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BS 970 EN361 vs IS 11169 (Part 1) 15Ni5Cr4Mo1

Close Alternative — 73.9% match based on chemical composition and mechanical property overlap.

BS 970 EN361 (BS 970:1955) and IS 11169 (Part 1) 15Ni5Cr4Mo1 (IS 11169 (Part 1):2022) are both steel grades. Both fall under the Alloy Steel category. BS 970 EN361 is typically used for bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. suitable for tensile strength 45 tons/sq in min., while IS 11169 (Part 1) 15Ni5Cr4Mo1 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 EN361 is defined under British Standards (BS), originating from United Kingdom, while IS 11169 (Part 1) 15Ni5Cr4Mo1 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 EN361 vs IS 11169 (Part 1) 15Ni5Cr4Mo1 is a 73.9% 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 73.9%.

Frequently Compared With BS 970 EN361:
IS 1570 (Part 4) 103Cr4 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
73.9%
MECHANICAL MATCH
No shared data
OVERALL
73.9%
Specifications
Property BS 970 EN361 IS 11169 (Part 1) 15Ni5Cr4Mo1
Standard BS 970:1955 IS 11169 (Part 1):2022
Category Alloy Steel Alloy Steel
C (%) 0.13-0.17 0.12-0.18
Si (%) <=0.35 0.10-0.35
Mn (%) 0.70-1.00 0.60-1.00
Ni (%) 0.40-0.70 1.00-1.50
Cr (%) 0.55-0.80 0.75-1.25
Mo (%) 0.08-0.15 0.08-0.15
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 EN361 IS 11169 (Part 1) 15Ni5Cr4Mo1
Tensile Strength ≥695 MPa (45 tons/sq in, converted) Not specified
Elongation ≥18% Not specified
Condition core, min (lowest-strength condition of the standard) Not specified
Hardness, annealed (+AC) Not specified <=180 HBW
Typical Applications
BS 970 EN361
Bars and billets for forging; forgings and drop-forgings; bars for machining; bright bars. Suitable for tensile strength 45 tons/sq in min.
IS 11169 (Part 1) 15Ni5Cr4Mo1
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 EN361 Be Substituted With IS 11169 (Part 1) 15Ni5Cr4Mo1?
BS 970 EN361 and IS 11169 (Part 1) 15Ni5Cr4Mo1 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.
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BS 970 EN361
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IS 11169 (Part 1) 15Ni5Cr4Mo1
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Frequently Asked Questions
What is the difference between BS 970 EN361 and IS 11169 (Part 1) 15Ni5Cr4Mo1?
IS 11169 (Part 1) 15Ni5Cr4Mo1 specifies Cu which is not specified for BS 970 EN361.
Can BS 970 EN361 be substituted with IS 11169 (Part 1) 15Ni5Cr4Mo1?
BS 970 EN361 and IS 11169 (Part 1) 15Ni5Cr4Mo1 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.