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IS 11169 (Part 1) 42Cr4Mo2S3 vs IS 1570 (Part 4) 42Cr4Mo2

Strong Match — 92.1% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 42Cr4Mo2S3 (IS 11169 (Part 1):2022) and IS 1570 (Part 4) 42Cr4Mo2 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 42Cr4Mo2S3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 42Cr4Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 42Cr4Mo2S3 vs IS 1570 (Part 4) 42Cr4Mo2 is a 92.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 92.1%.

Frequently Compared With IS 11169 (Part 1) 42Cr4Mo2S3:
NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H IS 4367 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
92.1%
MECHANICAL MATCH
No shared data
OVERALL
92.1%
Specifications
Property IS 11169 (Part 1) 42Cr4Mo2S3 IS 1570 (Part 4) 42Cr4Mo2
Standard IS 11169 (Part 1):2022 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.38-0.45 0.38-0.45
Cr (%) 0.90-1.20 0.90-1.20
Cu (%) <=0.25 Not specified
Mn (%) 0.60-0.90 0.60-0.90
Mo (%) 0.15-0.30 0.15-0.30
P (%) <=0.025 Not specified
S (%) 0.020-0.040 Not specified
Si (%) <=0.30 0.10-0.35
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) 42Cr4Mo2S3 IS 1570 (Part 4) 42Cr4Mo2
Core Hardness (CH) >=50 HRC up to 21 mm Not specified
Tensile Strength, annealed (+AC) <=630 MPa (over 5 to 40 mm) Not specified
Typical Applications
IS 11169 (Part 1) 42Cr4Mo2S3
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)
IS 1570 (Part 4) 42Cr4Mo2
Not documented
Key Differences
Can IS 11169 (Part 1) 42Cr4Mo2S3 Be Substituted With IS 1570 (Part 4) 42Cr4Mo2?
IS 11169 (Part 1) 42Cr4Mo2S3 and IS 1570 (Part 4) 42Cr4Mo2 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 42Cr4Mo2 is often considered as a substitute for IS 11169 (Part 1) 42Cr4Mo2S3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 11169 (Part 1) 42Cr4Mo2S3
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IS 1570 (Part 4) 42Cr4Mo2
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 42Cr4Mo2S3 and IS 1570 (Part 4) 42Cr4Mo2?
IS 11169 (Part 1) 42Cr4Mo2S3 specifies Cu, P, S which are not specified for IS 1570 (Part 4) 42Cr4Mo2.
Can IS 11169 (Part 1) 42Cr4Mo2S3 be substituted with IS 1570 (Part 4) 42Cr4Mo2?
IS 11169 (Part 1) 42Cr4Mo2S3 and IS 1570 (Part 4) 42Cr4Mo2 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 42Cr4Mo2 is often considered as a substitute for IS 11169 (Part 1) 42Cr4Mo2S3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.