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IS 1570 (Part 2/Sec 1) 55C4 vs BS 970 (Part 1) 080A20

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

IS 1570 (Part 2/Sec 1) 55C4 (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) 55C4 is typically used for springs, knives, hand tools, agricultural tools, wear-resistant parts, 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) 55C4 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) 55C4 vs BS 970 (Part 1) 080A20 is a 85.7% 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 (Part 2/Sec 1) 55C4:
BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A10 BS 970 (Part 1) 060A57 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 1) 070M55 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 060A32
Match Breakdown
CHEMISTRY MATCH
85.7%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 (Part 2/Sec 1) 55C4 BS 970 (Part 1) 080A20
Standard IS 1570 (Part 2/Sec 1):1979 BS 970 (Part 1):1991
Category Carbon Steel Carbon Steel
C (%) 0.50-0.60 0.18-0.23
Mn (%) 0.30-0.60 0.70-0.90
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
IS 1570 (Part 2/Sec 1) 55C4
springs, knives, hand tools, agricultural tools, wear-resistant parts
BS 970 (Part 1) 080A20
Used for nuts, bolts, hydraulic fittings, precision turned parts, sleeves, and couplings.
Can IS 1570 (Part 2/Sec 1) 55C4 Be Substituted With BS 970 (Part 1) 080A20?
IS 1570 (Part 2/Sec 1) 55C4 and BS 970 (Part 1) 080A20 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 (Part 2/Sec 1) 55C4
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5300–6600 mm (208.66–259.84 in)
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) 55C4
2 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) 55C4 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) 55C4 be substituted with BS 970 (Part 1) 080A20?
IS 1570 (Part 2/Sec 1) 55C4 and BS 970 (Part 1) 080A20 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.