IS 11169 (Part 1) 16Ni3Cr2 vs BS 970 (Part 3) 637M17
Close Alternative — 82.6% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 16Ni3Cr2 (IS 11169 (Part 1):1984) and BS 970 (Part 3) 637M17 (BS 970 (Part 3):1991) are both steel grades.
Both fall under the Alloy Steel category.
IS 11169 (Part 1) 16Ni3Cr2 is typically used for cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1), while BS 970 (Part 3) 637M17 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) 16Ni3Cr2 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 3) 637M17 is defined under British Standards (BS), originating from United Kingdom.
As per chemical composition, IS 11169 (Part 1) 16Ni3Cr2 vs BS 970 (Part 3) 637M17 is a 82.6% 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 82.6%.
Frequently Compared With IS 11169 (Part 1) 16Ni3Cr2:
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) 16Ni3Cr2
BS 970 (Part 3) 637M17
Core Tensile Strength
>=700 MPa (30 mm)
Not specified
Core Elongation
>=15% (30 mm)
Not specified
Hardness, annealed
<=160 HB
Not specified
Typical Applications
IS 11169 (Part 1) 16Ni3Cr2
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
BS 970 (Part 3) 637M17
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
BS 970 (Part 3) 637M17 specifies P, S which are not specified for IS 11169 (Part 1) 16Ni3Cr2.
Can IS 11169 (Part 1) 16Ni3Cr2 Be Substituted With BS 970 (Part 3) 637M17?
IS 11169 (Part 1) 16Ni3Cr2 and BS 970 (Part 3) 637M17 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.
What is the difference between IS 11169 (Part 1) 16Ni3Cr2 and BS 970 (Part 3) 637M17?
BS 970 (Part 3) 637M17 specifies P, S which are not specified for IS 11169 (Part 1) 16Ni3Cr2.
Can IS 11169 (Part 1) 16Ni3Cr2 be substituted with BS 970 (Part 3) 637M17?
IS 11169 (Part 1) 16Ni3Cr2 and BS 970 (Part 3) 637M17 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.