Strong Match — 90% match
based on chemical composition and mechanical property overlap.
ASTM A240/A240M S42900 (ASTM A240/A240M:2025) and ASTM A959 SS410 (ASTM A959:2011) are both steel grades.
Both fall under the Stainless Steel category.
ASTM A240/A240M S42900 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 SS410 is commonly used for cutlery, turbine blades, surgical instruments, fasteners.
ASTM A240/A240M S42900 is defined under ASTM International, originating from United States, while ASTM A959 SS410 is defined under ASTM International, originating from United States.
As per chemical composition, ASTM A240/A240M S42900 vs ASTM A959 SS410 is a 90% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a strong match overall at 90%.
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 S42900
ASTM A959 SS410
Tensile Strength
>=450 MPa
Not specified
Yield Strength
>=205 MPa
Not specified
Elongation
>=22%
Not specified
Hardness
<=183 HB
Not specified
Condition
Plate, sheet and strip; yield by 0.2 percent offset
Not specified
Typical Applications
ASTM A240/A240M S42900
Pressure vessels and general applications (plate, sheet and strip)
Can ASTM A240/A240M S42900 Be Substituted With ASTM A959 SS410?
ASTM A240/A240M S42900 and ASTM A959 SS410 overlap closely enough on chemistry and mechanical properties that ASTM A959 SS410 is often considered as a substitute for ASTM A240/A240M S42900 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between ASTM A240/A240M S42900 and ASTM A959 SS410?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S42900 be substituted with ASTM A959 SS410?
ASTM A240/A240M S42900 and ASTM A959 SS410 overlap closely enough on chemistry and mechanical properties that ASTM A959 SS410 is often considered as a substitute for ASTM A240/A240M S42900 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.