Titanium bar and titanium rod: Our company is the main manufacturer of titanium bar/rod in China. Titanium bar/rod:Shape:Square barMaterial:Gr1,Gr2,Gr3,Gr4,Gr5,Gr7,Gr9,Gr11,Gr12,etc.Standard:ASTM B348Surface:brightSpecification:Dia8mm*8mm(min.) Lenghth:6m(max.)Straightness:Up to 0.2mm/m after straighten.