grade 3 titanium tube astm b338 1)Standard:ASTM B337, B338, B861, B862 2)Material:GR1,2,3,5,7,9, etc 3)Dia. 4 ... ~114mm grade 3 titanium tube astm b338Our titanium tubes are manufactured ... , DIN and some other world-wide recognized standards. Titanium Alloy Tube Titanium Tube, Titanium pipe, Titanium tubing pipe SpecificationsStandardASTM B337, B338, B861 ...