IS 11169 (Part 1) 27C15 vs IS 11169 (Part 1) 37C15

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

IS 11169 (Part 1) 27C15 (IS 11169 (Part 1):1984) and IS 11169 (Part 1) 37C15 (IS 11169 (Part 1):1984) are both steel grades. Both fall under the Carbon Steel category. IS 11169 (Part 1) 27C15 is typically used for manganese case-hardening steel; used for gears, shafts, and machine components requiring case hardening where higher core strength than plain carbon grades is needed, while IS 11169 (Part 1) 37C15 is commonly used for cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1). IS 11169 (Part 1) 27C15 is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 37C15 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 11169 (Part 1) 27C15 vs IS 11169 (Part 1) 37C15 is a 91.4% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 94.3%.

Frequently Compared With IS 11169 (Part 1) 27C15:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 3) 045M10 BS 970 (Part 1) 055M15 BS 970 (Part 1) 040A04 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045M10
Match Breakdown
CHEMISTRY MATCH
91.4%
MECHANICAL MATCH
100%
OVERALL
94.3%
Specifications
Property IS 11169 (Part 1) 27C15 IS 11169 (Part 1) 37C15
Standard IS 11169 (Part 1):1984 IS 11169 (Part 1):1984
Category Carbon Steel Carbon Steel
C (%) 0.22-0.32 0.32-0.42
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) 27C15 IS 11169 (Part 1) 37C15
Hardness, annealed <=190 HB <=190 HB
Typical Applications
IS 11169 (Part 1) 27C15
Manganese case-hardening steel; used for gears, shafts, and machine components requiring case hardening where higher core strength than plain carbon grades is needed
IS 11169 (Part 1) 37C15
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
Can IS 11169 (Part 1) 27C15 Be Substituted With IS 11169 (Part 1) 37C15?
IS 11169 (Part 1) 27C15 and IS 11169 (Part 1) 37C15 overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 37C15 is often considered as a substitute for IS 11169 (Part 1) 27C15 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 11169 (Part 1) 27C15
Round Bar → (2 listings)
Diameter: 40–40 mm (1.57–1.57 in)
Length: 5600–5700 mm (220.47–224.41 in)
IS 11169 (Part 1) 37C15
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On M-EX Right Now
IS 11169 (Part 1) 27C15
2 active listings and RFQs →
IS 11169 (Part 1) 37C15
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 27C15 and IS 11169 (Part 1) 37C15?
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) 27C15 be substituted with IS 11169 (Part 1) 37C15?
IS 11169 (Part 1) 27C15 and IS 11169 (Part 1) 37C15 overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 37C15 is often considered as a substitute for IS 11169 (Part 1) 27C15 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.