Gr2 ASTM B338 titanium heat exchanger tube Product Introduction Item NameGr2 ASTM B338 titanium heat exchanger tubeStandardASTM B337,ASTM B338,ASTM B861,ASTM B862GradeA1 TA2 TA3 TA9 TA18Gr1, Gr2, Gr3, Gr5, Gr6, Gr7, Gr9, Gr12, Gr23,BT1-00 BT1-0SizeOD2-168*WT0.3~10.0×L2000-12000mm (Cold Roll and Seamless tube)OD133-820*3-25*1000-3000mm..