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IS 1570 C45 vs BS 970 (Part 1) 040A12

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

IS 1570 C45 (IS 1570:1961) and BS 970 (Part 1) 040A12 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. IS 1570 C45 is typically used for shafts, gears, studs, bolts, axles, rollers, machinery parts, while BS 970 (Part 1) 040A12 is commonly used for as-rolled, or as-rolled and softened, steel (section two). IS 1570 C45 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 1570 C45 vs BS 970 (Part 1) 040A12 is a 78.9% 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 1570 C45:
BS 970 (Part 1) 040A10 BS 970 (Part 1) 080A20 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045A10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
78.9%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 C45 BS 970 (Part 1) 040A12
Standard IS 1570:1961 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.40-0.50 0.10-0.15
Mn (%) 0.60-0.90 0.30-0.50
Si (%) 0.15-0.35 Not specified
S (%) <=0.04 Not specified
P (%) <=0.04 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 1570 C45 BS 970 (Part 1) 040A12
Tensile Strength 630-710 MPa Not specified
Yield Strength >=347 MPa Not specified
Elongation >=15% Not specified
Hardness 170-229 HB Not specified
Typical Applications
IS 1570 C45
shafts, gears, studs, bolts, axles, rollers, machinery parts
BS 970 (Part 1) 040A12
As-rolled, or as-rolled and softened, steel (section two)
Key Differences
Can IS 1570 C45 Be Substituted With BS 970 (Part 1) 040A12?
IS 1570 C45 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.
Forms & Sizes Available on M-EX
IS 1570 C45
Round Bar → (24 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4500–6900 mm (177.17–271.65 in)
BS 970 (Part 1) 040A12
No active listings currently.
On M-EX Right Now
IS 1570 C45
24 active listings and RFQs →
BS 970 (Part 1) 040A12
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 C45 and BS 970 (Part 1) 040A12?
IS 1570 C45 specifies Si, S, P which are not specified for BS 970 (Part 1) 040A12.
Can IS 1570 C45 be substituted with BS 970 (Part 1) 040A12?
IS 1570 C45 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.