Strong Match — 98.8% match
based on chemical composition and mechanical property overlap.
IS 3195 50Cr4V2 (IS 3195:1992) and IS 3431 50Cr4V2 (IS 3431:1982) are both steel grades.
Both fall under the Spring Steel category.
IS 3195 50Cr4V2 is typically used for volute and helical springs for railway rolling stock; flats and rounds, springs worked hot and heat-treated (clause 1.1, foreword), while IS 3431 50Cr4V2 is commonly used for valve springs,high performance automotive springs,aerospace springs,coil springs,torsion bars.
IS 3195 50Cr4V2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 3431 50Cr4V2 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 3195 50Cr4V2 vs IS 3431 50Cr4V2 is a 98.1% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 98.8%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 3195 50Cr4V2
IS 3431 50Cr4V2
Hardness, annealed
<=245 HB
Not specified
Hardness, untreated (hot rolled)
about 310 HB (for guidance only)
above 310 HB (reference value)
Core Hardness After Quenching
Not specified
>=54 HRC (oil, up to 25 mm round / 16 mm flat)
Elongation (quenched and tempered)
Not specified
>=6%
Hardness, soft annealed
Not specified
<=245 HB
Tensile Strength (quenched and tempered)
Not specified
1370-1620 MPa
Yield Stress (quenched and tempered)
Not specified
>=1180 MPa
Typical Applications
IS 3195 50Cr4V2
Volute and helical springs for railway rolling stock; flats and rounds, springs worked hot and heat-treated (clause 1.1, foreword)
Can IS 3195 50Cr4V2 Be Substituted With IS 3431 50Cr4V2?
IS 3195 50Cr4V2 and IS 3431 50Cr4V2 overlap closely enough on chemistry and mechanical properties that IS 3431 50Cr4V2 is often considered as a substitute for IS 3195 50Cr4V2 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 3195 50Cr4V2 and IS 3431 50Cr4V2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 3195 50Cr4V2 be substituted with IS 3431 50Cr4V2?
IS 3195 50Cr4V2 and IS 3431 50Cr4V2 overlap closely enough on chemistry and mechanical properties that IS 3431 50Cr4V2 is often considered as a substitute for IS 3195 50Cr4V2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.