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IS 11169 (Part 1) 15Ni5Cr4Mo1 vs BS 970 (Part 3) 815M17

Close Alternative — 78.6% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 15Ni5Cr4Mo1 (IS 11169 (Part 1):2022) and BS 970 (Part 3) 815M17 (BS 970 (Part 3):1991) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 15Ni5Cr4Mo1 is typically 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), while BS 970 (Part 3) 815M17 is commonly used for bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy case hardening steel (table 15). IS 11169 (Part 1) 15Ni5Cr4Mo1 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 815M17 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 15Ni5Cr4Mo1 vs BS 970 (Part 3) 815M17 is a 78.6% 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 78.6%.

Frequently Compared With IS 11169 (Part 1) 15Ni5Cr4Mo1:
IS 1570 (Part 4) 103Cr6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4 IS 1570 (Part 4) 10Cr20Mo6
Match Breakdown
CHEMISTRY MATCH
78.6%
MECHANICAL MATCH
No shared data
OVERALL
78.6%
Specifications
Property IS 11169 (Part 1) 15Ni5Cr4Mo1 BS 970 (Part 3) 815M17
Standard IS 11169 (Part 1):2022 BS 970 (Part 3):1991
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.14-0.20
Cr (%) 0.75-1.25 0.80-1.20
Cu (%) <=0.15 Not specified
Mn (%) 0.60-1.00 0.60-0.90
Mo (%) 0.08-0.15 0.10-0.20
Ni (%) 1.00-1.50 1.20-1.70
P (%) <=0.035 <=0.04
S (%) <=0.035 <=0.05
Si (%) 0.10-0.35 0.10-0.40
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) 15Ni5Cr4Mo1 BS 970 (Part 3) 815M17
Hardness, annealed (+AC) <=180 HBW Not specified
Typical Applications
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)
BS 970 (Part 3) 815M17
Bright cold finished bars (cold drawn, turned or precision ground) for general engineering purposes, in straight lengths; alloy case hardening steel (Table 15)
Key Differences
Can IS 11169 (Part 1) 15Ni5Cr4Mo1 Be Substituted With BS 970 (Part 3) 815M17?
IS 11169 (Part 1) 15Ni5Cr4Mo1 and BS 970 (Part 3) 815M17 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.
On M-EX Right Now
IS 11169 (Part 1) 15Ni5Cr4Mo1
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BS 970 (Part 3) 815M17
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 15Ni5Cr4Mo1 and BS 970 (Part 3) 815M17?
IS 11169 (Part 1) 15Ni5Cr4Mo1 specifies Cu which is not specified for BS 970 (Part 3) 815M17.
Can IS 11169 (Part 1) 15Ni5Cr4Mo1 be substituted with BS 970 (Part 3) 815M17?
IS 11169 (Part 1) 15Ni5Cr4Mo1 and BS 970 (Part 3) 815M17 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.