titanium coil(heat exchanger) 1)Standard:ASTM B337, B338, B861, B862 2)Material:GR1, ... ,9, etc 3)Dia. 4~114mm titanium coil(heat exchanger)Our Titanium Tube 4 heat exchanger is manufactured according to ASTM, AMS, DIN and ... Alloy Tube Titanium Tube, Titanium pipe, Titanium tubing pipe Specifications of titanium tubeStandardASTM B337, B338, B861, B862MaterialGR1,GR2,GR3,GR5,GR9Dia ...