Metal crusher is used to grind pig iron,alloy,ferrosilicon,bottle cap,zip-top can, ... circuit board and waste battery. Metal CrusherProduct DescriptionIt is used to grind pig iron,alloy,ferrosilicon,bottle cap,zip-top can ... kw7.5 kwMax. hardness< 9 level< 9 levelWeight1800 kg2500 kg Scrap Metal Shredder Crusher Grinder Machine