Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
EN 10088-3 X7CrNiAl17-7 (EN 10088-3:2014) and EN 10088-1 1.4401 (EN 10088-1:2014) are both steel grades.
Both fall under the Stainless Steel category.
EN 10088-3 X7CrNiAl17-7 is typically used for general purposes, semi-finished products, bars, rods, wire, sections and bright products, while EN 10088-1 1.4401 is commonly used for marine, chemical processing, pharmaceutical equipment.
EN 10088-3 X7CrNiAl17-7 is defined under European Standard (EN), originating from Europe, while EN 10088-1 1.4401 is defined under European Standard (EN), originating from Europe.
As per chemical composition, EN 10088-3 X7CrNiAl17-7 vs EN 10088-1 1.4401 is a 60.6% 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
EN 10088-3 X7CrNiAl17-7
EN 10088-1 1.4401
Tensile Strength
<=850 MPa
≥520 MPa
Hardness
<=255 HB
≤215 HB
Condition
Solution annealed (+AT), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 30 mm; hardness for guidance only
Not specified
Yield Strength
Not specified
≥210 MPa
Elongation
Not specified
≥40%
Typical Applications
EN 10088-3 X7CrNiAl17-7
General purposes, semi-finished products, bars, rods, wire, sections and bright products
EN 10088-1 1.4401
Marine, chemical processing, pharmaceutical equipment
Key Differences
EN 10088-3 X7CrNiAl17-7 specifies P, S, Al which are not specified for EN 10088-1 1.4401.
EN 10088-1 1.4401 specifies Mo which is not specified for EN 10088-3 X7CrNiAl17-7.
Can EN 10088-3 X7CrNiAl17-7 Be Substituted With EN 10088-1 1.4401?
EN 10088-3 X7CrNiAl17-7 and EN 10088-1 1.4401 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 EN 10088-3 X7CrNiAl17-7 and EN 10088-1 1.4401?
EN 10088-3 X7CrNiAl17-7 specifies P, S, Al which are not specified for EN 10088-1 1.4401. EN 10088-1 1.4401 specifies Mo which is not specified for EN 10088-3 X7CrNiAl17-7.
Can EN 10088-3 X7CrNiAl17-7 be substituted with EN 10088-1 1.4401?
EN 10088-3 X7CrNiAl17-7 and EN 10088-1 1.4401 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.