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IS 1570 (Part 7) 7Cr18Ni11NbH vs IS 1570 (Part 7) 12Cr13H

Minimal Match — 54.9% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 7Cr18Ni11NbH (IS 1570 (Part 7):1992) and IS 1570 (Part 7) 12Cr13H (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. IS 1570 (Part 7) 7Cr18Ni11NbH is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, 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 1570 (Part 7) 7Cr18Ni11NbH 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 1570 (Part 7) 7Cr18Ni11NbH vs IS 1570 (Part 7) 12Cr13H is a 71.3% match. As per mechanical properties, the match is 22.2%. Combined, this makes them a minimal match overall at 54.9%.

Frequently Compared With IS 1570 (Part 7) 7Cr18Ni11NbH:
IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH GOST 5632 06Kh23N28 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
71.3%
MECHANICAL MATCH
22.2%
OVERALL
54.9%
Specifications
Property IS 1570 (Part 7) 7Cr18Ni11NbH IS 1570 (Part 7) 12Cr13H
Standard IS 1570 (Part 7):1992 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) 0.04-0.10 0.09-0.15
Si (%) <=0.75 <=1.00
Mn (%) <=2.00 <=1.00
P (%) <=0.045 <=0.040
S (%) <=0.030 <=0.030
Cr (%) 17.00-19.00 11.5-14.00
Ni (%) 9.00-13.00 <=1.00
Nb+Ta (%) >=10xC, <=1.00 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 1570 (Part 7) 7Cr18Ni11NbH IS 1570 (Part 7) 12Cr13H
Tensile Strength 510-710 MPa 470-670 MPa
Yield Strength >=205 MPa (0.2 % proof stress) >=265 MPa (0.2 % proof stress)
Elongation >=30% >=20%
Condition Pipes, bars, forgings, plates, Q, thickness - (first row of Table 3) Bars, forgings, plates, A, thickness up to 160 (first row of Table 3)
Typical Applications
IS 1570 (Part 7) 7Cr18Ni11NbH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
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 1570 (Part 7) 7Cr18Ni11NbH Be Substituted With IS 1570 (Part 7) 12Cr13H?
IS 1570 (Part 7) 7Cr18Ni11NbH 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.
On M-EX Right Now
IS 1570 (Part 7) 7Cr18Ni11NbH
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IS 1570 (Part 7) 12Cr13H
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 7Cr18Ni11NbH and IS 1570 (Part 7) 12Cr13H?
IS 1570 (Part 7) 7Cr18Ni11NbH specifies Nb+Ta which is not specified for IS 1570 (Part 7) 12Cr13H.
Can IS 1570 (Part 7) 7Cr18Ni11NbH be substituted with IS 1570 (Part 7) 12Cr13H?
IS 1570 (Part 7) 7Cr18Ni11NbH 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.