IS 3431 50Cr4V2 vs IS 3431 60Si7

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

IS 3431 50Cr4V2 (IS 3431:1982) and IS 3431 60Si7 (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 60Si7 is commonly used for heavy duty leaf springs,suspension springs,automotive springs,railway springs,high stress spring components. IS 3431 50Cr4V2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 3431 60Si7 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 3431 50Cr4V2 vs IS 3431 60Si7 is a 63.9% match. As per mechanical properties, the match is 88.9%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 3431 50Cr4V2:
EN 10089 50CrV4 EN 10083-3 51CrV4 IS 3431 60Cr4V2 EN 10083-1 51CrV4 IS 3195 50Cr4V2 IS 3195 55Si7 IS 3195 60Cr4V2 IS 3195 113C6 IS 3195 52Cr4Mo2V IS 3431 55Si7 EN 10083-1 51CrV4 IS 3195 98C6
Match Breakdown
CHEMISTRY MATCH
63.9%
MECHANICAL MATCH
88.9%
OVERALL
35%
Specifications
Property IS 3431 50Cr4V2 IS 3431 60Si7
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 Not specified
Mn (%) 0.50-0.80 0.80-1.00
P (%) <=0.045 <=0.045
S (%) <=0.045 <=0.045
Si (%) 0.15-0.35 1.50-2.00
V (%) 0.15-0.30 Not specified
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 60Si7
Core Hardness After Quenching >=54 HRC (oil, up to 25 mm round / 16 mm flat) >=54 HRC (oil, up to 20 mm round / 16 mm flat)
Elongation (quenched and tempered) >=6% >=6%
Hardness, soft annealed <=245 HB <=255 HB
Hardness, untreated (hot rolled) above 310 HB (reference value) about 310 HB (reference value)
Tensile Strength (quenched and tempered) 1370-1620 MPa 1320-1570 MPa
Yield Stress (quenched and tempered) >=1180 MPa >=1130 MPa
Typical Applications
IS 3431 50Cr4V2
valve springs,high performance automotive springs,aerospace springs,coil springs,torsion bars
IS 3431 60Si7
heavy duty leaf springs,suspension springs,automotive springs,railway springs,high stress spring components
Key Differences
Can IS 3431 50Cr4V2 Be Substituted With IS 3431 60Si7?
IS 3431 50Cr4V2 and IS 3431 60Si7 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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 60Si7
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5700–6200 mm (224.41–244.09 in)
On M-EX Right Now
IS 3431 50Cr4V2
2 active listings and RFQs →
IS 3431 60Si7
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 3431 50Cr4V2 and IS 3431 60Si7?
IS 3431 50Cr4V2 specifies Cr, V which are not specified for IS 3431 60Si7.
Can IS 3431 50Cr4V2 be substituted with IS 3431 60Si7?
IS 3431 50Cr4V2 and IS 3431 60Si7 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.