... -159mm; WT:0.5-15mm Titanium pipes1. Standard: to ASTM B/ASME SB 861,337,3382. Material: Gr.1,Gr.2 ... ,Gr.3,Gr.7,Gr.9,Gr.123. OD: 6-159 mm; WT: 0.5-15 mm4. Annual output: 800 tonsAble ... ISO9001 authentication, PED, DNV and Lloyd's certification successfully. ASTM B/ASME SB 861 titanium welded pipe