titanium bicycle frame tube 1.Material:Gr1,Gr2,Gr3,Gr5,Gr9 2. ... ,THK0.4-10mm,L15000mm 3.Standard:ASTM B337,B338 titanium bicycle frame tube1. Type: TitaniumPipe/Tube. 2. Standard: ASTMB338, ASTM B337 ... specification would be changed by the customers' requirements. supply titanium bicycle frame tube