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IS 1570 (Part 4) 25Cr13Mo6 vs IS 1570 (Part 4) 103Cr4

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 4) 25Cr13Mo6 (IS 1570 (Part 4):1988) and IS 1570 (Part 4) 103Cr4 (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) 103Cr4 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) 103Cr4 is a 62.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

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 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 IS 4367 10Cr9Mo10
Match Breakdown
CHEMISTRY MATCH
62.1%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property IS 1570 (Part 4) 25Cr13Mo6 IS 1570 (Part 4) 103Cr4
Standard IS 1570 (Part 4):1988 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.20-0.30 0.95-1.10
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.40-0.70 0.25-0.45
Ni (%) <=0.30 Not specified
Cr (%) 2.90-3.40 0.90-1.20
Mo (%) 0.45-0.65 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) 25Cr13Mo6 IS 1570 (Part 4) 103Cr4
Tensile Strength >=1540 MPa Not specified
Yield Strength >=1240 MPa (0.2 % proof stress) Not specified
Elongation >=8% Not specified
Izod Impact >=14 J Not specified
Hardness >=444 HBS (guidance only) Not specified
Condition Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 63 mm Not specified
Key Differences
Can IS 1570 (Part 4) 25Cr13Mo6 Be Substituted With IS 1570 (Part 4) 103Cr4?
IS 1570 (Part 4) 25Cr13Mo6 and IS 1570 (Part 4) 103Cr4 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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IS 1570 (Part 4) 25Cr13Mo6
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IS 1570 (Part 4) 103Cr4
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 25Cr13Mo6 and IS 1570 (Part 4) 103Cr4?
IS 1570 (Part 4) 25Cr13Mo6 specifies Ni, Mo which are not specified for IS 1570 (Part 4) 103Cr4.
Can IS 1570 (Part 4) 25Cr13Mo6 be substituted with IS 1570 (Part 4) 103Cr4?
IS 1570 (Part 4) 25Cr13Mo6 and IS 1570 (Part 4) 103Cr4 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.