Titanium tube heat exchanger 1)Standard:ASTM B337, B338, B861, B862 2)Material: ... recognized accords.Titanium Alloy Tube Titanium Tubes, Titanium pipes, Titanium tubing pipes SpecificationsStandardASTM B337, B338, B861, B862MaterialGR1,GR2,GR3,GR5,GR9Dia ...