Dear Sir, We are have a request of pipes for armor of micropales to build construction, as tunnel. The quality is written in four format: The italian quality is Fe 510 and Fe 430  The German is ST52 and ST44 The European is S355 or S275 The American is ASTM A 570 Grade 50 and ASTM A 570 Grade 40 Diameter 273mm X Thickness 8,8mm - 6,6mm - 6,3mm Lenght: 12 meters Diameter 75mm X Thickness 5,5mm Lenght: 6 meters Fe 510 Chemical Composition: C% Max 0,20 - 0,24 Mn% Max 1,60 Si% Max 0,55 P% Max 0,025 - 0,035 S% Max 0,025 - 0,035 N% Max 0 - 0,012 Cu% Max 0,55 Fe 430 Chemical C% Max 0,18 - 0,21 Mn% Max 1,50 Si% Max 0 P% Max 0,025 - 0,035 S% Max 0,025 - 0,035 N% Max 0 - 0,012 Cu% Max 0,55 We are searching a good producer for long term business. No Welded, Seamless; The pipe must be crude without manifacture. Shipping and Package: The cheapest  We would like to have the best quotation FOB price and CIF Catania and CIF Gioia Tauro Regards.