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IS 1570 (Part 2/Sec 1) 55C4 vs BS 970 (Part 3) 070M55

Strong Match — 89.5% 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 3) 070M55 (BS 970 (Part 3):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 3) 070M55 is commonly used for used for springs, blades, wear plates, hand tools, shafts, and cutting components.. IS 1570 (Part 2/Sec 1) 55C4 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 070M55 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 3) 070M55 is a 89.5% 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 89.5%.

Frequently Compared With IS 1570 (Part 2/Sec 1) 55C4:
BS 970 (Part 1) 080A20 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
89.5%
MECHANICAL MATCH
No shared data
OVERALL
89.5%
Specifications
Property IS 1570 (Part 2/Sec 1) 55C4 BS 970 (Part 3) 070M55
Standard IS 1570 (Part 2/Sec 1):1979 BS 970 (Part 3):1991
Category Carbon Steel Carbon Steel
C (%) 0.50-0.60 0.50-0.60
Mn (%) 0.30-0.60 0.50-0.90
Si (%) Not specified 0.10-0.40
P (%) Not specified <=0.05
S (%) Not specified <=0.05
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 3) 070M55
Used for springs, blades, wear plates, hand tools, shafts, and cutting components.
Key Differences
Can IS 1570 (Part 2/Sec 1) 55C4 Be Substituted With BS 970 (Part 3) 070M55?
IS 1570 (Part 2/Sec 1) 55C4 and BS 970 (Part 3) 070M55 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 070M55 is often considered as a substitute for IS 1570 (Part 2/Sec 1) 55C4 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) 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 3) 070M55
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 4800–5800 mm (188.98–228.35 in)
On M-EX Right Now
IS 1570 (Part 2/Sec 1) 55C4
2 active listings and RFQs →
BS 970 (Part 3) 070M55
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 2/Sec 1) 55C4 and BS 970 (Part 3) 070M55?
BS 970 (Part 3) 070M55 specifies Si, P, S which are not specified for IS 1570 (Part 2/Sec 1) 55C4.
Can IS 1570 (Part 2/Sec 1) 55C4 be substituted with BS 970 (Part 3) 070M55?
IS 1570 (Part 2/Sec 1) 55C4 and BS 970 (Part 3) 070M55 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 3) 070M55 is often considered as a substitute for IS 1570 (Part 2/Sec 1) 55C4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.