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Raw Materials

Raw materials used for tube production are the following:

- cold and hot rolled low carbon structural steel flat products for cold forming, according to the following standards:
UNI EN 10025-1:2005 Hot rolled products of structural steels - Part 1: General technical delivery conditions;
UNI EN 10025-2:2005 Hot rolled products of structural steels - Part 2: Technical delivery conditions for non-alloy structural steels;
UNI EN 10130:2007 Cold rolled low carbon steel flat products for cold forming - Technical delivery conditions;

- cold and hot rolled steel flat products with high yield strength for cold forming, according to the following standards:
UNI EN 10268:2006 Cold rolled steel flat products with high yield strength for cold forming - Technical delivery conditions;
UNI EN 10149-2:1997 Hot-rolled flat products made of high yield strength steels for cold forming - Delivery conditions for thermomechanically rolled steels;

- cold and hot rolled low carbon steel flat products for cold forming continuously hot-dip aluminium-silicon (AS) and zinc (Z) coated steel strip, according to the following standard:
UNI EN 10346:2009 Continuously hot-dip coated steel flat products - Technical delivery conditions.