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IS 1570 (Part 2/Sec 1) 55C4 vs IS 1570 (Part 2/Sec 1) 55C8

Strong Match — 94.3% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 2/Sec 1) 55C4 (IS 1570 (Part 2/Sec 1):1979) and IS 1570 (Part 2/Sec 1) 55C8 (IS 1570 (Part 2/Sec 1):1979) 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 IS 1570 (Part 2/Sec 1) 55C8 is commonly used for billets and bars for forgings, forged steel rolls, hardened and tempered parts and engine valves (the standard links this grade to is 1875, is 3445, is 5517, is 7494). IS 1570 (Part 2/Sec 1) 55C4 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 2/Sec 1) 55C8 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 2/Sec 1) 55C4 vs IS 1570 (Part 2/Sec 1) 55C8 is a 94.3% 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 94.3%.

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) 045M10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 060A32
Match Breakdown
CHEMISTRY MATCH
94.3%
MECHANICAL MATCH
No shared data
OVERALL
94.3%
Specifications
Property IS 1570 (Part 2/Sec 1) 55C4 IS 1570 (Part 2/Sec 1) 55C8
Standard IS 1570 (Part 2/Sec 1):1979 IS 1570 (Part 2/Sec 1):1979
Category Carbon Steel Carbon Steel
C (%) 0.50-0.60 0.50-0.60
Mn (%) 0.30-0.60 0.60-0.90
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) 55C4 IS 1570 (Part 2/Sec 1) 55C8
Tensile Strength Not specified >=720 MPa
Elongation Not specified >=13%
Typical Applications
IS 1570 (Part 2/Sec 1) 55C4
springs, knives, hand tools, agricultural tools, wear-resistant parts
IS 1570 (Part 2/Sec 1) 55C8
Billets and bars for forgings, forged steel rolls, hardened and tempered parts and engine valves (the standard links this grade to IS 1875, IS 3445, IS 5517, IS 7494)
Can IS 1570 (Part 2/Sec 1) 55C4 Be Substituted With IS 1570 (Part 2/Sec 1) 55C8?
IS 1570 (Part 2/Sec 1) 55C4 and IS 1570 (Part 2/Sec 1) 55C8 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 2/Sec 1) 55C8 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)
IS 1570 (Part 2/Sec 1) 55C8
No active listings currently.
On M-EX Right Now
IS 1570 (Part 2/Sec 1) 55C4
2 active listings and RFQs →
IS 1570 (Part 2/Sec 1) 55C8
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 2/Sec 1) 55C4 and IS 1570 (Part 2/Sec 1) 55C8?
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 IS 1570 (Part 2/Sec 1) 55C8?
IS 1570 (Part 2/Sec 1) 55C4 and IS 1570 (Part 2/Sec 1) 55C8 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 2/Sec 1) 55C8 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.