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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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  • Properties of bearing steel
    Based on the working environment and damage analysis of bearing steel, bearing steel needs to have the following properties: 1. High contact fatigue strength and compressive strength; 2. Bearing steel must have high and uniform hardness after heat treatment (general bearing steel hardness require...
  • Advantages of ductile iron pipes
    Ductile iron pipes are of much better quality than ordinary cast iron pipes. The graphite in ordinary cast iron is in sheets and has very low strength. So ordinary cast iron strength is relatively low, brittle. The graphite in the graphite cast iron is spherical, equivalent to the existence of ma...
  • Specific performance of the advantages of ductile iron pipe fittings
    To say that the advantages of ductile iron pipe fittings are specific in what aspects, then we can first of all be sure to be the strength of the product, and there are facts and data strongly proved. According to experiments, the tensile strength of nodular cast iron is 60k, while that of ordina...
  • Advantage analysis of ductile iron pipe
    Ductile iron pipe is a kind of iron-carbon alloy nodular cast iron, with the nature of iron, steel performance, excellent corrosion resistance, good ductility, good sealing effect, easy installation, mainly used in municipal industrial and mining enterprises for water supply, gas, oil and so on. ...
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