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ASTM A240/A240M S20400 vs IS 1570 (Part 7) 11Cr17Ni13W3TiH

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

ASTM A240/A240M S20400 (ASTM A240/A240M:2025) and IS 1570 (Part 7) 11Cr17Ni13W3TiH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S20400 is typically used for pressure vessels and general applications (plate, sheet and strip), while IS 1570 (Part 7) 11Cr17Ni13W3TiH is commonly used for boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature. ASTM A240/A240M S20400 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 11Cr17Ni13W3TiH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A240/A240M S20400 vs IS 1570 (Part 7) 11Cr17Ni13W3TiH is a 57.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With ASTM A240/A240M S20400:
IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4006 EN 10088-1 1.4401 ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 201L GOST 5632 06Kh23N28 IS 1570 (Part 7) 12Cr12MoH ASTM A959 201LN
Match Breakdown
CHEMISTRY MATCH
57.5%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property ASTM A240/A240M S20400 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Standard ASTM A240/A240M:2025 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.030 0.07-0.15
Mn (%) 7.00-9.00 <=1.00
P (%) <=0.040 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Cr (%) 15.0-17.0 15.5-17.50
Ni (%) 1.50-3.00 12.00-14.50
N (%) 0.15-0.30 Not specified
W (%) Not specified 2.5-3.5
Ti (%) Not specified >=4xC, <=0.80
B (%) Not specified <=0.0006
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A240/A240M S20400 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Tensile Strength >=655 MPa 600-800 MPa
Yield Strength >=330 MPa >=390 MPa (0.2 % proof stress)
Elongation >=35% >=25%
Hardness <=241 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Bars, forgings, pipes, hot cold worked, thickness up to 60 (first row of Table 3)
Typical Applications
ASTM A240/A240M S20400
Pressure vessels and general applications (plate, sheet and strip)
IS 1570 (Part 7) 11Cr17Ni13W3TiH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can ASTM A240/A240M S20400 Be Substituted With IS 1570 (Part 7) 11Cr17Ni13W3TiH?
ASTM A240/A240M S20400 and IS 1570 (Part 7) 11Cr17Ni13W3TiH 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
ASTM A240/A240M S20400
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IS 1570 (Part 7) 11Cr17Ni13W3TiH
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S20400 and IS 1570 (Part 7) 11Cr17Ni13W3TiH?
ASTM A240/A240M S20400 specifies N which is not specified for IS 1570 (Part 7) 11Cr17Ni13W3TiH. IS 1570 (Part 7) 11Cr17Ni13W3TiH specifies W, Ti, B which are not specified for ASTM A240/A240M S20400.
Can ASTM A240/A240M S20400 be substituted with IS 1570 (Part 7) 11Cr17Ni13W3TiH?
ASTM A240/A240M S20400 and IS 1570 (Part 7) 11Cr17Ni13W3TiH 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.