The heat-treated rolls had a tensile strength more than kg/mm~ and hardness Hs～. The service life of such adamite rolls was ～0 times the life of cast rolls of 70Mn steel and 0000 yuan/year cost of rolls can be saved.
The heat-treated rolls had a tensile strength more than kg/mm~ and hardness Hs～. The service life of such adamite rolls was ～0 times the life of cast rolls of 70Mn steel and 0000 yuan/year cost of rolls can be saved.
热处理后轧辊强度大于kgf/mm~,硬度HS～。 这种半钢轧辊的使用寿命比70Mn铸钢轧辊提高～9倍。