Recently, Shougang Jingtang United Iron & Steel Co., Ltd. successfully produced the first roll of galvanized automotive side external panels smelted with a large steel scrap ratio of 50%, marking another milestone in terms of long-process low-carbon steelmaking technology, and leading the industry.

Using a large steel scrap ratio in steelmaking can effectively reduce carbon emissions in long-process steel production, providing effective support for the expansion of steel and iron products into the low-carbon field under the current context of achieving “dual carbon” goals. Consistently committed to the R&D and promotion of low-carbon products, Shougang Jingtang United Iron & Steel provides users with higher-quality and more individualized green products to cater to their demands for high-quality green and low-carbon products. Currently, its products smelted with a large steel scrap ratio span sectors such as automobiles and household appliances, with automotive side external panels reaching a maximum width of 2,050 mm, enabling users to pursue more cutting-edge component design. The control over product performance has reached a domestically leading level. Following the national “dual carbon” goals and the Shougang Group's medium-to-long-term “dual carbon” planning, Shougang Jingtang United Iron & Steel focuses on efficient manufacturing, high-quality manufacturing, intelligent manufacturing, and green manufacturing. It strives to make breakthroughs in key core low-carbon technologies, foster the R&D of low-carbon competitive products, and accelerate the establishment of core competitiveness in green and low-carbon technologies.

Serving the extreme reduction of carbon emissions in the whole flow process as a core technology, Shougang Jingtang United Iron & Steel employs a high-ratio pelletizing technology in its pre-ironmaking process with a pellet ratio exceeding 50%, effectively reducing energy consumption and realizing efficient and low-consumption smelting in its blast furnaces. In steelmaking, the core lies in smelting technology with a large steel scrap ratio, which enables mass production with a steel scrap ratio exceeding 50% while ensuring the quality of the products. This expansion into diverse and high-end product applications has established a unique carbon reduction process route featuring a large steel scrap ratio in the converter steelmaking of Shougang Jingtang United Iron & Steel.

To ensure product performance under a large steel scrap ratio, the relevant departments collaborated efficiently, jointly advancing the design and implementation of the smelting process path with a large steel scrap ratio, ultimately utilizing all the target ingredients of the products, and meeting the requirements of users for both surface quality and performance indicators.