... .5 to 3 )×LRandom length, U-Tube, Coil tube ASTMB338, ASME SB338 Stainless steel welded tube Nickel alloy welded Tube304, 304L, 316, ... 63 )×WT(0.5 to 3 )×LRandom length, U-Tube, Coil tubeASTM A249, ASTM A269, ASTM A312, ASTM A789 ... following chemical and mechanical testing types for Ti Welded TUBE Chemical compositionHydrostaticElongation Visual InspectionEddy Current Flattening Annealing Reverse-Flat ...