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IS 11169 (Part 1) 20C15 vs IS 1570 (Part 4) 11C15

Strong Match — 91.4% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 20C15 (IS 11169 (Part 1):1984) and IS 1570 (Part 4) 11C15 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Carbon Steel category. IS 11169 (Part 1) 20C15 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 11C15 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 20C15 vs IS 1570 (Part 4) 11C15 is a 91.4% 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 91.4%.

Frequently Compared With IS 11169 (Part 1) 20C15:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 3) 045A10 BS 970 (Part 3) 045M10 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 3) 070M20 BS 970 (Part 1) 040A04 BS 970 (Part 1) 040A12 BS 970 (Part 1) 055M15 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
91.4%
MECHANICAL MATCH
No shared data
OVERALL
91.4%
Specifications
Property IS 11169 (Part 1) 20C15 IS 1570 (Part 4) 11C15
Standard IS 11169 (Part 1):1984 IS 1570 (Part 4):1988
Category Carbon Steel Carbon Steel
C (%) 0.16-0.24 <=0.16
Mn (%) 1.30-1.70 1.30-1.70
Si (%) 0.10-0.35 0.10-0.35
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 11169 (Part 1) 20C15 IS 1570 (Part 4) 11C15
Hardness, annealed <=170 HB Not specified
Tensile Strength Not specified 460-560 MPa
Yield Strength Not specified >=270 MPa (0.2 % proof stress, if specified)
Elongation Not specified >=26%
Condition Not specified Hot rolled or normalized, limiting ruling section 100 mm
Typical Applications
IS 11169 (Part 1) 20C15
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
IS 1570 (Part 4) 11C15
Not documented
Can IS 11169 (Part 1) 20C15 Be Substituted With IS 1570 (Part 4) 11C15?
IS 11169 (Part 1) 20C15 and IS 1570 (Part 4) 11C15 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 11C15 is often considered as a substitute for IS 11169 (Part 1) 20C15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 11169 (Part 1) 20C15
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IS 1570 (Part 4) 11C15
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 20C15 and IS 1570 (Part 4) 11C15?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 11169 (Part 1) 20C15 be substituted with IS 1570 (Part 4) 11C15?
IS 11169 (Part 1) 20C15 and IS 1570 (Part 4) 11C15 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 11C15 is often considered as a substitute for IS 11169 (Part 1) 20C15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.