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BS 970 EN4A vs IS 11169 (Part 1) 30C8

Strong Match — 86.7% match based on chemical composition and mechanical property overlap.

BS 970 EN4A (BS 970:1955) and IS 11169 (Part 1) 30C8 (IS 11169 (Part 1):1984) are both steel grades. Both fall under the Carbon Steel category. BS 970 EN4A is typically used for bright bars for machining. (as altered feb. 1955), while IS 11169 (Part 1) 30C8 is commonly used for cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1). BS 970 EN4A is defined under British Standards (BS), originating from United Kingdom, while IS 11169 (Part 1) 30C8 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN4A vs IS 11169 (Part 1) 30C8 is a 86.7% 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 86.7%.

Frequently Compared With BS 970 EN4A:
BS 970 (Part 1) 040A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 070M20 BS 970 (Part 3) 045M10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 060A32 BS 970 (Part 1) 060A40
Match Breakdown
CHEMISTRY MATCH
86.7%
MECHANICAL MATCH
No shared data
OVERALL
86.7%
Specifications
Property BS 970 EN4A IS 11169 (Part 1) 30C8
Standard BS 970:1955 IS 11169 (Part 1):1984
Category Carbon Steel Carbon Steel
C (%) <=0.30 0.25-0.35
Si (%) 0.05-0.35 0.10-0.35
Mn (%) <=1.00 0.60-0.90
S (%) <=0.060 Not specified
P (%) <=0.060 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 BS 970 EN4A IS 11169 (Part 1) 30C8
Tensile Strength 494-649 MPa (32-42 tons/sq in, converted) Not specified
Elongation ≥12% Not specified
Condition , ruling section 2 in (lowest-strength condition of the standard) Not specified
Hardness, annealed Not specified <=160 HB
Typical Applications
BS 970 EN4A
Bright bars for machining. (As altered Feb. 1955)
IS 11169 (Part 1) 30C8
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
Key Differences
Can BS 970 EN4A Be Substituted With IS 11169 (Part 1) 30C8?
BS 970 EN4A and IS 11169 (Part 1) 30C8 overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 30C8 is often considered as a substitute for BS 970 EN4A 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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BS 970 EN4A
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IS 11169 (Part 1) 30C8
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Frequently Asked Questions
What is the difference between BS 970 EN4A and IS 11169 (Part 1) 30C8?
BS 970 EN4A specifies S, P which are not specified for IS 11169 (Part 1) 30C8.
Can BS 970 EN4A be substituted with IS 11169 (Part 1) 30C8?
BS 970 EN4A and IS 11169 (Part 1) 30C8 overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 30C8 is often considered as a substitute for BS 970 EN4A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.