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BS 970 EN36C vs IS 11169 (Part 1) 15Ni7Cr4Mo2

Close Alternative — 75.3% match based on chemical composition and mechanical property overlap.

BS 970 EN36C (BS 970:1955) and IS 11169 (Part 1) 15Ni7Cr4Mo2 (IS 11169 (Part 1):2022) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN36C is typically used for used for gears, camshafts, pinions, heavy-duty shafts, aerospace transmission parts, and worm drives., while IS 11169 (Part 1) 15Ni7Cr4Mo2 is commonly used for cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex b). BS 970 EN36C is defined under British Standards (BS), originating from United Kingdom, while IS 11169 (Part 1) 15Ni7Cr4Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN36C vs IS 11169 (Part 1) 15Ni7Cr4Mo2 is a 75.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 75.3%.

Frequently Compared With BS 970 EN36C:
UNI 11234 100Cr6 NF A35-565 100C6 GB/T 3077 12Cr2Ni4A GOST 4543 12HN3A IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 103Cr4 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
75.3%
MECHANICAL MATCH
No shared data
OVERALL
75.3%
Specifications
Property BS 970 EN36C IS 11169 (Part 1) 15Ni7Cr4Mo2
Standard BS 970:1955 IS 11169 (Part 1):2022
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.12-0.18
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.30-0.60 0.60-1.00
Ni (%) 3.00-3.75 1.50-2.00
Cr (%) 0.60-1.10 0.75-1.25
Mo (%) 0.10-0.25 0.10-0.20
S (%) <=0.050 <=0.035
P (%) <=0.050 <=0.035
Cu (%) Not specified <=0.15
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 EN36C IS 11169 (Part 1) 15Ni7Cr4Mo2
Tensile Strength ≥1004 MPa (65 tons/sq in, converted) Not specified
Elongation ≥13% Not specified
Condition Core, after heat treatment (lowest-strength condition of the standard) Not specified
Hardness, annealed (+AC) Not specified <=180 HBW
Typical Applications
BS 970 EN36C
Used for gears, camshafts, pinions, heavy-duty shafts, aerospace transmission parts, and worm drives.
IS 11169 (Part 1) 15Ni7Cr4Mo2
Cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex B)
Key Differences
Can BS 970 EN36C Be Substituted With IS 11169 (Part 1) 15Ni7Cr4Mo2?
BS 970 EN36C and IS 11169 (Part 1) 15Ni7Cr4Mo2 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
Forms & Sizes Available on M-EX
BS 970 EN36C
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 6600–7000 mm (259.84–275.59 in)
IS 11169 (Part 1) 15Ni7Cr4Mo2
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On M-EX Right Now
BS 970 EN36C
2 active listings and RFQs →
IS 11169 (Part 1) 15Ni7Cr4Mo2
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between BS 970 EN36C and IS 11169 (Part 1) 15Ni7Cr4Mo2?
IS 11169 (Part 1) 15Ni7Cr4Mo2 specifies Cu which is not specified for BS 970 EN36C.
Can BS 970 EN36C be substituted with IS 11169 (Part 1) 15Ni7Cr4Mo2?
BS 970 EN36C and IS 11169 (Part 1) 15Ni7Cr4Mo2 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.