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IS 6603 X01Cr25Ni21 vs IS 1570 (Part 7) 11Cr17Ni13W3TiH

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

IS 6603 X01Cr25Ni21 (IS 6603:2024) and IS 1570 (Part 7) 11Cr17Ni13W3TiH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. IS 6603 X01Cr25Ni21 is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while IS 1570 (Part 7) 11Cr17Ni13W3TiH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. IS 6603 X01Cr25Ni21 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 11Cr17Ni13W3TiH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 6603 X01Cr25Ni21 vs IS 1570 (Part 7) 11Cr17Ni13W3TiH is a 44.9% match. As per mechanical properties, the match is 21.2%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 6603 X01Cr25Ni21:
GOST 5632 06Kh23N28 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH GOST 5632 08X18H10 EN 10088-1 1.4006 ASTM A959 .- IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
44.9%
MECHANICAL MATCH
21.2%
OVERALL
35%
Specifications
Property IS 6603 X01Cr25Ni21 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Standard IS 6603:2024 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.020 0.07-0.15
Si (%) <=0.25 <=1.00
Mn (%) <=2.00 <=1.00
P (%) <=0.025 <=0.045
S (%) <=0.010 <=0.030
Cr (%) 24.0-26.0 15.5-17.50
Mo (%) <=0.20 Not specified
Ni (%) 20.0-22.0 12.00-14.50
N (%) <=0.10 Not specified
W (%) Not specified 2.5-3.5
Ti (%) Not specified >=4xC, <=0.80
B (%) Not specified <=0.0006
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 X01Cr25Ni21 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Tensile Strength 470-670 MPa 600-800 MPa
Condition Solution annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, rod only; Yield Strength is Rp0.2, Elongation is A (longitudinal) Bars, forgings, pipes, hot cold worked, thickness up to 60 (first row of Table 3)
Yield Strength Not specified >=390 MPa (0.2 % proof stress)
Elongation Not specified >=25%
Typical Applications
IS 6603 X01Cr25Ni21
General purposes, semi-finished products, bars, wire rods and bright bars
IS 1570 (Part 7) 11Cr17Ni13W3TiH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can IS 6603 X01Cr25Ni21 Be Substituted With IS 1570 (Part 7) 11Cr17Ni13W3TiH?
IS 6603 X01Cr25Ni21 and IS 1570 (Part 7) 11Cr17Ni13W3TiH 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 X01Cr25Ni21
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IS 1570 (Part 7) 11Cr17Ni13W3TiH
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Frequently Asked Questions
What is the difference between IS 6603 X01Cr25Ni21 and IS 1570 (Part 7) 11Cr17Ni13W3TiH?
IS 6603 X01Cr25Ni21 specifies Mo, N which are not specified for IS 1570 (Part 7) 11Cr17Ni13W3TiH. IS 1570 (Part 7) 11Cr17Ni13W3TiH specifies W, Ti, B which are not specified for IS 6603 X01Cr25Ni21.
Can IS 6603 X01Cr25Ni21 be substituted with IS 1570 (Part 7) 11Cr17Ni13W3TiH?
IS 6603 X01Cr25Ni21 and IS 1570 (Part 7) 11Cr17Ni13W3TiH 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.