Brass is an alloy of copper and zinc. It has much better abrasion resistance, better corrosion resistance and lower electrical conductivity as compared with copper. Phosphor bronze is an alloy of tin, phosphorous and copper; it is corrosion, wear and tear resistant, but it is not suitable for exposure to hydrochloric acid or strong oxidizing agents.

Brass and phosphor bronze are frequently used in sieving diversified pellet, powder, porcelain clay and glass, chinaware printing, filtering liquid and gas.