... material,advanced equipment,and Test Report Provided 1. Material:Titanium;Gr1,Gr2,Gr5,Gr7,Gr9,Gr232. Size: OD.5mm -150mm, ID.0 ... tube: Round ,square, rectangular , oval , and the plum blossom ,Straight Pipe, twisted , shaped steel frame tubes. 4. Application: Motor shell ,Compressor ...