ASTM A240/A240M S33228 vs IS 1570 (Part 7) 12Cr13H
Minimal Match — 40.9% match
based on chemical composition and mechanical property overlap.
ASTM A240/A240M S33228 (ASTM A240/A240M:2025) and IS 1570 (Part 7) 12Cr13H (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Stainless Steel category.
ASTM A240/A240M S33228 is typically used for pressure vessels and general applications (plate, sheet and strip), 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.
ASTM A240/A240M S33228 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 12Cr13H is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, ASTM A240/A240M S33228 vs IS 1570 (Part 7) 12Cr13H is a 61.4% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 40.9%.
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 S33228
IS 1570 (Part 7) 12Cr13H
Tensile Strength
>=500 MPa
470-670 MPa
Yield Strength
>=185 MPa
>=265 MPa (0.2 % proof stress)
Elongation
>=30%
>=20%
Hardness
<=217 HB
Not specified
Condition
Plate, sheet and strip; yield by 0.2 percent offset
Bars, forgings, plates, A, thickness up to 160 (first row of Table 3)
Typical Applications
ASTM A240/A240M S33228
Pressure vessels and general applications (plate, sheet and strip)
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
ASTM A240/A240M S33228 specifies Ce, Nb, Al which are not specified for IS 1570 (Part 7) 12Cr13H.
Can ASTM A240/A240M S33228 Be Substituted With IS 1570 (Part 7) 12Cr13H?
ASTM A240/A240M S33228 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.
What is the difference between ASTM A240/A240M S33228 and IS 1570 (Part 7) 12Cr13H?
ASTM A240/A240M S33228 specifies Ce, Nb, Al which are not specified for IS 1570 (Part 7) 12Cr13H.
Can ASTM A240/A240M S33228 be substituted with IS 1570 (Part 7) 12Cr13H?
ASTM A240/A240M S33228 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.