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IS 1570 (Part 4) 50Cr4V2 vs IS 1570 (Part 4) 40Cr4

Close Alternative — 82.9% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 50Cr4V2 (IS 1570 (Part 4):1988) and IS 1570 (Part 4) 40Cr4 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 50Cr4V2 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 40Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 4) 50Cr4V2 vs IS 1570 (Part 4) 40Cr4 is a 82.9% 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 82.9%.

Frequently Compared With IS 1570 (Part 4) 50Cr4V2:
IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 EN 10028-2 10CrMo9-10 IS 1570 (Part 4) 10Mo6
Other Alloy Steel Grades to Compare With IS 1570 (Part 4) 50Cr4V2:
IS 4367 07Cr4Mo6 UNI 11234 100Cr6
Match Breakdown
CHEMISTRY MATCH
82.9%
MECHANICAL MATCH
No shared data
OVERALL
82.9%
Specifications
Property IS 1570 (Part 4) 50Cr4V2 IS 1570 (Part 4) 40Cr4
Standard IS 1570 (Part 4):1988 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.45-0.55 0.35-0.45
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.50-0.80 0.60-0.90
Cr (%) 0.90-1.20 0.90-1.20
V (%) 0.15-0.30 Not specified
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) 50Cr4V2 IS 1570 (Part 4) 40Cr4
Tensile Strength Not specified 890-1040 MPa
Yield Strength Not specified >=650 MPa (0.2 % proof stress)
Elongation Not specified >=11%
Izod Impact Not specified >=50 J
Hardness Not specified 255-311 HBS (guidance only)
Condition Not specified Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 30 mm
Key Differences
Can IS 1570 (Part 4) 50Cr4V2 Be Substituted With IS 1570 (Part 4) 40Cr4?
IS 1570 (Part 4) 50Cr4V2 and IS 1570 (Part 4) 40Cr4 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) 50Cr4V2
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IS 1570 (Part 4) 40Cr4
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 50Cr4V2 and IS 1570 (Part 4) 40Cr4?
IS 1570 (Part 4) 50Cr4V2 specifies V which is not specified for IS 1570 (Part 4) 40Cr4.
Can IS 1570 (Part 4) 50Cr4V2 be substituted with IS 1570 (Part 4) 40Cr4?
IS 1570 (Part 4) 50Cr4V2 and IS 1570 (Part 4) 40Cr4 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.