... 3. Professional Tech Support ASTM B381 Gr2 Titanium flange for machine 1. Material:Gr1,Gr2,Gr5,Gr7,Gr9,Gr12 2.Size ... . Flange surface: FF,RF,TG,RJ etc 7.Quality control: Ultrasonic Testing & Material Test Report 8.Packaging: Plywood case line with ...