Post Stock Login Register

IS 3431 50Cr4V2 vs BS 970 EN48A

Related Material — 68.9% match based on chemical composition and mechanical property overlap.

IS 3431 50Cr4V2 (IS 3431:1982) and BS 970 EN48A (BS 970:1955) 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 BS 970 EN48A is commonly used for bars for oil hardening and tempering. laminated spring plates to this specification shall conform to the dimensional requirements in appendix c.. IS 3431 50Cr4V2 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 EN48A is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 3431 50Cr4V2 vs BS 970 EN48A is a 68.9% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 68.9%.

Frequently Compared With IS 3431 50Cr4V2:
EN 10089 50CrV4 EN 10083-3 51CrV4 IS 3431 60Cr4V2 IS 3195 50Cr4V2 IS 3195 55Si7 IS 3195 60Cr4V2 EN 10083-1 51CrV4 IS 3195 113C6 IS 3195 52Cr4Mo2V IS 3431 60Si7 EN 10083-1 51CrV4 IS 3431 55Si7
Match Breakdown
CHEMISTRY MATCH
68.9%
MECHANICAL MATCH
No shared data
OVERALL
68.9%
Specifications
Property IS 3431 50Cr4V2 BS 970 EN48A
Standard IS 3431:1982 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.45-0.55 0.50-0.60
Cr (%) 0.90-1.20 0.55-0.85
Mn (%) 0.50-0.80 0.60-0.90
P (%) <=0.045 <=0.050
S (%) <=0.045 <=0.050
Si (%) 0.15-0.35 1.35-1.65
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 BS 970 EN48A
Core Hardness After Quenching >=54 HRC (oil, up to 25 mm round / 16 mm flat) Not specified
Elongation (quenched and tempered) >=6% Not specified
Hardness, soft annealed <=245 HB Not specified
Hardness, untreated (hot rolled) above 310 HB (reference value) Not specified
Tensile Strength (quenched and tempered) 1370-1620 MPa Not specified
Yield Stress (quenched and tempered) >=1180 MPa Not specified
Typical Applications
IS 3431 50Cr4V2
valve springs,high performance automotive springs,aerospace springs,coil springs,torsion bars
BS 970 EN48A
Bars for oil hardening and tempering. Laminated spring plates to this specification shall conform to the dimensional requirements in Appendix C.
Key Differences
Can IS 3431 50Cr4V2 Be Substituted With BS 970 EN48A?
IS 3431 50Cr4V2 and BS 970 EN48A 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)
BS 970 EN48A
No active listings currently.
On M-EX Right Now
IS 3431 50Cr4V2
2 active listings and RFQs →
BS 970 EN48A
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 3431 50Cr4V2 and BS 970 EN48A?
IS 3431 50Cr4V2 specifies V which is not specified for BS 970 EN48A.
Can IS 3431 50Cr4V2 be substituted with BS 970 EN48A?
IS 3431 50Cr4V2 and BS 970 EN48A 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.