titanium flange for Mechanical parts 1.Material:GR1,GR2,GR5(Ti6AL4V), ... Specs:OD(200-700mm) 4.Wei titanium flange for Mechanical partsFlangesBlind Flange (Raised Face)1/2″ through 24 ... ASTM B381.4) feature: low density, light weight, high strength, good corrosion resistance, resist strong acid and alkali, ... . Inner diameter: 100~300mm, 150~500mm, 300~900mm. High: 35~120mm, 40~160mm, 50~180mm, 70~250mm.7 ...