... welded stainless steel tubes -Material: X5CrNi18-10, X2CrNi19-11, X2CrNiN18-10, X6CrNiTi18-10 1.ScopeThis standard specifies technical delivery conditions for ... chromium content of at least 10.5%(m/m) and a carbon content not exceeding 1.2%(m/m) Steel gradeChemical composition(percentage ... 0,654(C+N)+0,15 to 0,80,10-0,30AlAustenitic steelsX5CrNi18-10X2CrNi19-11X2CrNiN18-10X6CrNiTi18-10X6CrNiNb18-101, ...