D41
Parts, products, semi-finished products and billets of non-ferrous metals and alloys.
Classification
Chemical composition
Note: In the manufacture of pipes allowed: Fe < 0.4; Si < 0.4; Ti < 0.1; Zn < 0.2 When used for anodizing: Mn < 0.2; Cr < 0.5 To increase the corrosion resistance it is allowed: Cu < 0.05; Zn < 0.1; Ti 0.02 - 0.2