... 3. Material: Gr1,Gr2, Gr7, Gr9, etc Titanium tube /pipe for heat exchanger or condenserSPECIFICATIONMATERIALSize Range mmDESCRIPTIONGB/T3624TA1, TA2 ... , TA9, TA10, TA18 5~168Seamless Titanium and Titanium Alloy PipesGB/T3625TA1, TA2, TA9, TA10, ... Titanium and Titanium Alloy PipesDIN178613.7025, 3.7035, 3.7235, 3.7195, 3.71055~76Seamless Circular Titanium and Titanium Alloy Tubes Titanium tube /pipe ...