... , JIS, BS, EN 3. Material: Gr1,Gr2, Gr7, Gr9, etc Titanium tube /pipe for heat exchanger or condenserSPECIFICATIONMATERIALSize Range mmDESCRIPTIONGB/T3624TA1, TA2, TA9 ... .7, Gr.9, Gr.12, Gr.165~168Seamless and Welded Titanium and Titanium Alloy PipesASTM B861/ ASME SB861Gr.1, Gr.2, Gr.7 ...