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IS 6603 X01Ni25Cr20Mo5Cu vs IS 1570 (Part 7) 12Cr12Ni2Mo

Minimal Match — 29.6% match based on chemical composition and mechanical property overlap.

IS 6603 X01Ni25Cr20Mo5Cu (IS 6603:2024) and IS 1570 (Part 7) 12Cr12Ni2Mo (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. IS 6603 X01Ni25Cr20Mo5Cu is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while IS 1570 (Part 7) 12Cr12Ni2Mo is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. IS 6603 X01Ni25Cr20Mo5Cu is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 12Cr12Ni2Mo is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 6603 X01Ni25Cr20Mo5Cu vs IS 1570 (Part 7) 12Cr12Ni2Mo is a 44.4% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 29.6%.

Frequently Compared With IS 6603 X01Ni25Cr20Mo5Cu:
GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 GOST 5632 06Kh23N28 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH ASTM A959 .- IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
44.4%
MECHANICAL MATCH
0%
OVERALL
29.6%
Specifications
Property IS 6603 X01Ni25Cr20Mo5Cu IS 1570 (Part 7) 12Cr12Ni2Mo
Standard IS 6603:2024 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.020 0.08-0.16
Si (%) <=0.75 <=0.35
Mn (%) <=2.00 0.50-0.90
P (%) <=0.035 <=0.040
S (%) <=0.015 <=0.030
Cr (%) 19.0-22.0 11.0-12.5
Mo (%) 4.0-5.0 1.5-2.00
Ni (%) 23.5-26.0 2.0-3.0
N (%) <=0.15 0.02-0.04
Cu (%) 1.20-2.00 Not specified
V (%) Not specified 0.25-0.40
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 X01Ni25Cr20Mo5Cu IS 1570 (Part 7) 12Cr12Ni2Mo
Tensile Strength 530-730 MPa 930-1130 MPa
Yield Strength >=220 MPa >=785 MPa (0.2 % proof stress)
Elongation >=35% >=14%
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 X01Ni25Cr20Mo5Cu
General purposes, semi-finished products, bars, wire rods and bright bars
IS 1570 (Part 7) 12Cr12Ni2Mo
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can IS 6603 X01Ni25Cr20Mo5Cu Be Substituted With IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 6603 X01Ni25Cr20Mo5Cu and IS 1570 (Part 7) 12Cr12Ni2Mo 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 X01Ni25Cr20Mo5Cu
0 active listings and RFQs →
IS 1570 (Part 7) 12Cr12Ni2Mo
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 6603 X01Ni25Cr20Mo5Cu and IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 6603 X01Ni25Cr20Mo5Cu specifies Cu which is not specified for IS 1570 (Part 7) 12Cr12Ni2Mo. IS 1570 (Part 7) 12Cr12Ni2Mo specifies V which is not specified for IS 6603 X01Ni25Cr20Mo5Cu.
Can IS 6603 X01Ni25Cr20Mo5Cu be substituted with IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 6603 X01Ni25Cr20Mo5Cu and IS 1570 (Part 7) 12Cr12Ni2Mo 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.