 SMnC420 and NF A35-565 100C6 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.