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IS 11169 (Part 1) 42Cr4Mo2 vs UNI 11234 100Cr6

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

IS 11169 (Part 1) 42Cr4Mo2 (IS 11169 (Part 1):2022) and UNI 11234 100Cr6 (UNI 11234:2007) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 42Cr4Mo2 is typically used for cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex c), while UNI 11234 100Cr6 is commonly used for ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components. IS 11169 (Part 1) 42Cr4Mo2 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 11169 (Part 1) 42Cr4Mo2 vs UNI 11234 100Cr6 is a 63% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 11169 (Part 1) 42Cr4Mo2:
IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10 IS 1570 (Part 7) 10Mo6H NF A35-565 100C6 IS 1570 (Part 7) 10Cr36Mo10H IS 11169 (Part 1) 10Ni5Cr4
Match Breakdown
CHEMISTRY MATCH
63%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 11169 (Part 1) 42Cr4Mo2 UNI 11234 100Cr6
Standard IS 11169 (Part 1):2022 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
Cu (%) <=0.25 Not specified
Mn (%) 0.60-0.90 0.25-0.45
Mo (%) 0.15-0.30 Not specified
P (%) <=0.025 <=0.025
S (%) <=0.025 <=0.025
Si (%) <=0.30 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 IS 11169 (Part 1) 42Cr4Mo2 UNI 11234 100Cr6
Core Hardness (CH) >=50 HRC up to 21 mm Not specified
Tensile Strength, annealed (+AC) <=630 MPa (over 5 to 40 mm) Not specified
Tensile Strength Not specified 750-1000 MPa
Yield Strength Not specified 400-600 MPa
Elongation Not specified 10-14 %
Hardness Not specified 60-64 HRC
Typical Applications
IS 11169 (Part 1) 42Cr4Mo2
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
UNI 11234 100Cr6
ball bearings,roller bearings,needle bearings,dies,punches,gauges,wear resistant components
Key Differences
Can IS 11169 (Part 1) 42Cr4Mo2 Be Substituted With UNI 11234 100Cr6?
IS 11169 (Part 1) 42Cr4Mo2 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 11169 (Part 1) 42Cr4Mo2
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 11169 (Part 1) 42Cr4Mo2
0 active listings and RFQs →
UNI 11234 100Cr6
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 42Cr4Mo2 and UNI 11234 100Cr6?
IS 11169 (Part 1) 42Cr4Mo2 specifies Cu, Mo which are not specified for UNI 11234 100Cr6.
Can IS 11169 (Part 1) 42Cr4Mo2 be substituted with UNI 11234 100Cr6?
IS 11169 (Part 1) 42Cr4Mo2 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.