Close Alternative — 79.5% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 16Cr4 (IS 11169 (Part 1):2022) and SAE J404 5120 (SAE J404:2009) are both steel grades.
Both fall under the Alloy Steel category.
IS 11169 (Part 1) 16Cr4 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 SAE J404 5120 is commonly used for case hardened gears, pins, shafts, cams, automotive transmission parts.
IS 11169 (Part 1) 16Cr4 is defined under Bureau of Indian Standards (IS), originating from India, while SAE J404 5120 is defined under SAE International, originating from United States.
As per chemical composition, IS 11169 (Part 1) 16Cr4 vs SAE J404 5120 is a 79.5% 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 79.5%.
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) 16Cr4
SAE J404 5120
Hardness, ferrite-pearlite (+FP)
140-187 HB
Not specified
Tensile Strength, annealed (+AC)
<=520 MPa (over 5 to 40 mm)
Not specified
Typical Applications
IS 11169 (Part 1) 16Cr4
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)
SAE J404 5120
Case hardened gears, pins, shafts, cams, automotive transmission parts
Key Differences
IS 11169 (Part 1) 16Cr4 specifies Cu which is not specified for SAE J404 5120.
Can IS 11169 (Part 1) 16Cr4 Be Substituted With SAE J404 5120?
IS 11169 (Part 1) 16Cr4 and SAE J404 5120 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) 16Cr4 and SAE J404 5120?
IS 11169 (Part 1) 16Cr4 specifies Cu which is not specified for SAE J404 5120.
Can IS 11169 (Part 1) 16Cr4 be substituted with SAE J404 5120?
IS 11169 (Part 1) 16Cr4 and SAE J404 5120 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.