Material Composition and Structure：Copper (Cu) balance, with tin (Sn, 9.0%–11.5%) as the principal alloying element and small amounts of phosphorus (P) or lead (Pb).
Material Composition and Structure：Copper (Cu) balance, with tin (Sn, 9.0%–11.5%) as the principal alloying element and small amounts of phosphorus (P) or lead (Pb).