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ASTM A240/A240M S44535 vs IS 1570 (Part 7) 12Cr12MoH

Minimal Match — 34.7% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S44535 (ASTM A240/A240M:2025) and IS 1570 (Part 7) 12Cr12MoH (IS 1570 (Part 7):1992) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S44535 is typically used for pressure vessels and general applications (plate, sheet and strip), while IS 1570 (Part 7) 12Cr12MoH 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 S44535 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 12Cr12MoH is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A240/A240M S44535 vs IS 1570 (Part 7) 12Cr12MoH is a 52% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 34.7%.

Frequently Compared With ASTM A240/A240M S44535:
EN 10088-1 1.4845 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 GOST 5632 06Kh23N28 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .- GB/T 3280 06Cr19Ni10
Match Breakdown
CHEMISTRY MATCH
52%
MECHANICAL MATCH
0%
OVERALL
34.7%
Specifications
Property ASTM A240/A240M S44535 IS 1570 (Part 7) 12Cr12MoH
Standard ASTM A240/A240M:2025 IS 1570 (Part 7):1992
Category Stainless Steel Stainless Steel
C (%) <=0.030 0.08-0.16
Mn (%) 0.30-0.80 0.40-1.00
P (%) <=0.050 <=0.040
S (%) <=0.020 <=0.035
Si (%) <=0.50 <=0.60
Cr (%) 20.0-24.0 11.5-13.00
Cu (%) <=0.50 Not specified
La (%) 0.04-0.20 Not specified
Ti (%) 0.03-0.20 Not specified
Al (%) <=0.50 Not specified
Ni (%) Not specified <=1.0
Mo (%) Not specified 0.40-0.80
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 S44535 IS 1570 (Part 7) 12Cr12MoH
Tensile Strength >=400 MPa 680-880 MPa
Yield Strength >=250 MPa >=490 MPa (0.2 % proof stress)
Elongation >=25% >=20%
Hardness <=90 HRBW Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Bars, forgings, Q+T, thickness up to 75 (first row of Table 3)
Typical Applications
ASTM A240/A240M S44535
Pressure vessels and general applications (plate, sheet and strip)
IS 1570 (Part 7) 12Cr12MoH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
Can ASTM A240/A240M S44535 Be Substituted With IS 1570 (Part 7) 12Cr12MoH?
ASTM A240/A240M S44535 and IS 1570 (Part 7) 12Cr12MoH 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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ASTM A240/A240M S44535
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IS 1570 (Part 7) 12Cr12MoH
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S44535 and IS 1570 (Part 7) 12Cr12MoH?
ASTM A240/A240M S44535 specifies Cu, La, Ti, Al which are not specified for IS 1570 (Part 7) 12Cr12MoH. IS 1570 (Part 7) 12Cr12MoH specifies Ni, Mo which are not specified for ASTM A240/A240M S44535.
Can ASTM A240/A240M S44535 be substituted with IS 1570 (Part 7) 12Cr12MoH?
ASTM A240/A240M S44535 and IS 1570 (Part 7) 12Cr12MoH 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.