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IS 1570 (Part 4) 25Cr13Mo6 vs IS 1570 (Part 4) 15Cr13Mo6

Strong Match — 93.5% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 25Cr13Mo6 (IS 1570 (Part 4):1988) and IS 1570 (Part 4) 15Cr13Mo6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 25Cr13Mo6 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 15Cr13Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 4) 25Cr13Mo6 vs IS 1570 (Part 4) 15Cr13Mo6 is a 90.3% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 93.5%.

Frequently Compared With IS 1570 (Part 4) 25Cr13Mo6:
IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 10Mo6 NF A35-565 100C6 GOST 4543 12HN3A IS 1570 (Part 4) 103Cr4 GB/T 3077 12Cr2Ni4A UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
90.3%
MECHANICAL MATCH
100%
OVERALL
93.5%
Specifications
Property IS 1570 (Part 4) 25Cr13Mo6 IS 1570 (Part 4) 15Cr13Mo6
Standard IS 1570 (Part 4):1988 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.20-0.30 0.10-0.20
Si (%) 0.10-0.35 0.15-0.35
Mn (%) 0.40-0.70 0.40-0.70
Ni (%) <=0.30 <=0.30
Cr (%) 2.90-3.40 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) 25Cr13Mo6 IS 1570 (Part 4) 15Cr13Mo6
Tensile Strength >=1540 MPa >=1540 MPa
Yield Strength >=1240 MPa (0.2 % proof stress) >=1240 MPa (0.2 % proof stress)
Elongation >=8% >=8%
Izod Impact >=14 J >=14 J
Hardness >=444 HBS (guidance only) >=444 HBS (guidance only)
Condition Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 63 mm Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 63 mm
Can IS 1570 (Part 4) 25Cr13Mo6 Be Substituted With IS 1570 (Part 4) 15Cr13Mo6?
IS 1570 (Part 4) 25Cr13Mo6 and IS 1570 (Part 4) 15Cr13Mo6 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 15Cr13Mo6 is often considered as a substitute for IS 1570 (Part 4) 25Cr13Mo6 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 1570 (Part 4) 25Cr13Mo6
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IS 1570 (Part 4) 15Cr13Mo6
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 25Cr13Mo6 and IS 1570 (Part 4) 15Cr13Mo6?
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) 25Cr13Mo6 be substituted with IS 1570 (Part 4) 15Cr13Mo6?
IS 1570 (Part 4) 25Cr13Mo6 and IS 1570 (Part 4) 15Cr13Mo6 overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 15Cr13Mo6 is often considered as a substitute for IS 1570 (Part 4) 25Cr13Mo6 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.