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IS 5517 30C8 vs BS 970 EN5A

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

IS 5517 30C8 (IS 5517:1993) and BS 970 EN5A (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 EN5A is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 5517 30C8 vs BS 970 EN5A 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 EN5A
Standard IS 5517:1993 BS 970:1955
Category Carbon Steel Carbon Steel
C (%) 0.25-0.35 0.25-0.30
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 EN5A
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 EN5A
Axles, crankshafts, connecting rods
Can IS 5517 30C8 Be Substituted With BS 970 EN5A?
IS 5517 30C8 and BS 970 EN5A overlap closely enough on chemistry and mechanical properties that BS 970 EN5A 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.
Forms & Sizes Available on M-EX
IS 5517 30C8
No active listings currently.
BS 970 EN5A
Round Bar → (3 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 6200–6800 mm (244.09–267.72 in)
On M-EX Right Now
IS 5517 30C8
0 active listings and RFQs →
BS 970 EN5A
3 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 5517 30C8 and BS 970 EN5A?
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 EN5A?
IS 5517 30C8 and BS 970 EN5A overlap closely enough on chemistry and mechanical properties that BS 970 EN5A 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.