... Machining Grade:Gr1,Gr2,Gr9 About profacts: titanium tube pipe Titanium and Titanium alloy specifications: 1)Common Ground a,Out diameter:2 ... : a, Titanium for the chemical aspects,PCBequipment,electrodes. b, Titanium alloy used in Bicycle,Motorcycles,Electric Vehicles,Medical,Aircarft,Weapons etc ... standard. Please feel free to contact us upon your inquiry Seamless titanium pipe tube