... and tin, manganese, nickel, iron, lead, silicon composed of copper alloys. Brass has the strong abrasion. Special brass and call special ... is also prominent. By brass drawn into a seamless copper, soft and abrasion resistance. Brass seamless tube can be ... sheet, strip material, rods, tubes, casting parts, etc. Contain copper in 62% ~ 68%, plastic, strong manufacturing compression equipment, etc. ...