EN ISO 683-17 20CrMo4 vs UNI 11234 100Cr6

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

EN ISO 683-17 20CrMo4 (EN ISO 683-17:2014) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. EN ISO 683-17 20CrMo4 is typically used for used in gears, shafts, axles, high-tensile bolts, and structural components., while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. EN ISO 683-17 20CrMo4 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 ISO 683-17 20CrMo4 vs UNI 11234 100Cr6 is a 64.1% match. As per mechanical properties, the match is 8.3%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With EN ISO 683-17 20CrMo4:
NF A35-565 100C6 GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 EN 10028-2 10CrMo9-10
Match Breakdown
CHEMISTRY MATCH
64.1%
MECHANICAL MATCH
8.3%
OVERALL
35%
Specifications
Property EN ISO 683-17 20CrMo4 UNI 11234 100Cr6
Standard EN ISO 683-17:2014 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.18-0.23 0.93-1.05
Mn (%) 0.60-0.90 0.25-0.45
Si (%) <=0.40 0.15-0.35
P (%) <=0.035 <=0.025
S (%) <=0.035 <=0.025
Cr (%) 0.90-1.20 1.35-1.65
Mo (%) 0.15-0.25 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property EN ISO 683-17 20CrMo4 UNI 11234 100Cr6
Tensile Strength 700-850 MPa 750-1000 MPa
Yield Strength 500 MPa min 400-600 MPa
Elongation 14% min 10-14 %
Hardness 207-248 HB 60-64 HRC
Typical Applications
EN ISO 683-17 20CrMo4
Used in gears, shafts, axles, high-tensile bolts, and structural components.
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can EN ISO 683-17 20CrMo4 Be Substituted With UNI 11234 100Cr6?
EN ISO 683-17 20CrMo4 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 ISO 683-17 20CrMo4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5200–6400 mm (204.72–251.97 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 ISO 683-17 20CrMo4
2 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between EN ISO 683-17 20CrMo4 and UNI 11234 100Cr6?
EN ISO 683-17 20CrMo4 specifies Mo which is not specified for UNI 11234 100Cr6.
Can EN ISO 683-17 20CrMo4 be substituted with UNI 11234 100Cr6?
EN ISO 683-17 20CrMo4 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.