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China's fastener steel is still unable to meet export demand
Many domestic fastener companies have suffered high customer claims due to product quality problems. It is true that many quality problems are caused by material failure. How to correctly select materials for fasteners has become one of the topics of increasing concern for fastener companies. There are about 40,000 varieties and millions of fasteners of various forms and specifications at home and abroad, and their use occasions and environment are ever-changing. As the connecting piece of the main unit and the components, the industrial aluminum profile parts bear the basic performance of the main body and the basic functions of the components together with the main machine, and must be adapted to high temperatures. high pressure. Low temperature. shock. Corrosion, heavy load, alternating stress, anti-shear and anti-twist, etc. However, the probability of a fastener failure causing an accident is very high, so the materials used to make the fastener must be carefully selected in advance. Many domestic fastener companies have suffered high customer claims due to product quality problems. It is true that many quality problems are caused by material failure. How to correctly select materials for fasteners has become one of the topics of increasing concern for fastener companies. For the status quo and existing problems of China's industrial aluminum profile fastener steel, China Machinery General Parts Industry Association Fastener Professional Association material consultant said: China is currently a major fastener production country, but also the world's first production Steel country, but the development and production of fastener steel started late. The specifications of cold heading steel are relatively small, which cannot meet the domestic demand and export demand of current fastener production. In the production and market circulation of cold heading steel, many steel grades in G3506, G3507, G4105 and ASTM in the US are also borrowed.