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IS 1570 (Part 7) 11Cr17Ni13W3TiH vs ASTM A959 431

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 7) 11Cr17Ni13W3TiH (IS 1570 (Part 7):1992) and ASTM A959 431 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. IS 1570 (Part 7) 11Cr17Ni13W3TiH is typically used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature, while ASTM A959 431 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). IS 1570 (Part 7) 11Cr17Ni13W3TiH is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A959 431 is defined under ASTM International, originating from United States.

As per chemical composition, IS 1570 (Part 7) 11Cr17Ni13W3TiH vs ASTM A959 431 is a 72% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With IS 1570 (Part 7) 11Cr17Ni13W3TiH:
EN 10088-1 1.4401 ASTM A959 .- GB/T 3280 06Cr19Ni10 IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr13H IS 1570 (Part 7) 20Cr12MoNiVH GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
72%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 431
Standard IS 1570 (Part 7):1992 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.07-0.15 <=0.20
Si (%) <=1.00 <=1.00
Mn (%) <=1.00 <=1.00
P (%) <=0.045 <=0.040
S (%) <=0.030 <=0.030
Cr (%) 15.5-17.50 15.0-17.0
Ni (%) 12.00-14.50 1.25-2.50
W (%) 2.5-3.5 Not specified
Ti (%) >=4xC, <=0.80 Not specified
B (%) <=0.0006 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) 11Cr17Ni13W3TiH ASTM A959 431
Tensile Strength 600-800 MPa Not specified
Yield Strength >=390 MPa (0.2 % proof stress) Not specified
Elongation >=25% Not specified
Condition Bars, forgings, pipes, hot cold worked, thickness up to 60 (first row of Table 3) Not specified
Typical Applications
IS 1570 (Part 7) 11Cr17Ni13W3TiH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
ASTM A959 431
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can IS 1570 (Part 7) 11Cr17Ni13W3TiH Be Substituted With ASTM A959 431?
IS 1570 (Part 7) 11Cr17Ni13W3TiH and ASTM A959 431 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 1570 (Part 7) 11Cr17Ni13W3TiH
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ASTM A959 431
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Frequently Asked Questions
What is the difference between IS 1570 (Part 7) 11Cr17Ni13W3TiH and ASTM A959 431?
IS 1570 (Part 7) 11Cr17Ni13W3TiH specifies W, Ti, B which are not specified for ASTM A959 431.
Can IS 1570 (Part 7) 11Cr17Ni13W3TiH be substituted with ASTM A959 431?
IS 1570 (Part 7) 11Cr17Ni13W3TiH and ASTM A959 431 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.