CDM titanium welded tubes are processed from titanium coil, and longitudinally welded by TIG process without metal filler, so it guarantees the homogeneity of the welded area. Grade: GR1, GR2, GR9,GR16 Size(mm): OD(8-63)×WT(0.5-3)×L, at ramdon Length, coil tube, U-Tube. Standard: ASTMB338 , ASME SB338. contact us by email: cdm at ticdm dot com www dot cdmtitan dot com.