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IS 6603 X03Cr13Ni4Mo vs IS 1570 (Part 7) 12Cr12Ni2Mo

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

IS 6603 X03Cr13Ni4Mo (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 X03Cr13Ni4Mo 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 X03Cr13Ni4Mo 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 X03Cr13Ni4Mo vs IS 1570 (Part 7) 12Cr12Ni2Mo is a 53.9% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 6603 X03Cr13Ni4Mo:
GOST 5632 06Kh23N28 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoVH ASTM A959 25-4-4 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoH ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
53.9%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 6603 X03Cr13Ni4Mo IS 1570 (Part 7) 12Cr12Ni2Mo
Standard IS 6603:2024 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.05 0.08-0.16
Si (%) <=0.70 <=0.35
Mn (%) 0.50-1.00 0.50-0.90
P (%) <=0.040 <=0.040
S (%) <=0.015 <=0.030
Cr (%) 12.0-14.0 11.0-12.5
Mo (%) 0.30-1.00 1.5-2.00
Ni (%) 3.5-4.5 2.0-3.0
V (%) Not specified 0.25-0.40
N (%) Not specified 0.02-0.04
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 X03Cr13Ni4Mo IS 1570 (Part 7) 12Cr12Ni2Mo
Tensile Strength <=1100 MPa 930-1130 MPa
Hardness <=320 HB Not specified
Condition Soft annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, all sizes; hardness as printed Bars, forgings, Q+T, thickness up to 150 (first row of Table 3)
Yield Strength Not specified >=785 MPa (0.2 % proof stress)
Elongation Not specified >=14%
Typical Applications
IS 6603 X03Cr13Ni4Mo
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 X03Cr13Ni4Mo Be Substituted With IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 6603 X03Cr13Ni4Mo 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 X03Cr13Ni4Mo
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IS 1570 (Part 7) 12Cr12Ni2Mo
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Frequently Asked Questions
What is the difference between IS 6603 X03Cr13Ni4Mo and IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 1570 (Part 7) 12Cr12Ni2Mo specifies V, N which are not specified for IS 6603 X03Cr13Ni4Mo.
Can IS 6603 X03Cr13Ni4Mo be substituted with IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 6603 X03Cr13Ni4Mo 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.