1.Product Name: Titanium Tube for Heat Exchanger 2.Standard: ASTM B338,ASME SB338,ASTM B337, ASME SB337, ... ASTM B861,ASME SB861 1. Product Name: Gr2 ASTMB 338 Titanium Tube for Heat Exchanger Dia:3-130mm , wt : 0.2-4.5mm 2 ... , Aerospace, Ocean antisepsis, medical/surgical applications, recreation equipment, petrochemical and heat exchange projects.ect Gr2 ASTM B338 Titanium Tubes for Heat Exchanger