Post Stock Login Register

JIS G4104 SCr440 vs NF A35-565 100C6

Related Material — 56.5% match based on chemical composition and mechanical property overlap.

JIS G4104 SCr440 (JIS G 4104:1979) and NF A35-565 100C6 are both steel grades. Both fall under the Alloy Steel category. JIS G4104 SCr440 is typically used for used in gears, shafts, bolts, spindles, couplings, and machine structural parts., while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts. JIS G4104 SCr440 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 G4104 SCr440 vs NF A35-565 100C6 is a 76.4% match. As per mechanical properties, the match is 16.7%. Combined, this makes them a related material overall at 56.5%.

Frequently Compared With JIS G4104 SCr440:
UNI 11234 100Cr6 GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A 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 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
76.4%
MECHANICAL MATCH
16.7%
OVERALL
56.5%
Specifications
Property JIS G4104 SCr440 NF A35-565 100C6
Standard JIS G 4104:1979 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.38-0.43 0.95-1.05
Si (%) 0.15-0.35 0.15-0.35
Mn (%) 0.60-0.85 0.25-0.45
P (%) 0.030 max <=0.027
S (%) 0.030 max <=0.025
Cr (%) 0.90-1.20 1.35-1.65
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4104 SCr440 NF A35-565 100C6
Tensile Strength 800-950 MPa 850-1100 MPa
Yield Strength 590 MPa min Not specified
Elongation 13% min Not specified
Hardness 230-285 HB 60-66 HRC
Typical Applications
JIS G4104 SCr440
Used in gears, shafts, bolts, spindles, couplings, and machine structural parts.
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Can JIS G4104 SCr440 Be Substituted With NF A35-565 100C6?
JIS G4104 SCr440 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 G4104 SCr440
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4500–6100 mm (177.17–240.16 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 G4104 SCr440
2 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4104 SCr440 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 G4104 SCr440 be substituted with NF A35-565 100C6?
JIS G4104 SCr440 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.