... Joint Stub End Grade:Gr1,Gr2,Gr3,Gr4,Gr5,Ti6Al4VELI,Gr7,Gr9,Gr11,Gr12, Gr23 ISO9001:2000 Titanium Lap Joint Stub End1) ... 5) Sub ends NPS 1/4"-4"6)Elbows,tees, flange,reducer,caps,valves available.7)Application:Medical,Spaceflight,Aerospace,Indusrty ... , Navigation,Smelting,Chemical plants, and so on.8)Feature:Low density, high specific strength, high ...