1. It has certain mechanical properties, such as tensile strength, elongation and so on.

2. Proper elasticity and hardness, small compression permanent deformation;

3. High temperature and low temperature resistance, high temperature does not decompose, soften, low temperature does not harden;

4. Suitable for working medium, no swelling, decomposition, hardening, etc.

5. Good oxygen resistance and aging resistance, durable;

6. Wear-resistant, non-corrosive metal;

7. Easy to form and process, low price;