The QSCM440-C produced by XINGTAI STEEL is commonly used in the production of 12.9 grade high strength fasteners. It is widely used in automobile and high-speed rail. The product has the advantages of stable composition, high purity of steel, small decarbonization layer and less surface defects. It is easy to be spheroidized annealing and stable heat treatment quality. A customers of XINGTAI STEEL uses this product to produce fasteners for high-speed rail, feedback that the quality of the product is stable and meets the requirements of use.
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