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What is the difference between the H and HR of the copper alloy?
Views: 597 Jun 24 , 2017What is the difference between the H and HR of the copper alloy? Cold working condition (H) Copper and copper alloy cold processing is usually used cold-rolled and cold-drawn, individual cold forging and...
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Brass tube hardness detection of common methods and characteristics?
Views: 517 Jun 24 , 2017Brass 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...
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What is the difference between the use of calendered copper foil and electrolytic copper foil?
Views: 571 Jun 24 , 2017What is the difference between the use of calendered copper foil and electrolytic copper foil? (1) calendering copper foil quality and use: that the rolling copper foil by extrusion method to obtain copper foil,...
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What are the problems with tin brass electrode when welding
Views: 554 Jun 24 , 2017What are the problems with tin brass electrode when welding? 1. Copper thermal expansion coefficient, solidification occurs when the larger shrinkage stress, resulting in cracks and deformation, so the assembly...
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What are the copper weight calculation methods?
Views: 601 Jun 24 , 2017What are the copper weight calculation methods? 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 =...
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What is the main structure of copper thermal resistance?
Views: 617 Jun 24 , 2017What is the main structure of copper thermal resistance? What is the main structure of copper thermal resistance? To make clear the "copper thermal resistance main structure", we must first understand what copper...
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What is the characteristics of imitation copper handicraft production method?
Views: 600 Jun 24 , 2017What is the characteristics of imitation copper handicraft production method? 1, easy to draw, available on the market commonly used materials; 2, imitation copper layer formed by brushing, so the operation...
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What is the copper soft connection production process?
Views: 575 Jun 24 , 2017What is the copper soft connection production process? 1, the process (specifications, models according to the user requirements) standard material → cutting piece→cleaning →acid...
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What is the four elements of the copper welding process?
Views: 596 Jun 24 , 2017What is the four elements of the copper welding process? Copper and copper alloy can be brazing, resistance welding and other methods to achieve the connection, industrial development today, welding has occupied...
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What are the copper welding materials
Views: 617 Jun 24 , 2017What are the copper welding materials? 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...
