... -4.5mm x L, OD 16-63mmxWTxL Specification product nametitanium pipe,titaniun tubematerial gradeGr1,Gr2,Gr3,Gr5,Gr9,etc.standardASTM B337 ... ,ASTM B338,ASTM B861,etc.seamless pipe size OD 3-110mm x WT 0.2-4.5mmwelded ... pipe size OD 16-63mm x WT 0.5-4.5mmlengthas ...