The result indicates that the life span of Hadfield steel hammer,to be used for crusher cast by this way is 1.8 times longer than that of original one.

• 研究结果表明：用该工艺悬浮铸造的高锰钢铸件（粉碎机锤头），经工业性实验证明，其使用寿命是原高锰钢铸件1．8倍。