... .High property of acid and alkali resistance Product:Titanium investment casting Material : Titanium and titanium alloy Gradel: Gr1, GR2, GR3, GR4, GR7, GR9 ... inspection (PT) Application: Chemical, Petroleum, Machinery, Industry, etc. Other products:titanium sheet ,rods,wire, fastener,flange ,welded pipe , Caps, elbow ,tee ...