... .1, Gr.2, Gr.3, Gr.7, Gr.9, Gr.12 3) Seamless pipe4) OD: 1-169mm; WT: 0.5-10mm ... to know your company. We are special manufacture for titanium tube, Moenl, Alloy 825 ,we will attach the certificate with product ... (DNV) maritime department in the world, for the seamless titanium tube. titanium square tube