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IS 1570 (Part 4) 20Cr20Mo6 vs IS 1570 (Part 4) 25Cr13Mo6

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

IS 1570 (Part 4) 20Cr20Mo6 (IS 1570 (Part 4):1988) and IS 1570 (Part 4) 25Cr13Mo6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 20Cr20Mo6 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 25Cr13Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 4) 20Cr20Mo6 vs IS 1570 (Part 4) 25Cr13Mo6 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) 20Cr20Mo6:
IS 4367 07Cr4Mo6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Mo6 GB/T 3077 12Cr2Ni4A NF A35-565 100C6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 105Cr5 GOST 4543 12HN3A IS 1570 (Part 4) 103Cr6
Match Breakdown
CHEMISTRY MATCH
82.9%
MECHANICAL MATCH
No shared data
OVERALL
82.9%
Specifications
Property IS 1570 (Part 4) 20Cr20Mo6 IS 1570 (Part 4) 25Cr13Mo6
Standard IS 1570 (Part 4):1988 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.15-0.25 0.20-0.30
Si (%) <=0.50 0.10-0.35
Mn (%) 0.40-0.70 0.40-0.70
Ni (%) <=0.30 <=0.30
Cr (%) 4.0-6.0 2.90-3.40
Mo (%) 0.45-0.65 0.45-0.65
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) 20Cr20Mo6 IS 1570 (Part 4) 25Cr13Mo6
Tensile Strength Not specified >=1540 MPa
Yield Strength Not specified >=1240 MPa (0.2 % proof stress)
Elongation Not specified >=8%
Izod Impact Not specified >=14 J
Hardness Not specified >=444 HBS (guidance only)
Condition Not specified Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 63 mm
Can IS 1570 (Part 4) 20Cr20Mo6 Be Substituted With IS 1570 (Part 4) 25Cr13Mo6?
IS 1570 (Part 4) 20Cr20Mo6 and IS 1570 (Part 4) 25Cr13Mo6 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) 20Cr20Mo6
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IS 1570 (Part 4) 25Cr13Mo6
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 20Cr20Mo6 and IS 1570 (Part 4) 25Cr13Mo6?
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) 20Cr20Mo6 be substituted with IS 1570 (Part 4) 25Cr13Mo6?
IS 1570 (Part 4) 20Cr20Mo6 and IS 1570 (Part 4) 25Cr13Mo6 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.