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UNI 11234 100Cr6 vs IS 1570 (Part 4) 105Cr5

Close Alternative — 80.4% match based on chemical composition and mechanical property overlap.

UNI 11234 100Cr6 (UNI 11234:2007) and IS 1570 (Part 4) 105Cr5 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. UNI 11234 100Cr6 is defined under Ente Nazionale Italiano di Unificazione (UNI), originating from Italy, while IS 1570 (Part 4) 105Cr5 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, UNI 11234 100Cr6 vs IS 1570 (Part 4) 105Cr5 is a 80.4% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 80.4%.

Frequently Compared With UNI 11234 100Cr6:
NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr2Mo5V2H IS 1570 (Part 4) 103Cr4 IS 1570 (Part 7) 12Cr9Mo10H IS 4367 07Cr4Mo6 IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 7) 12Cr4Mo5H
Match Breakdown
CHEMISTRY MATCH
80.4%
MECHANICAL MATCH
No shared data
OVERALL
80.4%
Specifications
Property UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5
Standard UNI 11234:2007 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.93-1.05 0.90-1.20
Si (%) 0.15-0.35 0.10-0.35
Mn (%) 0.25-0.45 0.40-0.80
P (%) <=0.025 Not specified
S (%) <=0.025 Not specified
Cr (%) 1.35-1.65 1.00-1.60
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5
Tensile Strength 750-1000 MPa Not specified
Yield Strength 400-600 MPa Not specified
Elongation 10-14 % Not specified
Hardness 60-64 HRC Not specified
Typical Applications
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
IS 1570 (Part 4) 105Cr5
Not documented
Key Differences
Can UNI 11234 100Cr6 Be Substituted With IS 1570 (Part 4) 105Cr5?
UNI 11234 100Cr6 and IS 1570 (Part 4) 105Cr5 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
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)
IS 1570 (Part 4) 105Cr5
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On M-EX Right Now
UNI 11234 100Cr6
2 active listings and RFQs →
IS 1570 (Part 4) 105Cr5
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Frequently Asked Questions
What is the difference between UNI 11234 100Cr6 and IS 1570 (Part 4) 105Cr5?
UNI 11234 100Cr6 specifies P, S which are not specified for IS 1570 (Part 4) 105Cr5.
Can UNI 11234 100Cr6 be substituted with IS 1570 (Part 4) 105Cr5?
UNI 11234 100Cr6 and IS 1570 (Part 4) 105Cr5 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.