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Wanlutong Metal Material Co., Ltd. is one of the earliest national professional metal manufacturers established in China. After many years of good faith management, the company is a large-scale industrial metal holding company integrating aluminum and aluminum alloy industry, copper and copper alloy industry, zinc, lead, tin, steel, stainless steel and other metal industry logistics. The company has established extensive business cooperation relationships with 142 countries and regions around the world, making important contribution to China’s reform and opening up and new era industrial development..
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30/11 22Smelting of oxygen free copper
Strictly distinguish, oxygen free copper should be divided into ordinary and high purity anaerobic copper. Ordinary oxygen free copper can be smelted in a power frequency core induction furnace, while high purity oxygen-free copper should be smelted in a vacuum induction furnace. When semi contin... -
23/11 22Notes on oxygen free copper casting
Oxygen free copper refers to pure copper that does not contain oxygen or any deoxidizer residue. In the production and production of anaerobic copper rod, processed anaerobic copper is used as the raw material for production and casting. The quality of oxygen free copper rod made of good quality ... -
The excellent thermal conductivity of chrome zirconium copper electrode is about 3~4 times better than that of die steel. This feature ensures rapid and uniform cooling of plastic products, reduces deformation of products, unclear shape details and similar defects, and significantly shorens the p... -
Aluminum bronze has the casting properties of strong suction, easy oxidation slag, large solidification shrinkage, poor thermal conductivity, and poor casting performance. Before casting, tin bronze manufacturers used a mixture of some alkali earth metal compounds, such as Na₃AlF₆ and NaF, as a s...