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What is the copper rod and copper wire production process?
What is the copper rod and copper wire production process? Views: 530    Jun 25 , 2017    Tech News Copper rods and copper production: before the 1970s, almost all of the copper is produced by batch production, the specific steps of the batch: the molten copper pouring and solidified into a "wire ingot" special cast pieces, and then... Read More
What is copper casting? What is the nature of copper TP2?
What is copper casting? What is the nature of copper TP2? Views: 429    Jun 25 , 2017    Tech News Melting the high-purity raw materials, the oxygen in the molten copper to produce oxygen with oxygen (P) deoxidation, so that the oxygen content reduced to 100ppm or less, thereby enhancing its ductility, corrosion resistance, thermal... Read More
How does the miscellaneous copper cast?
How does the miscellaneous copper cast? Views: 445    Jun 25 , 2017    Tech News Casting casting machine, the current widely used there are two casting machines, disc casting machine and linear casting machine. Disc Casting Machine Large-scale copper and copper production plant using the main casting equipment, linear... Read More
Copper Week Comment: Copper Breakthrough Pressure Upstream But Difficulty (6.19-6.23)
Copper Week Comment: Copper Breakthrough Pressure Upstream But Difficulty (6.19-6.23) Views: 471    Jun 24 , 2017    Yuhuan Events Core Tip: In the weak consumption, the supply is not a big tightening of the case, the copper price will not continue upward, is expected next week, the main shock is expected next week, Shanghai copper operating range... Read More
What is tin green phosphor bronze, tin bronze, phosphor bronze?
What is tin green phosphor bronze, tin bronze, phosphor bronze? Views: 502    Jun 24 , 2017    Tech News Tin phosphor bronze has a higher corrosion resistance, wear resistance, out when no sparks. For, medium speed, heavy load bearing, the maximum working temperature of 250 ℃. With automatic self-aligning on the skew is not sensitive to the... Read More
How to distinguish between surface blackened copper bars and magnesia?
How to distinguish between surface blackened copper bars and magnesia? Views: 420    Jun 24 , 2017    Tech News Sampling, respectively, adding dilute hydrochloric acid, if there are bubbles, then the magnesium, no bubbles for the copper bar. Sampling, igniting, combustible as magnesium, non-combustible for copper Klikkon... Read More
What are the effects of copper and iron?
What are the effects of copper and iron? Views: 422    Jun 24 , 2017    Tech News Collagen content of human body up to a protein, the main component of human connective tissue, bone core material. Collagen is like a few rope as twisted into a bunch of collagen fibers. When collagen fibers are formed, they must be... Read More
What are the symptoms of copper poisoning?
What are the symptoms of copper poisoning? Views: 558    Jun 24 , 2017    Other News 1. Acute copper poisoning Cause the disease is a variety of reasons, often because of crystalline copper sulfate burns or accidental misuse caused by food is also contaminated water and food caused mainly due to... Read More
What are the characteristics of copper forging?
What are the characteristics of copper forging? Views: 455    Jun 24 , 2017    Tech News What is copper forged? What is the characteristics of copper forging? What is the use of copper forging? Purple copper forging Definition: Copper processing method A means that the use of forging machinery on the copper billet pressure to... Read More
What are the advantages of copper forging?
What are the advantages of copper forging? Views: 446    Jun 24 , 2017    Tech News Forging Advantages: For forged out parts, the product size is very high in size, so it is more conducive to batch production operations. Through the die forging, extrusion, stamping and other mold production to form the product size... Read More
What is the difference between the H and HR of the copper alloy?
What is the difference between the H and HR of the copper alloy? Views: 398    Jun 24 , 2017    Tech News Cold working condition (H) Copper and copper alloy cold processing is usually used cold-rolled and cold-drawn, individual cold forging and cold bending and other cold processing technology. After cold processing, some also need heat... Read More
Brass tube hardness detection of common methods and characteristics?
Brass tube hardness detection of common methods and characteristics? Views: 481    Jun 24 , 2017    Industry News Brass tube hardness detection of common methods and characteristics? 1. The sample preparation is simple, can be in a variety of different sizes of samples on the test, the test sample is basically no damage; 2.... Read More
What is the difference between the use of calendered copper foil and electrolytic copper foil?
What is the difference between the use of calendered copper foil and electrolytic copper foil? Views: 462    Jun 24 , 2017    Tech News (1) calendering copper foil quality and use: that the rolling copper foil by extrusion method to obtain copper foil, which is characterized by: good bending resistance, but the conductivity is weaker than the electrolytic copper, mainly... Read More
What are the problems with tin brass electrode when welding?
What are the problems with tin brass electrode when welding? Views: 398    Jun 24 , 2017    Tech News 1. Copper thermal expansion coefficient, solidification occurs when the larger shrinkage stress, resulting in cracks and deformation, so the assembly gap should be wide, groove angle should be large, but also the use of multi-point... Read More
What are the copper weight calculation methods?
What are the copper weight calculation methods? Views: 444    Jun 24 , 2017    Tech News Calculation method of copper weight Copper rod W = 0.00698 × square of diameter Brass rod W = 0.00668 × square of diameter Square copper rod W = 0.0089 × square width of the square Square brass rod W = 0.0085 ×... Read More
What is the main structure of copper thermal resistance?
What is the main structure of copper thermal resistance? Views: 404    Jun 24 , 2017    Tech News What is the main structure of copper thermal resistance? To make clear the "copper thermal resistance main structure", we must first understand what copper heat resistance. The so-called copper thermal resistance refers to the temperature... Read More
What is the characteristics of imitation copper handicraft production method?
What is the characteristics of imitation copper handicraft production method? Views: 424    Jun 24 , 2017    Tech News 1, easy to draw, available on the market commonly used materials; 2, imitation copper layer formed by brushing, so the operation is simple, easy to grasp, not affected by the ambient temperature can be operated; 3, imitation... Read More
What is the copper soft connection production process?
What is the copper soft connection production process? Views: 376    Jun 24 , 2017    Tech News 1, the process (specifications, models according to the user requirements) standard material → cutting piece→cleaning →acid cleaning →welding →moving burrs →drilling → surface polishing→ Sn plating→packing... Read More
What is the four elements of the copper welding process?
What is the four elements of the copper welding process? Views: 525    Jun 24 , 2017    Tech News Copper and copper alloy can be brazing, resistance welding and other methods to achieve the connection, industrial development today, welding has occupied a dominant position. Welding and welding of copper and copper alloy are easy to be... Read More
What are the copper welding materials?
What are the copper welding materials? Views: 324    Jun 24 , 2017    Tech News 1. Welding argon purity ≥99.99%, dew point ≤ -50 ℃, and should meet the GB / T4842 or GB10624 requirements. When the bottled argon pressure ≤ 0.5Mpa should not be used. 70% Ar + 30% N2 mixed gas can be used when the preheating is... Read More
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