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IS 1570 (Part 4) 15Ni7Cr4Mo2 vs IS 11169 (Part 1) 15Ni7Cr4Mo2

Close Alternative — 82.6% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 15Ni7Cr4Mo2 (IS 1570 (Part 4):1988) and IS 11169 (Part 1) 15Ni7Cr4Mo2 (IS 11169 (Part 1):1984) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 15Ni7Cr4Mo2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 15Ni7Cr4Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 4) 15Ni7Cr4Mo2 vs IS 11169 (Part 1) 15Ni7Cr4Mo2 is a 98.9% match. As per mechanical properties, the match is 50%. Combined, this makes them a close alternative overall at 82.6%.

Frequently Compared With IS 1570 (Part 4) 15Ni7Cr4Mo2:
GOST 4543 12HN3A IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
98.9%
MECHANICAL MATCH
50%
OVERALL
82.6%
Specifications
Property IS 1570 (Part 4) 15Ni7Cr4Mo2 IS 11169 (Part 1) 15Ni7Cr4Mo2
Standard IS 1570 (Part 4):1988 IS 11169 (Part 1):1984
Category Alloy Steel Alloy Steel
C (%) 0.12-0.18 0.12-0.18
Si (%) 0.15-0.35 0.10-0.35
Mn (%) 0.60-1.00 0.60-1.00
Ni (%) 1.50-2.00 1.50-2.00
Cr (%) 0.75-1.25 0.75-1.25
Mo (%) 0.10-0.20 0.10-0.20
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 4) 15Ni7Cr4Mo2 IS 11169 (Part 1) 15Ni7Cr4Mo2
Tensile Strength >=1080 MPa Not specified
Elongation >=9% Not specified
Izod Impact >=35 J Not specified
Condition Case hardening steel, refined and quenched, core properties Not specified
Core Tensile Strength Not specified >=1100 MPa (30 mm) / >=1000 MPa (60 mm) / >=950 MPa (90 mm)
Core Elongation Not specified >=9% (30 mm)
Hardness, annealed Not specified <=180 HB
Typical Applications
IS 1570 (Part 4) 15Ni7Cr4Mo2
Not documented
IS 11169 (Part 1) 15Ni7Cr4Mo2
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
Can IS 1570 (Part 4) 15Ni7Cr4Mo2 Be Substituted With IS 11169 (Part 1) 15Ni7Cr4Mo2?
IS 1570 (Part 4) 15Ni7Cr4Mo2 and IS 11169 (Part 1) 15Ni7Cr4Mo2 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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IS 1570 (Part 4) 15Ni7Cr4Mo2
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IS 11169 (Part 1) 15Ni7Cr4Mo2
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 15Ni7Cr4Mo2 and IS 11169 (Part 1) 15Ni7Cr4Mo2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 4) 15Ni7Cr4Mo2 be substituted with IS 11169 (Part 1) 15Ni7Cr4Mo2?
IS 1570 (Part 4) 15Ni7Cr4Mo2 and IS 11169 (Part 1) 15Ni7Cr4Mo2 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.