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IS 6603 X11Cr19Ni8Mn6N vs IS 1570 (Part 7) 12Cr12Ni2Mo

Minimal Match — 33.4% match based on chemical composition and mechanical property overlap.

IS 6603 X11Cr19Ni8Mn6N (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 X11Cr19Ni8Mn6N 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 X11Cr19Ni8Mn6N 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 X11Cr19Ni8Mn6N vs IS 1570 (Part 7) 12Cr12Ni2Mo is a 48.8% match. As per mechanical properties, the match is 2.6%. Combined, this makes them a minimal match overall at 33.4%.

Frequently Compared With IS 6603 X11Cr19Ni8Mn6N:
GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoH EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .- GB/T 3280 06Cr19Ni10 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
48.8%
MECHANICAL MATCH
2.6%
OVERALL
33.4%
Specifications
Property IS 6603 X11Cr19Ni8Mn6N IS 1570 (Part 7) 12Cr12Ni2Mo
Standard IS 6603:2024 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) 0.07-0.15 0.08-0.16
Si (%) 0.50-1.00 <=0.35
Mn (%) 5.0-7.5 0.50-0.90
P (%) <=0.030 <=0.040
S (%) <=0.015 <=0.030
Cr (%) 17.5-19.5 11.0-12.5
Ni (%) 6.5-8.5 2.0-3.0
N (%) 0.20-0.30 0.02-0.04
Mo (%) Not specified 1.5-2.00
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 X11Cr19Ni8Mn6N IS 1570 (Part 7) 12Cr12Ni2Mo
Tensile Strength 750-950 MPa 930-1130 MPa
Yield Strength >=340 MPa >=785 MPa (0.2 % proof stress)
Condition Solution annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 15 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal) Bars, forgings, Q+T, thickness up to 150 (first row of Table 3)
Elongation Not specified >=14%
Typical Applications
IS 6603 X11Cr19Ni8Mn6N
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 X11Cr19Ni8Mn6N Be Substituted With IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 6603 X11Cr19Ni8Mn6N 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 X11Cr19Ni8Mn6N
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IS 1570 (Part 7) 12Cr12Ni2Mo
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Frequently Asked Questions
What is the difference between IS 6603 X11Cr19Ni8Mn6N and IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 1570 (Part 7) 12Cr12Ni2Mo specifies Mo, V which are not specified for IS 6603 X11Cr19Ni8Mn6N.
Can IS 6603 X11Cr19Ni8Mn6N be substituted with IS 1570 (Part 7) 12Cr12Ni2Mo?
IS 6603 X11Cr19Ni8Mn6N 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.