IS 3431 50Cr4V2 vs IS 3431 60Cr4V2

Strong Match — 87% match based on chemical composition and mechanical property overlap.

IS 3431 50Cr4V2 (IS 3431:1982) and IS 3431 60Cr4V2 (IS 3431:1982) are both steel grades. Both fall under the Spring Steel category. IS 3431 50Cr4V2 is typically used for valve springs,high performance automotive springs,aerospace springs,coil springs,torsion bars, while IS 3431 60Cr4V2 is commonly used for volute, helical and laminated springs for automotive suspension; hot-rolled (also centreless ground or precision) bars and flats (clause 1.1). IS 3431 50Cr4V2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 3431 60Cr4V2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 3431 50Cr4V2 vs IS 3431 60Cr4V2 is a 80.6% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 87%.

Frequently Compared With IS 3431 50Cr4V2:
EN 10089 50CrV4 EN 10083-3 51CrV4 IS 3195 60Cr4V2 IS 3195 50Cr4V2 EN 10083-1 51CrV4 IS 3195 55Si7 IS 3195 113C6 IS 3431 60Si7 IS 3195 52Cr4Mo2V IS 3431 55Si7 EN 10083-1 51CrV4 IS 3195 98C6
Match Breakdown
CHEMISTRY MATCH
80.6%
MECHANICAL MATCH
100%
OVERALL
87%
Specifications
Property IS 3431 50Cr4V2 IS 3431 60Cr4V2
Standard IS 3431:1982 IS 3431:1982
Category Spring Steel Spring Steel
C (%) 0.45-0.55 0.55-0.65
Cr (%) 0.90-1.20 0.90-1.20
Mn (%) 0.50-0.80 0.80-1.00
P (%) <=0.045 <=0.045
S (%) <=0.045 <=0.045
Si (%) 0.15-0.35 0.15-0.35
V (%) 0.15-0.30 >=0.15
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 3431 50Cr4V2 IS 3431 60Cr4V2
Core Hardness After Quenching >=54 HRC (oil, up to 25 mm round / 16 mm flat) >=54 HRC (oil, up to 40 mm round / 25 mm flat)
Elongation (quenched and tempered) >=6% >=6%
Hardness, soft annealed <=245 HB <=255 HB
Hardness, untreated (hot rolled) above 310 HB (reference value) above 310 HB (reference value)
Tensile Strength (quenched and tempered) 1370-1620 MPa 1370-1620 MPa
Yield Stress (quenched and tempered) >=1180 MPa >=1180 MPa
Typical Applications
IS 3431 50Cr4V2
valve springs,high performance automotive springs,aerospace springs,coil springs,torsion bars
IS 3431 60Cr4V2
Volute, helical and laminated springs for automotive suspension; hot-rolled (also centreless ground or precision) bars and flats (clause 1.1)
Can IS 3431 50Cr4V2 Be Substituted With IS 3431 60Cr4V2?
IS 3431 50Cr4V2 and IS 3431 60Cr4V2 overlap closely enough on chemistry and mechanical properties that IS 3431 60Cr4V2 is often considered as a substitute for IS 3431 50Cr4V2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
IS 3431 50Cr4V2
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6700–7000 mm (263.78–275.59 in)
IS 3431 60Cr4V2
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On M-EX Right Now
IS 3431 50Cr4V2
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IS 3431 60Cr4V2
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Frequently Asked Questions
What is the difference between IS 3431 50Cr4V2 and IS 3431 60Cr4V2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 3431 50Cr4V2 be substituted with IS 3431 60Cr4V2?
IS 3431 50Cr4V2 and IS 3431 60Cr4V2 overlap closely enough on chemistry and mechanical properties that IS 3431 60Cr4V2 is often considered as a substitute for IS 3431 50Cr4V2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.