Strong Match — 98.9% match
based on chemical composition and mechanical property overlap.
IS 4432 15Cr3 (IS 4432:1988) and IS 4432 15Cr3-S (IS 4432:1988) are both steel grades.
Both fall under the Alloy Steel category.
IS 4432 15Cr3 is typically used for forgings and fabrication of case-hardened machine or automobile parts, while IS 4432 15Cr3-S is commonly used for forgings and fabrication of case-hardened machine or automobile parts.
IS 4432 15Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 4432 15Cr3-S is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 4432 15Cr3 vs IS 4432 15Cr3-S is a 98.4% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 98.9%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 4432 15Cr3
IS 4432 15Cr3-S
Core Tensile Strength
650-900 MPa (16 mm) / 600-900 MPa (30 mm)
650-900 MPa (16 mm) / 600-900 MPa (30 mm)
Core Yield Strength
>=430 MPa (16 mm) / >=360 MPa (30 mm)
>=430 MPa (16 mm) / >=360 MPa (30 mm)
Core Elongation
>=12% (16 mm) / >=14% (30 mm)
>=12% (16 mm) / >=14% (30 mm)
Core Reduction of Area
>=35% (16 mm) / >=40% (30 mm)
>=35% (16 mm) / >=40% (30 mm)
Hardness, annealed (A)
<=174 HB
<=174 HB
Typical Applications
IS 4432 15Cr3
Forgings and fabrication of case-hardened machine or automobile parts
IS 4432 15Cr3-S
Forgings and fabrication of case-hardened machine or automobile parts
Can IS 4432 15Cr3 Be Substituted With IS 4432 15Cr3-S?
IS 4432 15Cr3 and IS 4432 15Cr3-S overlap closely enough on chemistry and mechanical properties that IS 4432 15Cr3-S is often considered as a substitute for IS 4432 15Cr3 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 IS 4432 15Cr3 and IS 4432 15Cr3-S?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 4432 15Cr3 be substituted with IS 4432 15Cr3-S?
IS 4432 15Cr3 and IS 4432 15Cr3-S overlap closely enough on chemistry and mechanical properties that IS 4432 15Cr3-S is often considered as a substitute for IS 4432 15Cr3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.