Copper-nickel alloy: nickel as the main element of a copper alloy. Copper-nickel binary alloy known as ordinary copper; additions of manganese, iron, zinc, aluminum and other elements of complex copper-nickel alloy, said. Industrial structure of copper-nickel alloy and copper-nickel alloy is divided into two major categories of electrical copper-nickel alloy. Structure is characterized by a copper-nickel alloy mechanical properties and good corrosion resistance, beautiful color. This copper-nickel alloy is widely used in the manufacture of precision machinery, optical parts, chemical machinery and ship components. Electrician cupronickel generally have good thermoelectric properties. Manganese Bronze, constantan, test copper manganese content of manganese-nickel alloy, is the manufacture of precision electrical instruments, rheostats, precision resistors, strain gauges, thermocouples and materials used. Brass to zinc as the main element of the copper alloy, with a beautiful yellow, collectively brass. Cu-Zn binary alloy that ordinary brass, or a simple brass. More than triple brass called special brass or brass called complex. Less than 36% zinc brass alloy by solid solution, Shanghai Tian Rui copper alloy has good cold working properties, such as 30% zinc brass used to make shells, commonly known as cartridge brass, or 73 brass. 36 ~ 42% zinc brass alloy by and between the solid solution composition, the most commonly used is 40% zinc brass Tiananmen. To improve the performance of ordinary brass, often add other elements, such as aluminum, nickel, manganese, tin, silicon, lead. Brass aluminum can increase the strength, hardness and corrosion resistance, but the plastic lower, suitable for sea condenser and other corrosion-resistant parts. Brass tin can improve the strength and corrosion resistance to seawater, it said the Navy brass, as the ship of thermal equipment and propeller. Lead can improve cutting brass; This cutting brass is often used as watch parts. Brass castings used to make valves and pipe fittings. Ships used fire hydrant proof crescent wrench is brass aluminum casting. Shanghai Tian Rui Metal Materials Co., Ltd. (according to user needs, can be produced by drawing process) Marketing Department Miss Li T :021-63066307/56062869 F :021-56060561 QQ: 1650507469/441594627 Address: Lingshi Road, Zhabei District, Shanghai, No. 891 Email: coco_trcopper@163.com Website: www.tr-copper.com lwtrjs20130608 

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