The brittle failure of the foundation bolt for ladle turntable under the static load and low stress happens due to unsuitable between intensity and toughness in this high strength steel.

• 介绍了钢包回转台地脚螺栓在低应力状态下发生脆性断裂的实例。证实了断裂是由选材不当、错误的热处理和安装方式等使强度与韧性不匹配造成的。