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IS 1570 (Part 7) 20Cr2MoVH vs IS 1570 (Part 7) 25Cr2MoVH

Related Material — 60.6% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 20Cr2MoVH (IS 1570 (Part 7):1992) and IS 1570 (Part 7) 25Cr2MoVH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Alloy Steel category. IS 1570 (Part 7) 20Cr2MoVH is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, while IS 1570 (Part 7) 25Cr2MoVH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. IS 1570 (Part 7) 20Cr2MoVH is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 25Cr2MoVH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 7) 20Cr2MoVH vs IS 1570 (Part 7) 25Cr2MoVH is a 91% match. As per mechanical properties, the match is 0%. Combined, this makes them a related material overall at 60.6%.

Frequently Compared With IS 1570 (Part 7) 20Cr2MoVH:
GB/T 3077 12Cr2Ni4A IS 1570 (Part 7) 12Cr2Mo5V2H IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 1570 (Part 7) 12Cr4Mo5H IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 4) 105Cr5 IS 4367 07Cr4Mo6 NF A35-565 100C6
Match Breakdown
CHEMISTRY MATCH
91%
MECHANICAL MATCH
0%
OVERALL
60.6%
Specifications
Property IS 1570 (Part 7) 20Cr2MoVH IS 1570 (Part 7) 25Cr2MoVH
Standard IS 1570 (Part 7):1992 IS 1570 (Part 7):1992
Category Alloy Steel Alloy Steel
C (%) 0.20-0.30 0.20-0.30
Si (%) 0.20-0.50 0.20-0.50
Mn (%) 0.30-0.60 0.30-0.60
P (%) <=0.030 <=0.030
S (%) <=0.030 <=0.025
Cr (%) 1.5-1.80 1.5-1.80
Ni (%) <=0.40 <=0.40
Mo (%) 0.60-0.80 0.90-1.20
V (%) 0.20-0.30 0.20-0.30
Cu (%) <=0.30 <=0.30
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) 20Cr2MoVH IS 1570 (Part 7) 25Cr2MoVH
Tensile Strength 700-850 MPa >=630 MPa
Yield Strength >=550 MPa (0.2 % proof stress) >=420 MPa (0.2 % proof stress)
Elongation >=17% >=16%
Condition Bars, forgings, Q+T, thickness - (first row of Table 3) Forgings of turbine shafts, N+T, thickness up to 900 (first row of Table 3)
Typical Applications
IS 1570 (Part 7) 20Cr2MoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 1570 (Part 7) 25Cr2MoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Can IS 1570 (Part 7) 20Cr2MoVH Be Substituted With IS 1570 (Part 7) 25Cr2MoVH?
IS 1570 (Part 7) 20Cr2MoVH and IS 1570 (Part 7) 25Cr2MoVH 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 7) 20Cr2MoVH
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IS 1570 (Part 7) 25Cr2MoVH
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 20Cr2MoVH and IS 1570 (Part 7) 25Cr2MoVH?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 1570 (Part 7) 20Cr2MoVH be substituted with IS 1570 (Part 7) 25Cr2MoVH?
IS 1570 (Part 7) 20Cr2MoVH and IS 1570 (Part 7) 25Cr2MoVH 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.