1.Standard: GB/T1381D-2007; ISO5832-3; ASTM F136; 2.Tolerance: h6, h7, h8, h9 3.High quality 1. The Metallographic rating of TC4, TC4ELI, Gr5, Gr5ELI is within A3, the Tensile strength achieves above 1100MPa; stable Organizational Structure, excellent performance, otherwise, we can manufacture products according to client's requirements. 2. It is available for bearing high intensity exercise in ...