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IS 1570 (Part 2/Sec 1) 25C8 vs BS 970 (Part 1) 080A20

Strong Match — 91.7% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 2/Sec 1) 25C8 (IS 1570 (Part 2/Sec 1):1979) and BS 970 (Part 1) 080A20 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Carbon Steel category. IS 1570 (Part 2/Sec 1) 25C8 is typically used for billets and bars for forgings, carbon steel forgings, flame and induction hardened parts, hardened and tempered parts and welded round link chains (the standard links this grade to is 1875, is 2004, is 3930, is 5517, is 6967), while BS 970 (Part 1) 080A20 is commonly used for used for nuts, bolts, hydraulic fittings, precision turned parts, sleeves, and couplings.. IS 1570 (Part 2/Sec 1) 25C8 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 080A20 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 1570 (Part 2/Sec 1) 25C8 vs BS 970 (Part 1) 080A20 is a 91.7% 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 91.7%.

Frequently Compared With IS 1570 (Part 2/Sec 1) 25C8:
BS 970 (Part 1) 070M26 BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 3) 045M10 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10
Match Breakdown
CHEMISTRY MATCH
91.7%
MECHANICAL MATCH
No shared data
OVERALL
91.7%
Specifications
Property IS 1570 (Part 2/Sec 1) 25C8 BS 970 (Part 1) 080A20
Standard IS 1570 (Part 2/Sec 1):1979 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.20-0.30 0.18-0.23
Mn (%) 0.60-0.90 0.70-0.90
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 (Part 2/Sec 1) 25C8 BS 970 (Part 1) 080A20
Tensile Strength 470-570 MPa Not specified
Elongation >=22% Not specified
Typical Applications
IS 1570 (Part 2/Sec 1) 25C8
Billets and bars for forgings, carbon steel forgings, flame and induction hardened parts, hardened and tempered parts and welded round link chains (the standard links this grade to IS 1875, IS 2004, IS 3930, IS 5517, IS 6967)
BS 970 (Part 1) 080A20
Used for nuts, bolts, hydraulic fittings, precision turned parts, sleeves, and couplings.
Can IS 1570 (Part 2/Sec 1) 25C8 Be Substituted With BS 970 (Part 1) 080A20?
IS 1570 (Part 2/Sec 1) 25C8 and BS 970 (Part 1) 080A20 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 080A20 is often considered as a substitute for IS 1570 (Part 2/Sec 1) 25C8 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 (Part 2/Sec 1) 25C8
No active listings currently.
BS 970 (Part 1) 080A20
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4800–6600 mm (188.98–259.84 in)
On M-EX Right Now
IS 1570 (Part 2/Sec 1) 25C8
0 active listings and RFQs →
BS 970 (Part 1) 080A20
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 2/Sec 1) 25C8 and BS 970 (Part 1) 080A20?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 2/Sec 1) 25C8 be substituted with BS 970 (Part 1) 080A20?
IS 1570 (Part 2/Sec 1) 25C8 and BS 970 (Part 1) 080A20 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 080A20 is often considered as a substitute for IS 1570 (Part 2/Sec 1) 25C8 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.