IS 1570 (Part 4) 55Cr3 vs UNI 11234 100Cr6

Minimal Match — 51.9% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 55Cr3 (IS 1570 (Part 4):1988) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 55Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy.

As per chemical composition, IS 1570 (Part 4) 55Cr3 vs UNI 11234 100Cr6 is a 73.1% match. As per mechanical properties, the match is 9.5%. Combined, this makes them a minimal match overall at 51.9%.

Frequently Compared With IS 1570 (Part 4) 55Cr3:
IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 NF A35-565 100C6 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10 IS 1570 (Part 7) 10Mo6H
Match Breakdown
CHEMISTRY MATCH
73.1%
MECHANICAL MATCH
9.5%
OVERALL
51.9%
Specifications
Property IS 1570 (Part 4) 55Cr3 UNI 11234 100Cr6
Standard IS 1570 (Part 4):1988 UNI 11234:2007
Category Alloy Steel Alloy Steel
C (%) 0.50-0.60 0.93-1.05
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.60-0.80 0.25-0.45
Cr (%) 0.60-0.80 1.35-1.65
P (%) Not specified <=0.025
S (%) Not specified <=0.025
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 4) 55Cr3 UNI 11234 100Cr6
Tensile Strength 890-1040 MPa 750-1000 MPa
Yield Strength >=650 MPa (0.2 % proof stress) 400-600 MPa
Elongation >=12% 10-14 %
Izod Impact >=35 J Not specified
Hardness 255-311 HBS (guidance only) 60-64 HRC
Condition Wear resisting steel, hardened and tempered, limiting ruling section 63 mm Not specified
Typical Applications
IS 1570 (Part 4) 55Cr3
Not documented
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can IS 1570 (Part 4) 55Cr3 Be Substituted With UNI 11234 100Cr6?
IS 1570 (Part 4) 55Cr3 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
IS 1570 (Part 4) 55Cr3
No active listings currently.
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
IS 1570 (Part 4) 55Cr3
0 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 55Cr3 and UNI 11234 100Cr6?
UNI 11234 100Cr6 specifies P, S which are not specified for IS 1570 (Part 4) 55Cr3.
Can IS 1570 (Part 4) 55Cr3 be substituted with UNI 11234 100Cr6?
IS 1570 (Part 4) 55Cr3 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.