The fractured caterpillar board of high manganese cast steel was analyzed for chemical composition, fracture and microstructure.

对断裂的高锰钢履带板进行了化学成分、断口和金相分析。

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The MAG welding method with large electric current and high welding speed is used. Three different welding materials are campared. The surface property of high manganese cast steel is tested.

介绍了采用大电流、高焊速的MAG焊工艺在高锰铸钢上进行三种不同焊接材料的堆焊试验研究；

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Under lower and medium impact energy, the abrasive wear resistant performance of the steel metioned is higher than that of low alloyed medium carbon wear resistant steel and high manganese cast steel.

结果表明，在中、低冲击磨料磨损条件下，试验钢的耐磨性优于中碳低合金耐磨钢和高锰钢。

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