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IS 1570 (Part 4) 20Mn5Cr5 vs IS 4367 20Mn5Cr5

Close Alternative — 81% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 20Mn5Cr5 (IS 1570 (Part 4):1988) and IS 4367 20Mn5Cr5 (IS 4367:1991) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 20Mn5Cr5 is defined under Bureau of Indian Standards (IS), originating from India, while IS 4367 20Mn5Cr5 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 4) 20Mn5Cr5 vs IS 4367 20Mn5Cr5 is a 96.6% match. As per mechanical properties, the match is 50%. Combined, this makes them a close alternative overall at 81%.

Frequently Compared With IS 1570 (Part 4) 20Mn5Cr5:
GB/T 3077 12Cr2Ni4A NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr2Mo5V2H
Match Breakdown
CHEMISTRY MATCH
96.6%
MECHANICAL MATCH
50%
OVERALL
81%
Specifications
Property IS 1570 (Part 4) 20Mn5Cr5 IS 4367 20Mn5Cr5
Standard IS 1570 (Part 4):1988 IS 4367:1991
Category Alloy Steel Alloy Steel
C (%) 0.17-0.22 0.18-0.22
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 1.00-1.40 1.00-1.40
Cr (%) 1.00-1.30 1.00-1.30
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) 20Mn5Cr5 IS 4367 20Mn5Cr5
Tensile Strength >=990 MPa 1000 MPa min
Elongation >=8% >=8%
Izod Impact >=38 J 38 J min
Condition Case hardening steel, refined and quenched, core properties Refined, quenched and stress relieved (core properties), ruling section up to 30 mm
Hardness (soft annealed) Not specified <=217 HB
Key Differences
Can IS 1570 (Part 4) 20Mn5Cr5 Be Substituted With IS 4367 20Mn5Cr5?
IS 1570 (Part 4) 20Mn5Cr5 and IS 4367 20Mn5Cr5 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) 20Mn5Cr5
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IS 4367 20Mn5Cr5
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 20Mn5Cr5 and IS 4367 20Mn5Cr5?
IS 4367 20Mn5Cr5 specifies S, P which are not specified for IS 1570 (Part 4) 20Mn5Cr5.
Can IS 1570 (Part 4) 20Mn5Cr5 be substituted with IS 4367 20Mn5Cr5?
IS 1570 (Part 4) 20Mn5Cr5 and IS 4367 20Mn5Cr5 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.