... of copper or copper-clad steel, and be used to make spring pad 1. zinc-based high-strength alloy2. Specifications: Φ0.3mm-Φ2 ... and physical properties ,it has the following advantages: 1 high intensity, tensile strength is over 300MPa . 2, good plasticity, elongation rate can ... , Indonesia, Australia, Hongkong, Taiwan ,Malaysia, TailandTurkey, Pakistan, India. zinc-based high-strength alloy