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IS 11169 (Part 1) 30C7 vs BS 970 (Part 1) 040A12

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

IS 11169 (Part 1) 30C7 (IS 11169 (Part 1):2022) and BS 970 (Part 1) 040A12 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. IS 11169 (Part 1) 30C7 is typically used for cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex c), while BS 970 (Part 1) 040A12 is commonly used for as-rolled, or as-rolled and softened, steel (section two). IS 11169 (Part 1) 30C7 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 040A12 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 30C7 vs BS 970 (Part 1) 040A12 is a 75.8% 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 11169 (Part 1) 30C7:
BS 970 (Part 1) 080A20 BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 040A04
Match Breakdown
CHEMISTRY MATCH
75.8%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 11169 (Part 1) 30C7 BS 970 (Part 1) 040A12
Standard IS 11169 (Part 1):2022 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.27-0.33 0.10-0.15
Cu (%) <=0.25 Not specified
Mn (%) 0.50-0.80 0.30-0.50
P (%) <=0.025 Not specified
S (%) <=0.025 Not specified
Si (%) <=0.30 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 IS 11169 (Part 1) 30C7 BS 970 (Part 1) 040A12
Tensile Strength, annealed (+AC) <=590 MPa (over 10 to 40 mm) Not specified
Typical Applications
IS 11169 (Part 1) 30C7
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
BS 970 (Part 1) 040A12
As-rolled, or as-rolled and softened, steel (section two)
Key Differences
Can IS 11169 (Part 1) 30C7 Be Substituted With BS 970 (Part 1) 040A12?
IS 11169 (Part 1) 30C7 and BS 970 (Part 1) 040A12 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 11169 (Part 1) 30C7
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BS 970 (Part 1) 040A12
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 30C7 and BS 970 (Part 1) 040A12?
IS 11169 (Part 1) 30C7 specifies Cu, P, S, Si which are not specified for BS 970 (Part 1) 040A12.
Can IS 11169 (Part 1) 30C7 be substituted with BS 970 (Part 1) 040A12?
IS 11169 (Part 1) 30C7 and BS 970 (Part 1) 040A12 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.