News
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Early assessment: Lenzing copper finished lower or narrowed
Views: 545 Aug 01 , 2017London copper early assessment: overnight Lenzing finished lower, closing up 0.45%. On the action can be weakened, the recent should not continue to chase high. Below the 5 day moving average support is also strong,...
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German PG thread size
Views: 585 Aug 01 , 2017The Stahlpanzerrohrgewinde standard for screw threads, more often called by the shorter name Panzergewinde (pronunciation), is a technical standard created in Germany and...
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What is the use of H65 brass
Views: 707 Jun 28 , 2017What is the use of H65 brass? H65 brass tube Introduction: H65 brass tube in a non-ferrous metal tube, with strong corrosion resistance. While H65 represents a brass tube containing 65% copper. Brass tube...
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What are copper fasteners?
Views: 589 Jun 26 , 2017What are copper fasteners? At present, copper type fastener type is very large, typical, common copper inserts, copper bolts, copper inserts, copper screws, copper nuts and so on, all made of copper material made...
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What is the brass and copper processing process?
Views: 729 Jun 26 , 2017What is the brass and copper processing process? Raw materials, copper processing, the need for a certain process technology, re-transformation to produce different forms of products, copper smelting and...
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How does a seamless copper pipe come from?
Views: 649 Jun 26 , 2017How does a seamless copper pipe come from? Seamless brass Brass (also known as copper) - often water pipes, heating, cooling pipe installation tube texture hard, easy to corrosion, and high temperature, high...
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What is the difference between brass and copper hardness?
Views: 579 Jun 26 , 2017What is the difference between brass and copper hardness? W-B75 / BB75 series copper alloy Webster hardness tester can be on-site testing of copper and copper alloy hardness instrument. Test quickly, simple, a...
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Steel and copper and copper alloy welding What is the cause of the crack?
Views: 547 Jun 25 , 2017Steel and copper and copper alloy welding What is the cause of the crack? One is the effect of high thermal conductivity. Copper thermal conductivity than carbon steel 7 to 11 times, when the use of technical...
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The four welding methods of copper
Views: 668 Jun 25 , 2017The four welding methods of copper Copper color was purple, so called copper. In the humid air copper surface will produce a layer of basic copper carbonate, commonly known as copper (copper). Copper often...
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The four welding methods of copper
Views: 511 Jun 25 , 2017The four welding methods of copper Copper color was purple, so called copper. In the humid air copper surface will produce a layer of basic copper carbonate, commonly known as copper (copper). Copper often...
