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IS 5517 55C8 vs BS 970 EN43C

Strong Match — 89.5% match based on chemical composition and mechanical property overlap.

IS 5517 55C8 (IS 5517:1993) and BS 970 EN43C (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. IS 5517 55C8 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 EN43C is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 5517 55C8 vs BS 970 EN43C is a 89.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 89.5%.

Frequently Compared With IS 5517 55C8:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 070M55 BS 970 (Part 1) 040A04 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15
Match Breakdown
CHEMISTRY MATCH
89.5%
MECHANICAL MATCH
No shared data
OVERALL
89.5%
Specifications
Property IS 5517 55C8 BS 970 EN43C
Standard IS 5517:1993 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) 0.50-0.60 0.50-0.55
Si (%) 0.10-0.35 0.05-0.35
Mn (%) 0.60-0.90 0.70-1.00
S (%) <=0.035 <=0.060
P (%) <=0.035 <=0.060
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 55C8 BS 970 EN43C
Tensile Strength 700-850 MPa Not specified
Yield Strength (0.2% proof) 460 MPa min Not specified
Elongation >=15% Not specified
Hardness (annealed) <=220 HB Not specified
Condition Hardened and tempered, ruling section up to 63 mm Not specified
Can IS 5517 55C8 Be Substituted With BS 970 EN43C?
IS 5517 55C8 and BS 970 EN43C overlap closely enough on chemistry and mechanical properties that BS 970 EN43C is often considered as a substitute for IS 5517 55C8 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 5517 55C8
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BS 970 EN43C
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Frequently Asked Questions
What is the difference between IS 5517 55C8 and BS 970 EN43C?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 5517 55C8 be substituted with BS 970 EN43C?
IS 5517 55C8 and BS 970 EN43C overlap closely enough on chemistry and mechanical properties that BS 970 EN43C is often considered as a substitute for IS 5517 55C8 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.