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IS 1570 (Part 7) 25Cr2MoVH vs IS 1570 (Part 4) 10Cr20Mo6

Related Material — 56.3% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 25Cr2MoVH (IS 1570 (Part 7):1992) and IS 1570 (Part 4) 10Cr20Mo6 (IS 1570 (Part 4):1988) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 7) 25Cr2MoVH is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 10Cr20Mo6 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 7) 25Cr2MoVH vs IS 1570 (Part 4) 10Cr20Mo6 is a 56.3% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 56.3%.

Frequently Compared With IS 1570 (Part 7) 25Cr2MoVH:
IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 7) 12Cr2Mo5V2H GB/T 3077 12Cr2Ni4A IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 4) 10Mo6
Match Breakdown
CHEMISTRY MATCH
56.3%
MECHANICAL MATCH
No shared data
OVERALL
56.3%
Specifications
Property IS 1570 (Part 7) 25Cr2MoVH IS 1570 (Part 4) 10Cr20Mo6
Standard IS 1570 (Part 7):1992 IS 1570 (Part 4):1988
Category Alloy Steel Alloy Steel
C (%) 0.20-0.30 <=0.15
Si (%) 0.20-0.50 <=0.50
Mn (%) 0.30-0.60 0.40-0.70
P (%) <=0.030 Not specified
S (%) <=0.025 Not specified
Cr (%) 1.5-1.80 4.0-6.0
Ni (%) <=0.40 <=0.30
Mo (%) 0.90-1.20 0.45-0.65
V (%) 0.20-0.30 Not specified
Cu (%) <=0.30 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 7) 25Cr2MoVH IS 1570 (Part 4) 10Cr20Mo6
Tensile Strength >=630 MPa Not specified
Yield Strength >=420 MPa (0.2 % proof stress) Not specified
Elongation >=16% Not specified
Condition Forgings of turbine shafts, N+T, thickness up to 900 (first row of Table 3) Not specified
Typical Applications
IS 1570 (Part 7) 25Cr2MoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 1570 (Part 4) 10Cr20Mo6
Not documented
Key Differences
Can IS 1570 (Part 7) 25Cr2MoVH Be Substituted With IS 1570 (Part 4) 10Cr20Mo6?
IS 1570 (Part 7) 25Cr2MoVH and IS 1570 (Part 4) 10Cr20Mo6 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 7) 25Cr2MoVH
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IS 1570 (Part 4) 10Cr20Mo6
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 25Cr2MoVH and IS 1570 (Part 4) 10Cr20Mo6?
IS 1570 (Part 7) 25Cr2MoVH specifies P, S, V, Cu which are not specified for IS 1570 (Part 4) 10Cr20Mo6.
Can IS 1570 (Part 7) 25Cr2MoVH be substituted with IS 1570 (Part 4) 10Cr20Mo6?
IS 1570 (Part 7) 25Cr2MoVH and IS 1570 (Part 4) 10Cr20Mo6 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.