It is a seamless titanium and titanium alloy tube manufacture in china. All the products comply with astm standard which ensures our products are qualified to meet demands for varied industries such as heat exchange system, condenser and chemical engineering, shipbuilding field etc The following is the pipe's specification: Material: gr1.Gr2.Gr3 gr7.Gr9.Gr12 Manufacturing engineering: cold-rolled/seamless Specification: od 7-114mm Wt 0.5-12mm Length< 17000mm Standard: astmb861.Astmb 337.Astmb338