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IS 11169 (Part 1) 27C15 vs BS 970 EN36B

Related Material — 65% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 27C15 (IS 11169 (Part 1):2022) and BS 970 EN36B (BS 970:1955) are both steel grades. IS 11169 (Part 1) 27C15 is classified under Carbon Steel, while BS 970 EN36B is classified under Alloy Steel — a different category, which is worth noting alongside the chemistry match below. IS 11169 (Part 1) 27C15 is typically used for cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex c), while BS 970 EN36B is commonly used for case hardened gears and heavily loaded components. IS 11169 (Part 1) 27C15 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 EN36B is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 27C15 vs BS 970 EN36B is a 65% 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 65%.

Frequently Compared With IS 11169 (Part 1) 27C15:
BS 970 (Part 1) 040A10 BS 970 (Part 3) 070M55 BS 970 (Part 1) 040A04 BS 970 (Part 1) 055M15 BS 970 (Part 1) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 040A12 BS 970 (Part 1) 045A10 BS 970 (Part 3) 045A10 BS 970 (Part 1) 045M10 BS 970 (Part 1) 060A32 BS 970 (Part 3) 045M10
Match Breakdown
CHEMISTRY MATCH
65%
MECHANICAL MATCH
No shared data
OVERALL
65%
Specifications
Property IS 11169 (Part 1) 27C15 BS 970 EN36B
Standard IS 11169 (Part 1):2022 BS 970:1955
Category Carbon Steel Alloy Steel
C (%) 0.22-0.32 0.12-0.18
Cr (%) <=0.15 0.60-1.10
Cu (%) <=0.15 Not specified
Mn (%) 1.30-1.70 0.30-0.60
Mo (%) <=0.05 Not specified
Ni (%) <=0.15 3.00-3.75
P (%) <=0.035 <=0.050
S (%) <=0.035 <=0.050
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 BS 970 EN36B
Hardness, annealed (+AC) <=190 HBW Not specified
Tensile Strength Not specified ≥1004 MPa (65 tons/sq in, converted)
Elongation Not specified ≥13%
Condition Not specified Core, after heat treatment (lowest-strength condition of the standard)
Typical Applications
IS 11169 (Part 1) 27C15
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
BS 970 EN36B
Case hardened gears and heavily loaded components
Key Differences
Can IS 11169 (Part 1) 27C15 Be Substituted With BS 970 EN36B?
IS 11169 (Part 1) 27C15 and BS 970 EN36B 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 11169 (Part 1) 27C15
No active listings currently.
BS 970 EN36B
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 4800–5800 mm (188.98–228.35 in)
On M-EX Right Now
IS 11169 (Part 1) 27C15
0 active listings and RFQs →
BS 970 EN36B
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 27C15 and BS 970 EN36B?
Different category: IS 11169 (Part 1) 27C15 is Carbon Steel, BS 970 EN36B is Alloy Steel. IS 11169 (Part 1) 27C15 specifies Cu, Mo which are not specified for BS 970 EN36B.
Can IS 11169 (Part 1) 27C15 be substituted with BS 970 EN36B?
IS 11169 (Part 1) 27C15 and BS 970 EN36B 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.