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IS 1570 C45 vs BS 970 (Part 3) 080A42

Strong Match — 90.8% match based on chemical composition and mechanical property overlap.

IS 1570 C45 (IS 1570:1961) and BS 970 (Part 3) 080A42 (BS 970 (Part 3):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 3) 080A42 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; carbon and carbon manganese steel (table 13). IS 1570 C45 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 080A42 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 C45 vs BS 970 (Part 3) 080A42 is a 90.8% 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 90.8%.

Frequently Compared With IS 1570 C45:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 045A10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045M10 BS 970 (Part 1) 040A12 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
90.8%
MECHANICAL MATCH
No shared data
OVERALL
90.8%
Specifications
Property IS 1570 C45 BS 970 (Part 3) 080A42
Standard IS 1570:1961 BS 970 (Part 3):1991
Category Carbon Steel Carbon Steel
C (%) 0.40-0.50 0.40-0.45
Mn (%) 0.60-0.90 0.70-0.90
Si (%) 0.15-0.35 0.10-0.40
S (%) <=0.04 <=0.05
P (%) <=0.04 <=0.05
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 3) 080A42
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 3) 080A42
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; carbon and carbon manganese steel (Table 13)
Can IS 1570 C45 Be Substituted With BS 970 (Part 3) 080A42?
IS 1570 C45 and BS 970 (Part 3) 080A42 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 080A42 is often considered as a substitute for IS 1570 C45 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 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 3) 080A42
No active listings currently.
On M-EX Right Now
IS 1570 C45
24 active listings and RFQs →
BS 970 (Part 3) 080A42
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Frequently Asked Questions
What is the difference between IS 1570 C45 and BS 970 (Part 3) 080A42?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 C45 be substituted with BS 970 (Part 3) 080A42?
IS 1570 C45 and BS 970 (Part 3) 080A42 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 080A42 is often considered as a substitute for IS 1570 C45 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.