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EN 10088-1:2023 X2CrAlSiNb18 Steel: Specifications & Listings

EN 10088-1:2023 X2CrAlSiNb18: X2CrAlSiNb18: ferritic corrosion-resistant stainless steel, steel number 1.4634. Specified in EN 10088-1:2023.

Category: Stainless Steel
Grade Details
GradeEN 10088-1:2023 X2CrAlSiNb18
Standard EN 10088-1:2023
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
EN 10088-1 X2CrAlSiNb18 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-1 X2CrTi21 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-2 X2CrAlSiNb18 EN 10088-2:2014 Europe No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10088-1 X2CrAlSiNb18 EN 10088-1:2014 Strong Match
EN 10088-2 X2CrAlSiNb18 EN 10088-2:2014 Strong Match
EN 10088-1 X2CrTi21 EN 10088-1:2014 Strong Match
EN 10088-1 X2CrTi21 EN 10088-1:2023 Strong Match
EN 10088-3 X2CrTi21 EN 10088-3:2014 Close Alternative
EN 10088-2 X2CrTi21 EN 10088-2:2014 Close Alternative
ASTM A959 444 ASTM A959:2011 Related Material
ASTM A240/A240M S44400 ASTM A240/A240M:2025 Related Material
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Si Mn P S Cr Mo Ni Al Cu
<=0.030 0.20-1.50 <=1.00 <=0.050 <=0.050 17.5-18.5 <=0.50 <=0.50 0.20-1.50 <=0.50

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