... Tolerance: h6, h7, h8, h9 1. The Metallographic rating of TA3, Gr3 is above 7, the Tensile strength achieves above ... performance, otherwise, we can manufacture products according to client's requirements.2. The Metallographic rating of TC4, TC4ELI, Gr5, Gr5ELI is within ... very good, excellent anti-Fatigue, corrosion resistance and resistance to wear, they are Medical and Biological material uede in ...