Standard:ASTMB338,ASTMSB338,ASTMB861,ASTMSB861 Grade:Gr1,Gr2,Gr5,Gr7,Gr9,Gr12,Gr16 OD:0.3MM-219MM seamless best quality Other Titanium tubeMaterial : American Standard Gr.1 Gr.2 Gr.5 Gr.7 Gr.9 Gr.11 Gr.12 Gr.16 Gr.17Seamless Measurement :OD:2.0-219MMWT:0.3-12MMLength: <18000MMStrictly exact the Standard : ASTM B338/ASME SB 338 ASTM B861/ASME SB861 Application :(1)Heat exchangers and condensers(2) ...