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IS 6603 X01Ni25Cr20Mo7CuN vs IS 1570 (Part 7) 12Cr12MoVH

Minimal Match — 33.7% match based on chemical composition and mechanical property overlap.

IS 6603 X01Ni25Cr20Mo7CuN (IS 6603:2024) and IS 1570 (Part 7) 12Cr12MoVH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. IS 6603 X01Ni25Cr20Mo7CuN is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while IS 1570 (Part 7) 12Cr12MoVH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. IS 6603 X01Ni25Cr20Mo7CuN is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 12Cr12MoVH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 6603 X01Ni25Cr20Mo7CuN vs IS 1570 (Part 7) 12Cr12MoVH is a 45.8% match. As per mechanical properties, the match is 9.5%. Combined, this makes them a minimal match overall at 33.7%.

Frequently Compared With IS 6603 X01Ni25Cr20Mo7CuN:
EN 10088-1 1.4006 GOST 5632 08X18H10 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo EN 10088-1 1.4301 EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 ASTM A959 .- IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
45.8%
MECHANICAL MATCH
9.5%
OVERALL
33.7%
Specifications
Property IS 6603 X01Ni25Cr20Mo7CuN IS 1570 (Part 7) 12Cr12MoVH
Standard IS 6603:2024 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.020 0.08-0.16
Si (%) <=0.75 <=0.60
Mn (%) <=2.00 0.40-1.00
P (%) <=0.035 <=0.040
S (%) <=0.015 <=0.035
Cr (%) 19.0-21.0 11.5-13.00
Mo (%) 6.0-7.0 0.40-0.80
Ni (%) 24.0-26.0 <=1.0
N (%) 0.15-0.25 Not specified
Cu (%) 0.50-1.50 Not specified
V (%) Not specified 0.10-0.30
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 6603 X01Ni25Cr20Mo7CuN IS 1570 (Part 7) 12Cr12MoVH
Tensile Strength 650-850 MPa 770-930 MPa
Yield Strength >=300 MPa >=585 MPa (0.2 % proof stress)
Elongation >=40% >=15%
Condition Solution annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 160 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal) Bars, forgings, Q+T, thickness up to 150 (first row of Table 3)
Typical Applications
IS 6603 X01Ni25Cr20Mo7CuN
General purposes, semi-finished products, bars, wire rods and bright bars
IS 1570 (Part 7) 12Cr12MoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can IS 6603 X01Ni25Cr20Mo7CuN Be Substituted With IS 1570 (Part 7) 12Cr12MoVH?
IS 6603 X01Ni25Cr20Mo7CuN and IS 1570 (Part 7) 12Cr12MoVH 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 6603 X01Ni25Cr20Mo7CuN
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IS 1570 (Part 7) 12Cr12MoVH
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Frequently Asked Questions
What is the difference between IS 6603 X01Ni25Cr20Mo7CuN and IS 1570 (Part 7) 12Cr12MoVH?
IS 6603 X01Ni25Cr20Mo7CuN specifies N, Cu which are not specified for IS 1570 (Part 7) 12Cr12MoVH. IS 1570 (Part 7) 12Cr12MoVH specifies V which is not specified for IS 6603 X01Ni25Cr20Mo7CuN.
Can IS 6603 X01Ni25Cr20Mo7CuN be substituted with IS 1570 (Part 7) 12Cr12MoVH?
IS 6603 X01Ni25Cr20Mo7CuN and IS 1570 (Part 7) 12Cr12MoVH 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.