... 8.High property of acid and alkali resistance Product:Titanium investment casting Material : Titanium and titanium alloy Gradel: Gr1, GR2, GR3, ... Wall thickness: more than 1mm Standard: ASTM B367 Technique: Graphite casting / Investment casting Surface finished: Sand blasting, painted, Pickling Quality control: 100% ... ,flange ,welded pipe , Caps, elbow ,tee,reducer, stub end ,casting,valves available