... , EN 3. Material: Gr1,Gr2, Gr7, Gr9, etc Titanium tube /pipe for heat exchanger or condenserSPECIFICATIONMATERIALSize Range mmDESCRIPTIONGB/T3624TA1, TA2, TA9, TA10, TA18 5 ... and Heat ExchangersASTM B337/ ASME SB337Gr.1, Gr.2, Gr.7, Gr.9, Gr.12, Gr.165~168Seamless and Welded Titanium and ... .71055~76Seamless Circular Titanium and Titanium Alloy Tubes Titanium tube /pipe for heat exchanger or condenser