Close Alternative — 77.8% match
based on chemical composition and mechanical property overlap.
ASTM A276/A276M S31254 (ASTM A276/A276M:2017) and ASTM A240/A240M S31254 (ASTM A240/A240M:2025) are both steel grades.
Both fall under the Stainless Steel category.
ASTM A276/A276M S31254 is typically used for stainless steel bars and shapes (hot-finished or cold-finished), while ASTM A240/A240M S31254 is commonly used for pressure vessels and general applications (plate, sheet and strip).
ASTM A276/A276M S31254 is defined under ASTM International, originating from United States, while ASTM A240/A240M S31254 is defined under ASTM International, originating from United States.
As per chemical composition, ASTM A276/A276M S31254 vs ASTM A240/A240M S31254 is a 100% match.
As per mechanical properties, the match is 33.3%.
Combined, this makes them a close alternative overall at 77.8%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
ASTM A276/A276M S31254
ASTM A240/A240M S31254
Tensile Strength
>=650 MPa
>=690 MPa
Yield Strength
>=300 MPa
>=310 MPa
Elongation
>=35%
>=35%
Condition
Condition A (Annealed), hot-finished or cold-finished, all sizes (first row printed)
Sheet and strip (first condition printed); yield by 0.2 percent offset
Hardness
Not specified
<=223 HB
Typical Applications
ASTM A276/A276M S31254
Stainless steel bars and shapes (hot-finished or cold-finished)
ASTM A240/A240M S31254
Pressure vessels and general applications (plate, sheet and strip)
Can ASTM A276/A276M S31254 Be Substituted With ASTM A240/A240M S31254?
ASTM A276/A276M S31254 and ASTM A240/A240M S31254 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between ASTM A276/A276M S31254 and ASTM A240/A240M S31254?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A276/A276M S31254 be substituted with ASTM A240/A240M S31254?
ASTM A276/A276M S31254 and ASTM A240/A240M S31254 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.