Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
ASTM A240/A240M S30409 (ASTM A240/A240M:2025) and EN 10088-1 1.4301 (EN 10088-1:2014) are both steel grades.
Both fall under the Stainless Steel category.
ASTM A240/A240M S30409 is typically used for pressure vessels and general applications (plate, sheet and strip), while EN 10088-1 1.4301 is commonly used for food equipment, chemical vessels, architectural, kitchenware.
ASTM A240/A240M S30409 is defined under ASTM International, originating from United States, while EN 10088-1 1.4301 is defined under European Standard (EN), originating from Europe.
As per chemical composition, ASTM A240/A240M S30409 vs EN 10088-1 1.4301 is a 77.2% 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 S30409
EN 10088-1 1.4301
Tensile Strength
>=515 MPa
≥520 MPa
Yield Strength
>=205 MPa
≥210 MPa
Elongation
>=40%
≥45%
Hardness
<=201 HB
≤215 HB
Condition
Plate, sheet and strip; yield by 0.2 percent offset
Not specified
Typical Applications
ASTM A240/A240M S30409
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 1.4301
Food equipment, chemical vessels, architectural, kitchenware
Can ASTM A240/A240M S30409 Be Substituted With EN 10088-1 1.4301?
ASTM A240/A240M S30409 and EN 10088-1 1.4301 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 S30409 and EN 10088-1 1.4301?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S30409 be substituted with EN 10088-1 1.4301?
ASTM A240/A240M S30409 and EN 10088-1 1.4301 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.