... , ASTM B338, ASTM B861 Spec: Grade 1, Grade 2, Grade 3, Grade 4 Product Description Ti Tube, Titanium Alloy Tube and Titanium alloyed tubes or pipes: Standard ... : ASTM B337, ASTM B338, ASTM B861 Specification: Grade 1, Grade 2, Grade 3, Grade 4, Grade 5, Grade 5 ELI, Grade 7, Grade ...