Copper plate is a kind of roof and curtain wall material with high stability and low maintenance. It is environment-friendly, safe to use, easy to process and extremely corrosion-resistant.
The process selection of copper plate depends not only on the copper content of copper plate, but also on the color of copper plate process. The color of copper plate is oxidized after coloring. The color of copper plate can be deep or light, but it must have a smooth feel, giving people a natural affinity. At the same time, the copper wire should be straight or regular and natural, which is the embodiment of good copper.
|rade list of copper and copper alloys by country|
|oxygen free copper||TU1||2.0076||C10200||C1020R||C103|
|Vacuum oxygen free copper||E-Cu58||TU00||c1020||6N|
|Silver copper||TAg 0.1||CuAg 0.1||C10400||C1040||CuAg 0.1|
|pure copper||TU2||OF-Cu58||C10100||C1011||C101||CW008A||copper oxide|
|T2||SW——copper||C11000||C1100||C101||copper - FRHC|
|TP2||SF-Cu||C12200||C1220||C106||CW024A||copper - DHP|
1. There will be no "tungsten striking" phenomenon
For copper plate processing, the phenomenon of "tungsten beating" is easy to produce a large amount of metal dust or metal steam. If it enters the molten pool for welding, it is easy to produce a large number of honeycomb pores or cracks. In case of "tungsten collision" in copper plate processing and welding, stop the work as soon as possible, or replace the tungsten electrode, correct the tungsten electrode tip, and there is no copper plate metal.
2. The welding temperature shall be well controlled
For copper plate processing, the temperature between layers must be controlled well, especially when welding problems, the temperature at this time has not reached the requirements, this time need to preheat, need to be heated to more than 500 degrees, otherwise prone to no fusion or poor fusion defects. Under the condition of suitable temperature, the welding speed should be faster, and the plate and wire can be integrated to achieve a more ideal effect.
3. Other considerations
Copper plate processing and welding of the bond must be firm and reliable, so that the surface can be reduced to a large extent to scratch the situation. After the welding joint is cooled, rotate the pipe fittings and make the pads firm.
Brass plate common brass:the cheapest price, high strength and high hardness. It can still withstand pressure processing after heat treatment, and its performance is similar to H62. It is used for general mechanical parts, welding parts, hot stamping and hot rolling parts.
Brass plate common brass:Have good mechanical performance, under the hot plasticity is good, under the cold plastic can also, good machinability. In addition the price cheap, is a common application of recidivist varieties of brass. For a variety of deep drawing and bending parts of the gift, such as pin, rivets, washers, nuts, catheters, barometer spring, screen mesh, radiator parts, etc.
Brass plate international brass: suitable for cold pressing, welding and brazing. Easy polishing, wire drawing, such as copper, bending molding is through the main alloy. Used for screw, pickling round roller, etc.
Brass plate international brass: the performance is between h88 and H62, the price is H68 cheap, has high strength and plasticity, and can be well processed by cold and hot pressure. Used for hardware, daily necessities, small springs, screws, rivets and machine parts.
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