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Achieving variety transfer is a key step in the restructuring of the head office. Focusing on the principle that the variety can't be less and the market can't be lost, Second Steel has set up a new product leadership group led by the factory leader to establish a set of work from market tracking, product development, process control, incentive mechanism and quality feedback. Mechanism, this year has successfully produced GCr15 bearing steel, alloy welding wire EH14, cold heading steel (American standard) 10B21 and carbon steel T10A. Among them, GCr15 is the representative steel in bearing steel, and is also one of the company's fine bar products. Cord steel is the iconic product of Shougang's variety transfer. It is one of the most demanding and most difficult steel grades in wire products. It is known as the wire product “Pearl†and its products are mainly used for the production of automobile tire meridian. Due to its extremely high requirements on the purity of steel and the size and shape of inclusions, there are only a few large steel companies in China that can produce them. For the LX72A cord steel smelting process, the second steelmaking is difficult to control the chemical composition, the steel purity is high, and the slab segregation requirements are high. The technicians in the process of trial production of LX72A cord steel, product development, process control, The whole process of process combination and quality tracking is checked, and the whole process control is carried out by means of technical means. With the strong support of the relevant departments of the head office, the good internal and external quality of the slab is guaranteed. At present, the prototype LX72A cord steel has been rolled, and the product quality meets the market and customer demand standards, which indicates that Shougang can produce LX72A cord steel with 160mm×160mm billet in the future.
Successful trial production of cord steel and bearing steel for Shougang No. 2 Steelmaking
In the structural adjustment of Shougang No. 2 Steel Plant, the variety transfer was promoted as the “Heavy Play†system. Recently, while successfully developing the bearing steel GCr15, the LX72A cord steel, which is known as the wire product “Pearlâ€, was also successfully tested.