... 10, X6CrNiTi18-10 1.ScopeThis standard specifies technical delivery conditions for general purpose welded circular tubes made of stainless ferritic or austenitic steels ... in the food,pharmaceutical and automobile industries,as well as for domestic installations or decorative purposes.Tubes covered by this ... 15,0010,50-13,0012,50-14,50 DIN 17455 General purpose welded circular stainless steel tubes