gr5 titanium alloy pipe standard: astm b 337/338,astm b 861/862 ... ,China Grade: Gr5, Titanium pipeTitanium tube, titanium pipe titanium alloy tube, titanium alloy pipe, titanium elbow seamless titanium tube and welding titanium ... , ASTM b8613. Production description:1) size: Outer diameter: 3-300mm2) shape: Round, square3) length: <=6000mm4) weight: According to the size.5 ...