Close Alternative — 82.6% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 4) 15Cr3 (IS 1570 (Part 4):1988) and IS 11169 (Part 1) 15Cr3 (IS 11169 (Part 1):1984) are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 4) 15Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 15Cr3 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 1570 (Part 4) 15Cr3 vs IS 11169 (Part 1) 15Cr3 is a 98.9% match.
As per mechanical properties, the match is 50%.
Combined, this makes them a close alternative overall at 82.6%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 1570 (Part 4) 15Cr3
IS 11169 (Part 1) 15Cr3
Tensile Strength
>=590 MPa
Not specified
Elongation
>=13%
Not specified
Izod Impact
>=48 J
Not specified
Condition
Case hardening steel, refined and quenched, core properties
Not specified
Core Tensile Strength
Not specified
>=600 MPa (30 mm)
Core Elongation
Not specified
>=13% (30 mm)
Hardness, annealed
Not specified
<=140 HB
Typical Applications
IS 1570 (Part 4) 15Cr3
Not documented
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)
Can IS 1570 (Part 4) 15Cr3 Be Substituted With IS 11169 (Part 1) 15Cr3?
IS 1570 (Part 4) 15Cr3 and IS 11169 (Part 1) 15Cr3 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.
What is the difference between IS 1570 (Part 4) 15Cr3 and IS 11169 (Part 1) 15Cr3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 4) 15Cr3 be substituted with IS 11169 (Part 1) 15Cr3?
IS 1570 (Part 4) 15Cr3 and IS 11169 (Part 1) 15Cr3 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.