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IS 1570 (Part 4) 35Mn6Mo3 vs IS 1570 (Part 7) 12Cr2Mo5V2H

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

IS 1570 (Part 4) 35Mn6Mo3 (IS 1570 (Part 4):1988) and IS 1570 (Part 7) 12Cr2Mo5V2H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 4) 35Mn6Mo3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 12Cr2Mo5V2H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 4) 35Mn6Mo3 vs IS 1570 (Part 7) 12Cr2Mo5V2H is a 62.3% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 1570 (Part 4) 35Mn6Mo3:
NF A35-565 100C6 IS 1570 (Part 7) 12Cr4Mo5H IS 1570 (Part 4) 07Cr4Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 105Cr5 GB/T 3077 12Cr2Ni4A IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H
Match Breakdown
CHEMISTRY MATCH
62.3%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 1570 (Part 4) 35Mn6Mo3 IS 1570 (Part 7) 12Cr2Mo5V2H
Standard IS 1570 (Part 4):1988 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.30-0.40 0.10-0.18
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 1.30-1.80 0.40-0.70
Mo (%) 0.20-0.35 0.50-0.70
P (%) Not specified <=0.040
Cr (%) Not specified 0.30-0.60
V (%) Not specified 0.22-0.32
Al (metallic) (%) Not specified <=0.02
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) 35Mn6Mo3 IS 1570 (Part 7) 12Cr2Mo5V2H
Tensile Strength 990-1140 MPa 460-610 MPa
Yield Strength >=750 MPa (0.2 % proof stress) >=275 MPa (0.2 % proof stress)
Elongation >=10% >=15%
Izod Impact >=48 J Not specified
Hardness 285-341 HBS (guidance only) Not specified
Condition Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 30 mm Pipes, N+T, thickness - (first row of Table 3)
Typical Applications
IS 1570 (Part 4) 35Mn6Mo3
Not documented
IS 1570 (Part 7) 12Cr2Mo5V2H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can IS 1570 (Part 4) 35Mn6Mo3 Be Substituted With IS 1570 (Part 7) 12Cr2Mo5V2H?
IS 1570 (Part 4) 35Mn6Mo3 and IS 1570 (Part 7) 12Cr2Mo5V2H 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.
On M-EX Right Now
IS 1570 (Part 4) 35Mn6Mo3
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IS 1570 (Part 7) 12Cr2Mo5V2H
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Frequently Asked Questions
What is the difference between IS 1570 (Part 4) 35Mn6Mo3 and IS 1570 (Part 7) 12Cr2Mo5V2H?
IS 1570 (Part 7) 12Cr2Mo5V2H specifies P, Cr, V, Al (metallic) which are not specified for IS 1570 (Part 4) 35Mn6Mo3.
Can IS 1570 (Part 4) 35Mn6Mo3 be substituted with IS 1570 (Part 7) 12Cr2Mo5V2H?
IS 1570 (Part 4) 35Mn6Mo3 and IS 1570 (Part 7) 12Cr2Mo5V2H 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.