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EN 10088-1:2023 X5NiCrAlTi31-20 Steel: Specifications & Listings

EN 10088-1:2023 X5NiCrAlTi31-20: X5NiCrAlTi31-20: austenitic creep-resistant stainless steel, steel number 1.4958. Specified in EN 10088-1:2023.

Category: Stainless Steel
Grade Details
GradeEN 10088-1:2023 X5NiCrAlTi31-20
Standard EN 10088-1:2023
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
EN 10088-1 X5NiCrAlTi31-20 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-1 X8NiCrAlTi32-21 EN 10088-1:2014 Europe (CEN) No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10088-1 X5NiCrAlTi31-20 EN 10088-1:2014 Strong Match
EN 10088-1 X8NiCrAlTi32-21 EN 10088-1:2014 Strong Match
EN 10088-1 X8NiCrAlTi32-21 EN 10088-1:2023 Strong Match
ASTM A959 800 ASTM A959:2011 Close Alternative
ASTM A240/A240M N08800 ASTM A240/A240M:2025 Close Alternative
ASTM A276/A276M N08800 ASTM A276/A276M:2017 Close Alternative
ASTM A959 800H ASTM A959:2011 Close Alternative
ASTM A240/A240M N08810 ASTM A240/A240M:2025 Close Alternative
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 Ni N Al Nb Ti Co Cu
0.03-0.08 <=0.70 <=1.50 <=0.015 <=0.010 19.0-22.0 30.0-32.5 <=0.030 0.20-0.50 <=0.10 0.20-0.50 <=0.50 <=0.50

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