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IS 5517 30C8 vs BS 970 EN5C

Strong Match — 90.5% match based on chemical composition and mechanical property overlap.

IS 5517 30C8 (IS 5517:1993) and BS 970 EN5C (BS 970:1955) are both steel grades. Both fall under the Carbon Steel category. IS 5517 30C8 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 EN5C is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 5517 30C8 vs BS 970 EN5C is a 90.5% 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 90.5%.

Frequently Compared With IS 5517 30C8:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 040A12 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
90.5%
MECHANICAL MATCH
No shared data
OVERALL
90.5%
Specifications
Property IS 5517 30C8 BS 970 EN5C
Standard IS 5517:1993 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) 0.25-0.35 0.30-0.35
Si (%) 0.10-0.35 0.05-0.35
Mn (%) 0.60-0.90 0.70-0.90
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 30C8 BS 970 EN5C
Tensile Strength 600-750 MPa Not specified
Yield Strength (0.2% proof) 400 MPa min Not specified
Elongation >=18% Not specified
Izod Impact 55 J min Not specified
Hardness (annealed) <=187 HB Not specified
Condition Hardened and tempered, ruling section up to 30 mm Not specified
Typical Applications
IS 5517 30C8
Not documented
BS 970 EN5C
Mechanical properties are not part of the contractual obligations of specifications En 5A, En 5B and En 5C.
Can IS 5517 30C8 Be Substituted With BS 970 EN5C?
IS 5517 30C8 and BS 970 EN5C overlap closely enough on chemistry and mechanical properties that BS 970 EN5C is often considered as a substitute for IS 5517 30C8 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 30C8
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BS 970 EN5C
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Frequently Asked Questions
What is the difference between IS 5517 30C8 and BS 970 EN5C?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 5517 30C8 be substituted with BS 970 EN5C?
IS 5517 30C8 and BS 970 EN5C overlap closely enough on chemistry and mechanical properties that BS 970 EN5C is often considered as a substitute for IS 5517 30C8 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.