SAE J404 52100 vs NF A35-565 100C6

Strong Match — 96.9% match based on chemical composition and mechanical property overlap.

SAE J404 52100 (SAE J404:2009) and NF A35-565 100C6 are both steel grades. Both fall under the Alloy Steel category. SAE J404 52100 is typically used for ball bearings, roller bearings, races, bushings, precision tooling, dies, gauges, while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts. SAE J404 52100 is defined under SAE International, originating from United States, while NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF), originating from France.

As per chemical composition, SAE J404 52100 vs NF A35-565 100C6 is a 96.9% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 96.9%.

Frequently Compared With SAE J404 52100:
UNI 11234 100Cr6 GOST 4543 12HN3A GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
96.9%
MECHANICAL MATCH
No shared data
OVERALL
96.9%
Specifications
Property SAE J404 52100 NF A35-565 100C6
Standard SAE J404:2009 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.93-1.05 0.95-1.05
Cr (%) 1.35-1.60 1.35-1.65
Mn (%) 0.25-0.45 0.25-0.45
P (%) <=0.025 <=0.027
S (%) <=0.025 <=0.025
Si (%) 0.15-0.35 0.15-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property SAE J404 52100 NF A35-565 100C6
Tensile Strength Not specified 850-1100 MPa
Hardness Not specified 60-66 HRC
Typical Applications
SAE J404 52100
Ball bearings, roller bearings, races, bushings, precision tooling, dies, gauges
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Can SAE J404 52100 Be Substituted With NF A35-565 100C6?
SAE J404 52100 and NF A35-565 100C6 overlap closely enough on chemistry and mechanical properties that NF A35-565 100C6 is often considered as a substitute for SAE J404 52100 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
SAE J404 52100
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5100–6700 mm (200.79–263.78 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
SAE J404 52100
2 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between SAE J404 52100 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 SAE J404 52100 be substituted with NF A35-565 100C6?
SAE J404 52100 and NF A35-565 100C6 overlap closely enough on chemistry and mechanical properties that NF A35-565 100C6 is often considered as a substitute for SAE J404 52100 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.