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IS 1570 (Part 4) 50Cr4V2 vs IS 4367 40Cr4

Close Alternative — 81.1% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 50Cr4V2 (IS 1570 (Part 4):1988) and IS 4367 40Cr4 (IS 4367:1991) 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 4367 40Cr4 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 4) 50Cr4V2 vs IS 4367 40Cr4 is a 81.1% 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 81.1%.

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
81.1%
MECHANICAL MATCH
No shared data
OVERALL
81.1%
Specifications
Property IS 1570 (Part 4) 50Cr4V2 IS 4367 40Cr4
Standard IS 1570 (Part 4):1988 IS 4367:1991
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
S (%) Not specified <=0.035
P (%) Not specified <=0.035
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 4367 40Cr4
Tensile Strength Not specified 700-850 MPa
Yield Strength Not specified 540 MPa min
Elongation Not specified >=18%
Izod Impact Not specified 55 J min
Hardness Not specified 208-252 HB
Hardness (soft annealed) Not specified <=220 HB
Condition Not specified Hardened and tempered, ruling section up to 100 mm
Typical Applications
IS 1570 (Part 4) 50Cr4V2
Not documented
IS 4367 40Cr4
gears, shafts, axles, spindles, bolts, forged components, machine parts
Key Differences
Can IS 1570 (Part 4) 50Cr4V2 Be Substituted With IS 4367 40Cr4?
IS 1570 (Part 4) 50Cr4V2 and IS 4367 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.
Forms & Sizes Available on M-EX
IS 1570 (Part 4) 50Cr4V2
No active listings currently.
IS 4367 40Cr4
Round Bar → (2 listings)
Diameter: 50–50 mm (1.97–1.97 in)
Length: 5000–7000 mm (196.85–275.59 in)
On M-EX Right Now
IS 1570 (Part 4) 50Cr4V2
0 active listings and RFQs →
IS 4367 40Cr4
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 50Cr4V2 and IS 4367 40Cr4?
IS 1570 (Part 4) 50Cr4V2 specifies V which is not specified for IS 4367 40Cr4. IS 4367 40Cr4 specifies S, P which are not specified for IS 1570 (Part 4) 50Cr4V2.
Can IS 1570 (Part 4) 50Cr4V2 be substituted with IS 4367 40Cr4?
IS 1570 (Part 4) 50Cr4V2 and IS 4367 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.