How does the material performance of waterproof connector contact hardware compare?

I. Waterproof connector contact hardware material performance comparison is how? Waterproof connector is can be applied to the environment with water, in the case of a certain water pressure to ensure that the connector internal mechanical properties, electrical properties can be normal use of the connector. Waterproof connector contact hardware materials are mainly divided into the following three kinds: 1 phosphor bronze: by copper Cu, tin Sn, phosphorus P, iron Fe, lead Pb, zinc Zn, etc., mainly composed of copper 2 brass: by copper Cu, iron Fe, lead Pb, zinc Zn, etc., mainly composed of copper. 3 stainless steel: by iron Fe, chromium Cr, nickel Ni, carbon C, silicon Si, manganese Mn, phosphorus P, sulfur S, aluminum Al, cobalt Co, the main component is iron. Co, the main component is iron. Comparison of Properties: 1 Coefficient of Elasticity: Stainless Steel Phosphor Bronze Brass 2 Electrical Conductivity: Phosphor Bronze Brass Stainless Steel 3 Yield Strength: Stainless Steel Phosphor Bronze Brass 4 Coefficient of Thermal Expansion: Stainless Steel Brass Phosphor Bronze

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