ASTM A240/A240M S30908 vs IS 1570 (Part 7) 12Cr12MoVH
Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
ASTM A240/A240M S30908 (ASTM A240/A240M:2025) and IS 1570 (Part 7) 12Cr12MoVH (IS 1570 (Part 7):1992) are both steel grades.
Both fall under the Stainless Steel category.
ASTM A240/A240M S30908 is typically used for pressure vessels and general applications (plate, sheet and strip), while IS 1570 (Part 7) 12Cr12MoVH 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 S30908 is defined under ASTM International, originating from United States, while IS 1570 (Part 7) 12Cr12MoVH is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, ASTM A240/A240M S30908 vs IS 1570 (Part 7) 12Cr12MoVH is a 55.4% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 35%.
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 S30908
IS 1570 (Part 7) 12Cr12MoVH
Tensile Strength
>=515 MPa
770-930 MPa
Yield Strength
>=205 MPa
>=585 MPa (0.2 % proof stress)
Elongation
>=40%
>=15%
Hardness
<=217 HB
Not specified
Condition
Plate, sheet and strip; yield by 0.2 percent offset
Bars, forgings, Q+T, thickness up to 150 (first row of Table 3)
Typical Applications
ASTM A240/A240M S30908
Pressure vessels and general applications (plate, sheet and strip)
IS 1570 (Part 7) 12Cr12MoVH
Boilers, pressure vessels, steam turbines, steam and water piping and other power plant equipment working at elevated temperature
Key Differences
IS 1570 (Part 7) 12Cr12MoVH specifies Mo, V which are not specified for ASTM A240/A240M S30908.
Can ASTM A240/A240M S30908 Be Substituted With IS 1570 (Part 7) 12Cr12MoVH?
ASTM A240/A240M S30908 and IS 1570 (Part 7) 12Cr12MoVH 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 S30908 and IS 1570 (Part 7) 12Cr12MoVH?
IS 1570 (Part 7) 12Cr12MoVH specifies Mo, V which are not specified for ASTM A240/A240M S30908.
Can ASTM A240/A240M S30908 be substituted with IS 1570 (Part 7) 12Cr12MoVH?
ASTM A240/A240M S30908 and IS 1570 (Part 7) 12Cr12MoVH 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.