51 Steel Silicon Steel - The Origin Of Silicon Steel And The Development History Of Silicon Steel in China

From 1882 to 1900, R.A. Hadfield, a British researcher, found that adding a certain amount of silicon to steel can greatly reduce iron loss;

In 1903, the United States and Germany began producing hot-rolled silicon steel, which began the commercial production process of silicon steel;

The production of cold rolled non oriented silicon steel began in the early 1940s;

In 1954, Taiyuan Iron and Steel Group began producing hot-rolled silicon steel, marking the beginning of China's silicon steel production process;

In the 1980s, other countries except China have gradually stopped producing hot-rolled silicon steel;

In 1978, Wuhan Iron and Steel introduced Japanese Nippon Steel technology to start producing cold rolled non oriented silicon steel, thus beginning the production process of cold rolled silicon steel in China;

In 1995, Baosteel introduced the silicon steel production technology of Kawasaki Iron (now JFE) from Japan, and in 2000, Baosteel began the production of medium and low grade cold rolled silicon steel;

In 2008, Baosteel independently integrated and developed high grade and efficient non oriented silicon steel production technology and equipment, becoming the world's fastest manufacturer to achieve comprehensive product improvement.

In the late 1970s, Wuhan Iron and Steel introduced production technology patents for cold rolled oriented and non oriented silicon steel from Nippon Steel Company in Japan, becoming a production base for cold rolled silicon steel sheets in China. In October 1992, a new contract for renovation and expansion projects was signed with Nippon Steel again. While expanding production scale, the Wuhan Iron and Steel Cold Rolled Silicon Steel Sheet Factory has also independently developed new products and produced cold rolled silicon steel sheets with high magnetic induction and thin specifications; We have developed a series of oriented silicon steel thin strips for the telecommunications industry, a series of strips for electromagnetic switches, materials for high-energy accelerators, low silicon and silicon free steel strips for household appliances, and materials for high-efficiency energy-saving motors. In the 1990s, the domestic cold-rolled silicon steel sheet market shifted from exclusive operation by Wuhan Iron and Steel Group to a three-pronged pattern dominated by Wuhan Iron and Steel Group, Taiyuan Iron and Steel Group, and Baosteel.

At the beginning of the 21st century, due to the high profits of silicon steel products, some long-coveted enterprises were eager to move forward, with a large amount of market demand and good ways to withdraw funds. As a result, a large cake began to be firmly watched by many double eyes. Since then, Chinese silicon steel production enterprises have sprung up like mushrooms after a rain, with Ansteel, Ma Steel, Tong Steel, Ben Steel, Shougang, Hebei Steel, MCC Southern (Xinyu), Pangang, Shangsi Wanding (Wuxi Sanzhou, Xingtai Longhui, Fu'an Xinmao), Foshan Guangheng, Tianjin Nanchen, Qian'an Nanchen, Zhejiang Tianjie, Zhejiang Rongzhou, Shunde Puxiang, Huaxi Cold Rolling, Jiangyin Lantian, Jiangyin Hongyuan, Guangdong Yingquan, Jiangyou Fengwei, Fujian Xinwanxin, Wuxi Huajing, Jilin Jianlong, Jigang, Zhejiang Huaying, Qian'an Jiujiu, Baotou Weifeng, Baotou Huiyu (ultra-thin silicon steel), and so on.