Close Alternative — 83.3% match
based on chemical composition and mechanical property overlap.
BS 970 EN206 (BS 970:1955) and IS 4432 15Cr3 (IS 4432:1988) are both steel grades.
Both fall under the Alloy Steel category.
BS 970 EN206 is defined under British Standards (BS), originating from United Kingdom, while IS 4432 15Cr3 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, BS 970 EN206 vs IS 4432 15Cr3 is a 83.3% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a close alternative overall at 83.3%.
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 EN206
IS 4432 15Cr3
Core Tensile Strength
Not specified
650-900 MPa (16 mm) / 600-900 MPa (30 mm)
Core Yield Strength
Not specified
>=430 MPa (16 mm) / >=360 MPa (30 mm)
Core Elongation
Not specified
>=12% (16 mm) / >=14% (30 mm)
Core Reduction of Area
Not specified
>=35% (16 mm) / >=40% (30 mm)
Hardness, annealed (A)
Not specified
<=174 HB
Typical Applications
BS 970 EN206
Not documented
IS 4432 15Cr3
Forgings and fabrication of case-hardened machine or automobile parts
Can BS 970 EN206 Be Substituted With IS 4432 15Cr3?
BS 970 EN206 and IS 4432 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 BS 970 EN206 and IS 4432 15Cr3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can BS 970 EN206 be substituted with IS 4432 15Cr3?
BS 970 EN206 and IS 4432 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.