On December 18th, the world's first volume of the third generation of ultra-high-strength automotive steel QP1400 was successfully launched in Anshan Iron and Steel Co., Ltd. Cold Rolling High-strength Automobile Plate Company. All the mechanical indexes were in compliance with the requirements. The successful trial production of this product means that Angang's automotive steel manufacturing capacity has reached the industry leading level.
QP steel Chinese name is quenching and distribution steel, as one of the representative varieties of the third generation of automotive steel, with good strength and plastic properties, as well as low alloy content, in line with the lightweight development direction of automotive steel, suitable for processing Automotive structural parts, anti-collision parts and internal reinforcement boards. Due to its ultra-high strength and difficulty in production, most companies are discouraged. A new generation of high-performance automotive steel, represented by the second-generation and third-generation automotive steels, still relies on imports. At the end of 2011, the Steel Research Institute of Automotive and Home Appliances of the Iron and Steel Research Institute of Angang Group established a new generation of high-performance automotive steel R&D team, and jointly carried out the third with Angang Steelmaking General Steel Plant, hot-rolled strip mill and cold rolling mill. In the research and development of the "Ultra-high-strength QP steel development" project for automotive steel, and successfully trial-manufacturing QP980 in 2013, Angang has become one of the few steel companies in the world with QP steel bulk supply capacity.
Under the cooperation of relevant units of Anshan Iron and Steel Group, Angang Steel's cold-rolled high-strength automobile board company and Hong Kong University, from the precise control of the alloying elements of the steel to the selection of the slag composition system, from the exploration of the continuous casting parameters to the slab Hot-packing, from the determination of coiling temperature to the preparation of pickling and cold-rolling, from the simulation of laboratory continuous retreat process to the execution of specific process parameters of the production line, a set of reasonable industrial production schemes has been designed for the successful trial production of QP1400 products. A solid foundation has been laid.
It is reported that the steel material will be tested for application performance in the future, and will be ready for the next market promotion.
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