EN 10083-3 42CrMo4 vs UNI 11234 100Cr6

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

EN 10083-3 42CrMo4 (EN 10083-3:2006) and UNI 11234 100Cr6 (UNI 11234:2007) 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 UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. EN 10083-3 42CrMo4 is defined under European Standard (EN), originating from Europe, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.

As per chemical composition, EN 10083-3 42CrMo4 vs UNI 11234 100Cr6 is a 64.9% 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:
NF A35-565 100C6 GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 07Cr4Mo6 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
64.9%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property EN 10083-3 42CrMo4 UNI 11234 100Cr6
Standard EN 10083-3:2006 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.38-0.45 0.93-1.05
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 <=0.025
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 UNI 11234 100Cr6
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 10% min 10-14 %
Hardness Soft annealed (+A): 241 HBW max 60-64 HRC
Tensile Strength 1100 to 1300 MPa 750-1000 MPa
Yield Strength 900 MPa min 400-600 MPa
Typical Applications
EN 10083-3 42CrMo4
High strength bolts, crankshafts, axles
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can EN 10083-3 42CrMo4 Be Substituted With UNI 11234 100Cr6?
EN 10083-3 42CrMo4 and UNI 11234 100Cr6 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)
UNI 11234 100Cr6
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–6800 mm (224.41–267.72 in)
On M-EX Right Now
EN 10083-3 42CrMo4
43 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-3 42CrMo4 and UNI 11234 100Cr6?
EN 10083-3 42CrMo4 specifies Mo which is not specified for UNI 11234 100Cr6.
Can EN 10083-3 42CrMo4 be substituted with UNI 11234 100Cr6?
EN 10083-3 42CrMo4 and UNI 11234 100Cr6 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.