TU1 and TU2 is belong to oxygen-free copper rod. T1, T2 and T3 is belong to Low-oxygen copper rod. The oxygen content of oxygen-free copper rod is lower than 10ppm.The oxygen content of low-oxygen copper rod is more than 300ppm. Advantages: 1. Good wear resistance; 2. High intensity; 3. Hot Forging performance; 4. Good cutting performance; 5. Self-lubricating performance Application: 1. It is widely used in boat building, War industry, Car industry and communication industry where the components need good wear proof and great corrosion resistance. 2. It is widely used in self-lubricate axletree field. 3. Many used in connector assembly, lock, fastener and spring. Identity: 1. Good wear proof, and great corrosion resistance 2. Hi-hardness, hi-tensile strength, good wear proof and good corrosion resistance. 3. Good elasticity and electricity conductivity. Good anti-oxidation and corrosion