اليوم: 16 مارس، 2022

Oxidation film and wear of hot-rolled high-speed steel rolls

High-speed steel rolls have excellent wear resistance, and their service life on the finishing stand of hot tandem mills is 3 to 6 times that of high-chromium ferrous rolls, so they are highly regarded .However, there are still some problems in the use of high-speed steel rolls, such as large thermal expansion, large friction coefficient, […]