... .7, GR.9, GR12Titanium and titanium alloy tubes for condensers and heat exchangersASME SB337GR.2, GR.7, GR.9, GR12Seamless and welded titanium and titanium alloy pipesASME SB861GR.2, GR ... industry, Aerospace, Ocean antisepsis, medical/surgical applications, recreation equipment, petrochemical and heat exchange projects.ect Gr2 ASTM B338 Titanium Tubes for Heat Exchanger