... 2)ASTM B384/B381/F67/F136 standard 3)Dia2~230mm,L<=6000MM 4)Gr1,Gr2,Gr3,Gr5,Gr12,Gr23 Titanium ... Ti 6Al 4V)Φ2~Φ4 X Lpolishing GB/T13810-2007ASTM F136 Gr5(Ti 6Al 4V)Φ4~Φ8 X L polishing Gr5(Ti 6Al ... 4V)Φ8~Φ10 X Lpolishing Gr5(Ti 6Al 4V)Φ10 ... Ti 6Al 4V)>Φ16~Φ30 X LRollingGr5(Ti 6Al 4V)Φ30~Φ60 X LRollingGr1,Gr2Φ20~Φ60 X LRollingGB/T13180-2007ASTM F67 ...