astm b338 titanium exchanger tubes 1)Standard:ASTM B337, B338, B861, B862 2)Material:GR1,2,3,5,7,9, etc 3)Dia. 4~114mm astm b338 titanium exchanger tubesOur titanium tubes are manufactured according to ASTM, AMS, DIN and some other world-wide recognized accords.Titanium Alloy Tube Titanium Tube, Titanium pipe, Titanium tubing pipe Specifications of titanium seamless tubeStandardASTM B337, B338, ...