一种铸铁球用水淬火新工艺最近在首钢迁安矿区试验成功.这一科研新成果是该矿热处理工程师李树生等四位同志经过近一年的刻苦攻关获得的. 多年来,这个矿的选厂磨矿介质一直使用直径为50毫米的普通铸铁球,球的质量差、表面硬度低,易碎不耐磨,消耗较高.为了增强铸 A new technology of quenching cast iron ball by water was successfully tested in Shougang Qian’an Mining Area.The result of this new scientific research was that four comrades such as Li Shusheng, a heat treatment engineer at the mine, obtained the painstaking research in the past year.For many years, Grinding media has been used ordinary diameter 50mm cast iron ball, the ball of poor quality, low surface hardness, brittle wear-resistant, high consumption.In order to enhance the casting