Discussion on the structure of roll products in China

With the continuous development of society, roll is more and more widely used in various industries, and roll manufacturers are also gradually increasing. Today, let the roll manufacturer Wuxi Taihu roll Xiaobian tell you about China's roll product structure.

Over the years, China's roll manufacturing industry has experienced the stages of developing supporting rolls for the introduction of rolling mills, completing the localization of roll manufacturing and batch export of rolls of various grades. Now it has formed a complete roll manufacturing system, become a leading roll manufacturing country at home and abroad, and cultivate large enterprises with the highest roll production capacity at home and abroad and a number of roll manufacturing enterprises with relatively obvious professional advantages.

However, experts pointed out that although we have made major breakthroughs in some roll manufacturing skills, and some roll types have reached or exceeded the level of similar foreign products, the overall level of occupation is uneven, and some high-level products still rely on imports. Therefore, it is necessary to continuously enhance the ability of independent innovation, accelerate the progress of science and technology and the speed of new product development, and improve the competitiveness of our rolls in the domestic and foreign markets.

With the rapid progress of equipment level, the production technology is becoming more and more advanced

Facing the rapid development of iron and steel industry, China's roll manufacturing enterprises continue to increase capital investment planning and accelerate the pace of skill transformation. The transformation of skill allocation has not only greatly improved the internal quality of rolls in China, but also directly promoted the progress of roll manufacturing skills. The centrifugal casting technology is widely used in China and has become an advanced casting technology.

In order to shorten the production cycle and advance the application function of roll, now heat treatment has become the core skill of roll manufacturing enterprises. For example, in recent years, Xingji Steel Co., Ltd. has selected the triple molten steel training skills of electric furnace training + ladle refining + electroslag remelting, electroslag ingot forging and forming skills, as well as the advanced heat treatment skills at home and abroad, such as dual frequency quenching, liquid nitrogen cryogenic treatment, high, medium and low temperature tempering, so that the hardening layer depth of Cr3, Cr5 and CR8 series Forged steel cold rolls is nearly three times higher than that of conventional cold rolls, thus effectively reducing the roll change frequency of rolling mills, The service life of roll, rolling quality of steel and production efficiency are greatly improved. The forged steel roll is tempered, cast and heat treated to make the working layer of the roll body have high hardness, high wear resistance and excellent accident resistance, so as to ensure that the roll neck and roll body core have certain strength and high endurance. This common function of forged steel roll makes it have irreplaceable advantages in cold rolling and nonferrous rolling.

OK, the above is a brief introduction to the structure of roll products in China. If you want to know more about the roll manufacturer, please pay attention to the roll manufacturer Wuxi Taihu roll Xiaobian.