1.Product Name: Titanium Tube for Heat Exchanger 2.Standard: ASTM B338,ASME SB338,ASTM B337, ASME SB337, ... ,ASME SB861 1. Product Name: Gr2 ASTMB 338 Titanium Tube for Heat Exchanger Dia:3-130mm , wt : 0.2-4.5mm 2. Technique ... , we export more than 80MT titanium tube to grade 2, grade 7 and grade 12 to USA, Qatar, Canada, Germany, Austria etc ...