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IS 5517 55Cr3 vs BS 970 EN48A

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 5517 55Cr3 (IS 5517:1993) and BS 970 EN48A (BS 970:1955) are both steel grades. Both fall under the Spring Steel category. IS 5517 55Cr3 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 5517 55Cr3 vs BS 970 EN48A is a 85.4% 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 69.9%.

Frequently Compared With IS 5517 55Cr3:
IS 3195 50Cr4V2 EN 10083-1 51CrV4 IS 4367 55Si7 IS 3195 55Si7 EN 10089 50CrV4 EN 10083-3 51CrV4 IS 3195 52Cr4Mo2V IS 3431 60Cr4V2 IS 3195 113C6 GB/T 1222 55CrMnA IS 3195 98C6 EN 10089 55Cr3
Match Breakdown
CHEMISTRY MATCH
85.4%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 5517 55Cr3 BS 970 EN48A
Standard IS 5517:1993 BS 970:1955
Category Spring Steel Spring Steel
C (%) 0.50-0.60 0.50-0.60
Si (%) 0.10-0.35 1.35-1.65
Mn (%) 0.60-0.80 0.60-0.90
Cr (%) 0.60-0.80 0.55-0.85
S (%) <=0.035 <=0.050
P (%) <=0.035 <=0.050
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 5517 55Cr3 BS 970 EN48A
Tensile Strength 900-1050 MPa Not specified
Yield Strength (0.2% proof) 660 MPa min Not specified
Elongation >=12% Not specified
Izod Impact 35 J min Not specified
Hardness (annealed) <=220 HB Not specified
Condition Hardened and tempered, ruling section up to 63 mm Not specified
Typical Applications
IS 5517 55Cr3
Not documented
BS 970 EN48A
Bars for oil hardening and tempering. Laminated spring plates to this specification shall conform to the dimensional requirements in Appendix C.
Can IS 5517 55Cr3 Be Substituted With BS 970 EN48A?
IS 5517 55Cr3 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.
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IS 5517 55Cr3
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BS 970 EN48A
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Frequently Asked Questions
What is the difference between IS 5517 55Cr3 and BS 970 EN48A?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 5517 55Cr3 be substituted with BS 970 EN48A?
IS 5517 55Cr3 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.