2017-08-09 | Important origin of Copper

Today, the world's proven copper accountants account for about 350-570 million tons, of which porphyry copper accounts for 76% of all accountants. According to geographical distribution, there are five regions with the most abundant copper deposits in the world: (1) the Western foot of the Andes Mountains in Pilu and Chile in South Americ…Detailed

2017-08-09 | What is the composition of white copper?

As a result, nickel is an important growth element in copper-based alloys. The average nickel content in white copper is 25%. When the nickel content exceeds 16%, the brightness of the alloy becomes absolutely nearly as white as silver. The higher the nickel content, the whiter the color.Detailed

2017-08-09 | Composition and Price of White Copper

The way to distinguish white copper from Tibetan silver and Miao silver is that the latter two are absolutely white in the proportion of abnormalities and are closer to silver in appearance. However, the aluminium white copper in contemporary technology is equal to the color of Tibetan silver and Miao silver, even whiter, but with higher …Detailed

2017-08-09 | Smelting History of Yunbai Copper (Zinc White Copper) and Nickel White Copper

The creation of white copper is an outstanding achievement in our contemporary metallurgical skills, which is called "Qi" in our contemporary era. "Old Tang Shu Yufuzhi" reads: "Take the white bronze calf car for the rest of the product." That is to say, the Tang Dynasty demarcated that as long as the cattle were pulled by a courtier, whi…Detailed

2017-08-09 | What is beryllium copper?

Copper alloys with beryllium as an important alloy element are also called beryllium bronze. It is the most effective high-grade elastic material in copper alloys. It has a series of excellent physical, chemical and mechanical functions, such as high strength, elasticity, hardness, fatigue strength, small elastic lag, corrosion resistance…Detailed

2017-08-09 | What is beryllium copper?

Copper alloys with beryllium as an important alloy element are also called beryllium bronze. It is the most effective high-grade elastic material in copper alloys. It has a series of excellent physical, chemical and mechanical functions, such as high strength, elasticity, hardness, fatigue strength, small elastic lag, corrosion resistance…Detailed

2017-08-09 | Pressure Processing Properties of Brass

Alpha single-phase brass (from H96 to H65) has good plasticity and can withstand cold and hot working, but it is easy to show medium temperature brittleness during forging and other hot working. Its detailed temperature scale varies with the difference of zinc content, usually between 200 and 700 C. Therefore, the temperature of hot worki…Detailed

2017-08-09 | Classification of Beryllium Copper

It can be divided into processing beryllium bronze and forging beryllium bronze. Commonly used forged beryllium bronze, etc. The beryllium content of processed beryllium bronze is controlled at 2% below. The domestic beryllium bronze is added 0.3% nickel or 0.3% cobalt. The commonly used processing beryllium bronze are: etc. Beryllium bro…Detailed

2017-08-09 | Properties and parameters of beryllium copper

Beryllium copper is a supersaturated solid solution copper-based alloy. It is a non-ferrous alloy with excellent mechanical, physical, chemical and corrosion resistance. After solid solution and aging treatment, it has high strength limit, elastic limit, yield limit and deterioration limit, which are commensurate with extraordinary steel.…Detailed

2017-08-09 | Analysis of Basic Knowledge of Copper Industry

Copper is one of the oldest obsolete metals invented by human beings. As early as 3000 years ago, people began to use copper. Copper atomic weight 63.54, density 8.92, melting point 1083 C, boiling point 2567 C. Pure copper is light rose or reddish, and copper oxide film is formed on the surface, and copper color on the surface. Copper ha…Detailed

2017-08-09 | Advantages and disadvantages of white copper

The strength, corrosion resistance, hardness, resistance and thermoelectric properties of pure copper and nickel can be improved obviously, and the temperature coefficient of resistivity can be lowered. White copper is superior to other copper alloys in mechanical and physical properties, good ductility, high hardness, elegant luster, cor…Detailed

2017-08-09 | Important Components Affecting Copper Price

A. Domestic economic situation. It is self-evident that the commodity market is closely related to the economic situation. Especially in today's increasingly globalized economy, the commodity market is more closely related to the economy, and the price of copper is closely related to the economic situation. Copper spending is mostly assoc…Detailed

2017-08-08 | The Nature of Copper

Copper is named for its purple red color. It is not necessarily pure copper, but occasionally participates in a large number of deoxidizing elements or other elements to improve material quality and properties, so it is also included in copper alloys. Chinese copper processing materials can be divided into four categories according to the…Detailed

2017-08-08 | Room Temperature Structure of Brass

Popular brass is a copper-zinc binary alloy, and its zinc content has changed greatly, so its structure at room temperature is also very different. According to the binary state diagram of copper-zinc (Fig. 6), there are three types of brass at room temperature: brass with zinc content below 35%, brass with zinc content below 35%, brass w…Detailed

2017-08-08 | Mechanical properties of brass

Because of the difference of zinc content in brass, the mechanical properties of brass are different. Figure 7 shows the curve of the mechanical properties of brass varying with the difference of zinc content. For alpha brass, with the increase of zinc content, both_b and_increase continuously. For (alpha + beta) brass, room temperature s…Detailed

2017-08-08 | Utilization History of Brass

Our country first used brass to cast money in the Ming and Jiajing years. The word "brass" first appeared in the Western Shuo's Shenyi Jing, Zhonghuang Jing in the Western Han Dynasty: "There are palaces in the northwest, and brass is a wall, inscribing the palace of the emperor of the sun and the earth." This kind of "brass" refers to wh…Detailed

2017-08-08 | Classification and Properties of Beryllium Copper and Its Usefulness and Properties

It can be divided into processing beryllium bronze and forging beryllium bronze. Commonly used forged beryllium bronze are copper-2Be-0.5Co-0.3Si, copper-2.6Be-0.5Co-0.3Si, copper-0.5Be-2.5Co, etc. The content of beryllium in processed beryllium bronze can be controlled as follows: 0.3% nickel or 0.3% cobalt in domestic beryllium bronze. …Detailed

2017-08-08 | What is white copper plate?

Therefore, nickel is an important element-free copper alloy. Copper-nickel alloy is used as the base to participate in the third elements such as zinc, manganese, aluminum and so on. In response, they are called zinc, manganese and aluminium white copper plates. Copper-nickel alloys have good corrosion resistance, medium strength, high pl…Detailed

2017-08-08 | What is a brass rod?

Brass bars are alloys of copper and zinc. The simplest brass is the copper-zinc binary alloy, known as the simple brass or the common brass. The brass with different mechanical properties can be obtained by changing the content of zinc in brass. The higher the content of zinc in brass, the higher the strength and the lower the plasticity.…Detailed

2017-08-08 | Application of Copper Bar

Copper rods are more widely used than pure iron. Every year, 50% of copper is electrolytically purified into pure copper for use in the electrical industry. The copper mentioned here must be exceptionally pure, containing more than 99.95% copper. A large number of impurities, especially phosphorus, arsenic and aluminium, will greatly redu…Detailed