Description

Product descriptionï&frac*4;š It is applicable for the hot and cold straightening towards pipes and profiled bar. It is identified by metallurgic ministry of China as “Invention in China and Advanced in the World”. It has been granted patents of invention and utility model and honored as national new product. Also it is the torch plan project of China. It has been applied by tens of enterprises like Tianjin Pipes Co., Ltd and Shanghai Bao Steel Group, etc. The result shows that it service life is *0 times long as that of cast iron straightening roll and 2 times longer than that of the alloy forged steel straightening roll of China. It has been utilized to replace imported rolls on international advanced seamless pipes production line and the result shows that the technical level and service life of high chromium alloy roll has reached the advanced world level.