... .2, GR.7, GR.9, GR12Seamless and welded titanium and titanium alloy pipesASME SB861GR.2, GR.5, GR.7, ... GR.9, GR12Seamless titanium and titanium alloy pipesDIN 178613.7035, 3.7105Seamless circular titanium and titanium alloy pipesGB/T 3624TA1, TA2 ... , TA10, TA18Seamless titanium and titanium alloy pipesGB/T 3625TA1, ...