Many domestic fastener companies suffer from high customer claims due to product quality problems. It is true that many quality problems are caused by unqualified materials. How to correctly select fastener materials becomes one of the topics that fastener companies are increasingly concerned about.
Regarding the status quo and existing problems of fastener steel in China, Shen Gong, a material consultant for Fastener Professional Association of China Machinery General Components Industry Association, stated that although China is currently a fastener producing country, it is also the world's largest producer of steel. However, the development of fastener steel has started late. The specifications of cold heading steel are relatively small and cannot meet the current domestic demand for fastener production and the demand for exports. Many steel grades in G3506, G3507, G4105, and ASTM are also used in the production and market circulation of cold heading steels.
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