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IS 11169 (Part 1) 15Cr3 vs BS 970 (Part 1) 523H15

Strong Match — 85.5% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 15Cr3 (IS 11169 (Part 1):1984) and BS 970 (Part 1) 523H15 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 15Cr3 is typically used for cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1), while BS 970 (Part 1) 523H15 is commonly used for case hardening steel (section four). IS 11169 (Part 1) 15Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 523H15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 15Cr3 vs BS 970 (Part 1) 523H15 is a 85.5% 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 85.5%.

Frequently Compared With IS 11169 (Part 1) 15Cr3:
IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H NF A35-565 100C6 UNI 11234 100Cr6
Match Breakdown
CHEMISTRY MATCH
85.5%
MECHANICAL MATCH
No shared data
OVERALL
85.5%
Specifications
Property IS 11169 (Part 1) 15Cr3 BS 970 (Part 1) 523H15
Standard IS 11169 (Part 1):1984 BS 970 (Part 1):1991
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.12-0.18
Si (%) 0.10-0.35 Not specified
Mn (%) 0.40-0.60 0.30-0.60
Cr (%) 0.50-0.80 0.30-0.60
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) 15Cr3 BS 970 (Part 1) 523H15
Core Tensile Strength >=600 MPa (30 mm) Not specified
Core Elongation >=13% (30 mm) Not specified
Hardness, annealed <=140 HB Not specified
Typical Applications
IS 11169 (Part 1) 15Cr3
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
BS 970 (Part 1) 523H15
Case hardening steel (section four)
Key Differences
Can IS 11169 (Part 1) 15Cr3 Be Substituted With BS 970 (Part 1) 523H15?
IS 11169 (Part 1) 15Cr3 and BS 970 (Part 1) 523H15 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 523H15 is often considered as a substitute for IS 11169 (Part 1) 15Cr3 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) 15Cr3
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BS 970 (Part 1) 523H15
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 15Cr3 and BS 970 (Part 1) 523H15?
IS 11169 (Part 1) 15Cr3 specifies Si which is not specified for BS 970 (Part 1) 523H15.
Can IS 11169 (Part 1) 15Cr3 be substituted with BS 970 (Part 1) 523H15?
IS 11169 (Part 1) 15Cr3 and BS 970 (Part 1) 523H15 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 523H15 is often considered as a substitute for IS 11169 (Part 1) 15Cr3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.