Minimal Match — 32.6% match
based on chemical composition and mechanical property overlap.
ASTM A240/A240M S31266 (ASTM A240/A240M:2025) and EN 10088-1 1.4845 (EN 10088-1:2014) are both steel grades.
Both fall under the Stainless Steel category.
ASTM A240/A240M S31266 is typically used for pressure vessels and general applications (plate, sheet and strip), while EN 10088-1 1.4845 is commonly used for furnace parts, heat exchangers, kiln components.
ASTM A240/A240M S31266 is defined under ASTM International, originating from United States, while EN 10088-1 1.4845 is defined under European Standard (EN), originating from Europe.
As per chemical composition, ASTM A240/A240M S31266 vs EN 10088-1 1.4845 is a 48.9% match.
As per mechanical properties, the match is 0%.
Combined, this makes them a minimal match overall at 32.6%.
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 S31266
EN 10088-1 1.4845
Tensile Strength
>=750 MPa
≥515 MPa
Yield Strength
>=420 MPa
≥205 MPa
Elongation
>=35%
≥40%
Condition
Plate, sheet and strip; yield by 0.2 percent offset
Not specified
Max Service Temp
Not specified
1100°C continuous
Typical Applications
ASTM A240/A240M S31266
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 1.4845
Furnace parts, heat exchangers, kiln components
Key Differences
ASTM A240/A240M S31266 specifies P, S, Mo, N which are not specified for EN 10088-1 1.4845.
Can ASTM A240/A240M S31266 Be Substituted With EN 10088-1 1.4845?
ASTM A240/A240M S31266 and EN 10088-1 1.4845 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 S31266 and EN 10088-1 1.4845?
ASTM A240/A240M S31266 specifies P, S, Mo, N which are not specified for EN 10088-1 1.4845.
Can ASTM A240/A240M S31266 be substituted with EN 10088-1 1.4845?
ASTM A240/A240M S31266 and EN 10088-1 1.4845 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.