Titanium Alloy Tube (Titanium Pipe) Product Description ? We can supply titanium and titanium alloy tube and pipe. Titanium Tube (Titanium Pipe) Standards: ASTM B337 and ASTM B338 and ASTM B338 B861 Grades: Gr1, Gr2, Gr3, Gr7, Gr9, Gr12 1) Type: Seamless Size range: O. D 6-108mm, Wall thickness: 0.5-8mm, Length: Max15000mm 2) Type: Welded Size range: O. D100- 610mm Wall thickness: 2-6mm Length: 1, 000-2000mm