EN 10083-3 42CrMo4 vs NF A35-565 100C6

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

EN 10083-3 42CrMo4 (EN 10083-3:2006) and NF A35-565 100C6 are both steel grades. Both fall under the Alloy Steel category. EN 10083-3 42CrMo4 is typically used for high strength bolts, crankshafts, axles, while NF A35-565 100C6 is commonly used for ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts. EN 10083-3 42CrMo4 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 42CrMo4 vs NF A35-565 100C6 is a 64.7% 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 42CrMo4:
GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A UNI 11234 100Cr6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
64.7%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property EN 10083-3 42CrMo4 NF A35-565 100C6
Standard EN 10083-3:2006 NF A35-565
Category Alloy Steel Alloy Steel
C (%) 0.38-0.45 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 (%) <=0.035 <=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 42CrMo4 NF A35-565 100C6
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 10% min Not specified
Hardness Soft annealed (+A): 241 HBW max 60-66 HRC
Tensile Strength 1100 to 1300 MPa 850-1100 MPa
Yield Strength 900 MPa min Not specified
Typical Applications
EN 10083-3 42CrMo4
High strength bolts, crankshafts, axles
NF A35-565 100C6
ball bearings, roller bearings, bearing races, rollers, precision tools, wear resistant parts
Key Differences
Can EN 10083-3 42CrMo4 Be Substituted With NF A35-565 100C6?
EN 10083-3 42CrMo4 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 42CrMo4
Round Bar → (26 listings)
Diameter: 40–75 mm (1.57–2.95 in)
Length: 4300–7000 mm (169.29–275.59 in)
Forging → (7 listings)
Diameter: 180–200 mm (7.09–7.87 in)
Length: 500–2100 mm (19.69–82.68 in)
Flat Bar → (6 listings)
Thickness: 40–40 mm (1.57–1.57 in)
Width: 150–200 mm (5.91–7.87 in)
Length: 2500–3400 mm (98.43–133.86 in)
Hex Bar → (4 listings)
Across Flats: 50–50 mm (1.97–1.97 in)
Length: 2500–6500 mm (98.43–255.91 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
EN 10083-3 42CrMo4
43 active listings and RFQs →
NF A35-565 100C6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-3 42CrMo4 and NF A35-565 100C6?
EN 10083-3 42CrMo4 specifies Mo which is not specified for NF A35-565 100C6.
Can EN 10083-3 42CrMo4 be substituted with NF A35-565 100C6?
EN 10083-3 42CrMo4 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.