Grade X10CrAlSi 18
European Standard Steel Grade 1.4742
Corresponding Standard EN 10088-1-2005
Staehle Stainless steels. Part 1:List of stainless steels
Classification Ferritic Stainless Steel
Properties Corrosion Resistance
Density 7.7 g/cm3
X10CrAlSi 18 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Al
Minimum Value - 0.7 - - - 17 0.7
Maximum Value 0.12 1.4 1 0.04 0.015 19 1.2
① Elements not listed in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All appropriate precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel.
1 Approximate Comparison Table
Germany France European Standard United Kingdom
DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade BS EN/BS
X10CrAl 18
X10CrAlSi 18
1.4742
1.4742
Z10CAS 18 X10CrAlSi 18 1.4742 430S15
2 Approximate Comparison Table
International Organization for Standardization European Standard
ISO Numerical Grade Numerical Grade
X10CrAlSi18 4742-430-77-I 1.4742

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