... BS, EN 3. Material: Gr1,Gr2, Gr7, Gr9, etc Titanium tube /pipe for heat exchanger or condenserSPECIFICATIONMATERIALSize Range mmDESCRIPTIONGB/T3624TA1, TA2 ... 7, Gr.9, Gr.12, Gr.165~168Seamless and Welded Titanium and Titanium Alloy PipesASTM B861/ ASME SB861Gr.1, Gr.2, ... , 3.7235, 3.7195, 3.71055~76Seamless Circular Titanium and Titanium Alloy Tubes Titanium tube /pipe for heat exchanger or condenser