Strong Match — 85.5% match
based on chemical composition and mechanical property overlap.
BS 970 (Part 1) 523H15 (BS 970 (Part 1):1991) and IS 11169 (Part 1) 15Cr3 (IS 11169 (Part 1):1984) are both steel grades.
Both fall under the Alloy Steel category.
BS 970 (Part 1) 523H15 is typically used for case hardening steel (section four), while IS 11169 (Part 1) 15Cr3 is commonly used for 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 is defined under British Standards (BS), originating from United Kingdom, while IS 11169 (Part 1) 15Cr3 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, BS 970 (Part 1) 523H15 vs IS 11169 (Part 1) 15Cr3 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%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
BS 970 (Part 1) 523H15
IS 11169 (Part 1) 15Cr3
Core Tensile Strength
Not specified
>=600 MPa (30 mm)
Core Elongation
Not specified
>=13% (30 mm)
Hardness, annealed
Not specified
<=140 HB
Typical Applications
BS 970 (Part 1) 523H15
Case hardening steel (section four)
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)
Key Differences
IS 11169 (Part 1) 15Cr3 specifies Si which is not specified for BS 970 (Part 1) 523H15.
Can BS 970 (Part 1) 523H15 Be Substituted With IS 11169 (Part 1) 15Cr3?
BS 970 (Part 1) 523H15 and IS 11169 (Part 1) 15Cr3 overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 15Cr3 is often considered as a substitute for BS 970 (Part 1) 523H15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between BS 970 (Part 1) 523H15 and IS 11169 (Part 1) 15Cr3?
IS 11169 (Part 1) 15Cr3 specifies Si which is not specified for BS 970 (Part 1) 523H15.
Can BS 970 (Part 1) 523H15 be substituted with IS 11169 (Part 1) 15Cr3?
BS 970 (Part 1) 523H15 and IS 11169 (Part 1) 15Cr3 overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 15Cr3 is often considered as a substitute for BS 970 (Part 1) 523H15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.