... -3; ASTM F136; 2.Tolerance: h6, h7, h8, h9 3.High quality 1. The Metallographic rating of TC4, TC4ELI, Gr5, Gr5ELI is ... requirements. 2. It is available for bearing high intensity exercise in Spine. It is used in clinical many times, shows good effects without ... resistance to wear, they are Medical and Biological material uede in body implant and medical devices.