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EN 10083-3 25CrMoS4 vs NF A35-565 100C6

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

EN 10083-3 25CrMoS4 (EN 10083-3:2006) and NF A35-565 100C6 are both steel grades. Both fall under the Alloy Steel category. EN 10083-3 25CrMoS4 is typically used for quenched and tempered, flame or induction hardened machine parts (clause 1), while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts. EN 10083-3 25CrMoS4 is defined under European Standard (EN), originating from Europe, while NF A35-565 100C6 is defined under Association Francaise de Normalisation (NF), originating from France.

As per chemical composition, EN 10083-3 25CrMoS4 vs NF A35-565 100C6 is a 63% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN 10083-3 25CrMoS4:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
63%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property EN 10083-3 25CrMoS4 NF A35-565 100C6
Standard EN 10083-3:2006 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.22-0.29 0.95-1.05
Cr (%) 0.90-1.20 1.35-1.65
Mn (%) 0.60-0.90 0.25-0.45
Mo (%) 0.15-0.30 Not specified
P (%) <=0.025 <=0.027
S (%) 0.020-0.040 <=0.025
Si (%) <=0.40 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 EN 10083-3 25CrMoS4 NF A35-565 100C6
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 12% min Not specified
Hardness Soft annealed (+A): 212 HBW max 60-66 HRC
Tensile Strength 900 to 1100 MPa 850-1100 MPa
Yield Strength 700 MPa min Not specified
Typical Applications
EN 10083-3 25CrMoS4
Quenched and tempered, flame or induction hardened machine parts (clause 1)
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Key Differences
Can EN 10083-3 25CrMoS4 Be Substituted With NF A35-565 100C6?
EN 10083-3 25CrMoS4 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
EN 10083-3 25CrMoS4
No active listings currently.
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
EN 10083-3 25CrMoS4
0 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-3 25CrMoS4 and NF A35-565 100C6?
EN 10083-3 25CrMoS4 specifies Mo which is not specified for NF A35-565 100C6.
Can EN 10083-3 25CrMoS4 be substituted with NF A35-565 100C6?
EN 10083-3 25CrMoS4 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.