... steel, and be used to make spring pad 1. zinc-based high-strength alloy2. Specifications: Φ0.3mm-Φ2.5mm3.Grades: GQZ ... , the elasticity and dimensional stability, is an ideal equivalent material for copper-based spring pad and for copper and its alloys, such ... cost of raw materials , approximately 2/3 reduction) it is based on zinc.with small added element. 6, bright and clean ...