... thickness: 0.5mm-3.0mm Ti-Cu Titanium Clad Copper Bar In High Quality :Grade: ZTA1, ZTA2, T1, T2Processing state:hot/cold ... layer-Excellent conductivity and fully ductile for shaping and forming due to OFHC (Oxygen-Free High Conductivity) Copper Core and Great weldability ... different shapes (round,barrel, square,flat),and bend, group-weld it as you wish. Ti-Cu Titanium Clad Copper Bar In High Quality