ASTM A240/A240M S31803 vs EN 10088-3 X2CrNiMoN22-5-3
Close Alternative — 81.5% match
based on chemical composition and mechanical property overlap.
ASTM A240/A240M S31803 (ASTM A240/A240M:2025) and EN 10088-3 X2CrNiMoN22-5-3 (EN 10088-3:2014) are both steel grades.
Both fall under the Stainless Steel category.
ASTM A240/A240M S31803 is typically used for pressure vessels and general applications (plate, sheet and strip), while EN 10088-3 X2CrNiMoN22-5-3 is commonly used for general purposes, semi-finished products, bars, rods, wire, sections and bright products.
ASTM A240/A240M S31803 is defined under ASTM International, originating from United States, while EN 10088-3 X2CrNiMoN22-5-3 is defined under European Standard (EN), originating from Europe.
As per chemical composition, ASTM A240/A240M S31803 vs EN 10088-3 X2CrNiMoN22-5-3 is a 97.3% match.
As per mechanical properties, the match is 50%.
Combined, this makes them a close alternative overall at 81.5%.
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 S31803
EN 10088-3 X2CrNiMoN22-5-3
Tensile Strength
>=620 MPa
650-880 MPa
Yield Strength
>=450 MPa
>=450 MPa
Elongation
>=25%
>=25%
Hardness
<=293 HB
<=270 HB
Condition
Plate, sheet and strip; yield by 0.2 percent offset
Solution annealed (+AT), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 160 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal), hardness for guidance only
Typical Applications
ASTM A240/A240M S31803
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-3 X2CrNiMoN22-5-3
General purposes, semi-finished products, bars, rods, wire, sections and bright products
Can ASTM A240/A240M S31803 Be Substituted With EN 10088-3 X2CrNiMoN22-5-3?
ASTM A240/A240M S31803 and EN 10088-3 X2CrNiMoN22-5-3 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 A240/A240M S31803 and EN 10088-3 X2CrNiMoN22-5-3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S31803 be substituted with EN 10088-3 X2CrNiMoN22-5-3?
ASTM A240/A240M S31803 and EN 10088-3 X2CrNiMoN22-5-3 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.