EN 10083-3 34Cr4 vs UNI 11234 100Cr6

Minimal Match — 49% match based on chemical composition and mechanical property overlap.

EN 10083-3 34Cr4 (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 34Cr4 is typically used for used in high-tensile bolts, studs, shafts, and general engineering components., while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. EN 10083-3 34Cr4 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 34Cr4 vs UNI 11234 100Cr6 is a 73.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 49%.

Frequently Compared With EN 10083-3 34Cr4:
GOST 4543 12HN3A NF A35-565 100C6 GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 07Cr4Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
73.5%
MECHANICAL MATCH
0%
OVERALL
49%
Specifications
Property EN 10083-3 34Cr4 UNI 11234 100Cr6
Standard EN 10083-3:2006 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.30-0.37 0.93-1.05
Cr (%) 0.90-1.20 1.35-1.65
Mn (%) 0.60-0.90 0.25-0.45
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 34Cr4 UNI 11234 100Cr6
Condition Quenched and tempered (+QT), ruling section d <= 16 mm Not specified
Elongation 12% min 10-14 %
Hardness Soft annealed (+A): 223 HBW max 60-64 HRC
Tensile Strength 900 to 1100 MPa 750-1000 MPa
Yield Strength 700 MPa min 400-600 MPa
Typical Applications
EN 10083-3 34Cr4
Used in high-tensile bolts, studs, shafts, and general engineering components.
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Can EN 10083-3 34Cr4 Be Substituted With UNI 11234 100Cr6?
EN 10083-3 34Cr4 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 34Cr4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6200–6200 mm (244.09–244.09 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 34Cr4
2 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN 10083-3 34Cr4 and UNI 11234 100Cr6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10083-3 34Cr4 be substituted with UNI 11234 100Cr6?
EN 10083-3 34Cr4 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.