... smooth and clean, can protect the welding machine efficiency. 2.Lower splash, lower noise ,higher quality welding surfaces 3.Technical data: Si: 0 ... , Ti: 0.06-0.2, Be:0.00034.Available: (1)TIG: Length: 1m rod Spec.: dia. 1.6MM, 2.0MM, 2 ... ,2.4MMPackaging: 0.5kg/ Spool, 2kg/Spool, 7kg/Spool aluminum welding wire rod ER 5356 TIG/MIG