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IS 11169 (Part 1) 16Ni4Cr3 vs BS 970 (Part 1) 635H15

Close Alternative — 81.6% match based on chemical composition and mechanical property overlap.

IS 11169 (Part 1) 16Ni4Cr3 (IS 11169 (Part 1):1984) and BS 970 (Part 1) 635H15 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Alloy Steel category. IS 11169 (Part 1) 16Ni4Cr3 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 1) 635H15 is commonly used for case hardening steel (section four). IS 11169 (Part 1) 16Ni4Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while BS 970 (Part 1) 635H15 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, IS 11169 (Part 1) 16Ni4Cr3 vs BS 970 (Part 1) 635H15 is a 81.6% 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 81.6%.

Frequently Compared With IS 11169 (Part 1) 16Ni4Cr3:
UNI 11234 100Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 103Cr6 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
81.6%
MECHANICAL MATCH
No shared data
OVERALL
81.6%
Specifications
Property IS 11169 (Part 1) 16Ni4Cr3 BS 970 (Part 1) 635H15
Standard IS 11169 (Part 1):1984 BS 970 (Part 1):1991
Category Alloy Steel Alloy Steel
C (%) 0.12-0.20 0.12-0.18
Si (%) 0.10-0.35 Not specified
Mn (%) 0.60-1.00 0.60-0.90
Ni (%) 0.80-1.20 0.70-1.10
Cr (%) 0.60-1.00 0.40-0.80
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) 16Ni4Cr3 BS 970 (Part 1) 635H15
Core Tensile Strength >=850 MPa (30 mm) / >=800 MPa (60 mm) / >=750 MPa (90 mm) Not specified
Core Elongation >=12% (30 mm) Not specified
Hardness, annealed <=180 HB Not specified
Typical Applications
IS 11169 (Part 1) 16Ni4Cr3
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 1) 635H15
Case hardening steel (section four)
Key Differences
Can IS 11169 (Part 1) 16Ni4Cr3 Be Substituted With BS 970 (Part 1) 635H15?
IS 11169 (Part 1) 16Ni4Cr3 and BS 970 (Part 1) 635H15 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) 16Ni4Cr3
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BS 970 (Part 1) 635H15
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Frequently Asked Questions
What is the difference between IS 11169 (Part 1) 16Ni4Cr3 and BS 970 (Part 1) 635H15?
IS 11169 (Part 1) 16Ni4Cr3 specifies Si which is not specified for BS 970 (Part 1) 635H15.
Can IS 11169 (Part 1) 16Ni4Cr3 be substituted with BS 970 (Part 1) 635H15?
IS 11169 (Part 1) 16Ni4Cr3 and BS 970 (Part 1) 635H15 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.