ASTM B337 titanium welded pipe 1)Standard:ASTM B337, B338, B861, B862 2)Material:GR1, ... -wide recognized accords.Titanium Alloy Tube Titanium Tube, Titanium pipe, Titanium tubing pipe SpecificationsStandardASTM B337, B338, B861, B862MaterialGR1,GR2,GR3,GR5,GR9Dia ...