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IS 1570 (Part 7) 12Cr12MoVH vs IS 1570 (Part 7) 20Cr12MoNiVH

Related Material — 57.6% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 12Cr12MoVH (IS 1570 (Part 7):1992) and IS 1570 (Part 7) 20Cr12MoNiVH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. IS 1570 (Part 7) 12Cr12MoVH 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) 20Cr12MoNiVH 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) 12Cr12MoVH is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 20Cr12MoNiVH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 7) 12Cr12MoVH vs IS 1570 (Part 7) 20Cr12MoNiVH is a 70.8% match. As per mechanical properties, the match is 31.3%. Combined, this makes them a related material overall at 57.6%.

Frequently Compared With IS 1570 (Part 7) 12Cr12MoVH:
IS 1570 (Part 7) 12Cr13H EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH GOST 5632 06Kh23N28 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoH EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 12Kh13 ASTM A959 202 ASTM A959 201L
Match Breakdown
CHEMISTRY MATCH
70.8%
MECHANICAL MATCH
31.3%
OVERALL
57.6%
Specifications
Property IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 20Cr12MoNiVH
Standard IS 1570 (Part 7):1992 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) 0.08-0.16 0.17-0.23
Si (%) <=0.60 <=0.50
Mn (%) 0.40-1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.035 <=0.030
Cr (%) 11.5-13.00 11.0-12.50
Ni (%) <=1.0 0.30-1.00
Mo (%) 0.40-0.80 0.7-1.20
V (%) 0.10-0.30 0.20-0.35
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) 12Cr12MoVH IS 1570 (Part 7) 20Cr12MoNiVH
Tensile Strength 770-930 MPa 780-930 MPa
Yield Strength >=585 MPa (0.2 % proof stress) >=590 MPa (0.2 % proof stress)
Elongation >=15% >=14%
Condition Bars, forgings, Q+T, thickness up to 150 (first row of Table 3) Bars, forgings, Q+T1, thickness up to 250 (first row of Table 3)
Typical Applications
IS 1570 (Part 7) 12Cr12MoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
IS 1570 (Part 7) 20Cr12MoNiVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Can IS 1570 (Part 7) 12Cr12MoVH Be Substituted With IS 1570 (Part 7) 20Cr12MoNiVH?
IS 1570 (Part 7) 12Cr12MoVH and IS 1570 (Part 7) 20Cr12MoNiVH 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) 12Cr12MoVH
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IS 1570 (Part 7) 20Cr12MoNiVH
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 12Cr12MoVH and IS 1570 (Part 7) 20Cr12MoNiVH?
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) 12Cr12MoVH be substituted with IS 1570 (Part 7) 20Cr12MoNiVH?
IS 1570 (Part 7) 12Cr12MoVH and IS 1570 (Part 7) 20Cr12MoNiVH 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.