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IS 6603 X03Cr17Nb vs IS 1570 (Part 7) 12Cr13H

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

IS 6603 X03Cr17Nb (IS 6603:2024) and IS 1570 (Part 7) 12Cr13H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. IS 6603 X03Cr17Nb is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while IS 1570 (Part 7) 12Cr13H is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. IS 6603 X03Cr17Nb is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 7) 12Cr13H is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 6603 X03Cr17Nb vs IS 1570 (Part 7) 12Cr13H is a 68.8% match. As per mechanical properties, the match is 33.3%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 6603 X03Cr17Nb:
EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4301 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4401 ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
68.8%
MECHANICAL MATCH
33.3%
OVERALL
35%
Specifications
Property IS 6603 X03Cr17Nb IS 1570 (Part 7) 12Cr13H
Standard IS 6603:2024 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.05 0.09-0.15
Si (%) <=1.00 <=1.00
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.015 <=0.030
Cr (%) 16.0-18.0 11.5-14.00
Nb (%) <=1.00 Not specified
Ni (%) Not specified <=1.00
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 X03Cr17Nb IS 1570 (Part 7) 12Cr13H
Tensile Strength >=420 MPa 470-670 MPa
Yield Strength >=230 MPa >=265 MPa (0.2 % proof stress)
Elongation >=20% >=20%
Condition Annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 100 mm; Tensile Strength is a minimum as printed Bars, forgings, plates, A, thickness up to 160 (first row of Table 3)
Typical Applications
IS 6603 X03Cr17Nb
General purposes, semi-finished products, bars, wire rods and bright bars
IS 1570 (Part 7) 12Cr13H
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can IS 6603 X03Cr17Nb Be Substituted With IS 1570 (Part 7) 12Cr13H?
IS 6603 X03Cr17Nb and IS 1570 (Part 7) 12Cr13H 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 6603 X03Cr17Nb
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IS 1570 (Part 7) 12Cr13H
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Frequently Asked Questions
What is the difference between IS 6603 X03Cr17Nb and IS 1570 (Part 7) 12Cr13H?
IS 6603 X03Cr17Nb specifies Nb which is not specified for IS 1570 (Part 7) 12Cr13H. IS 1570 (Part 7) 12Cr13H specifies Ni which is not specified for IS 6603 X03Cr17Nb.
Can IS 6603 X03Cr17Nb be substituted with IS 1570 (Part 7) 12Cr13H?
IS 6603 X03Cr17Nb and IS 1570 (Part 7) 12Cr13H 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.