Grinding of the abradant to the surface is the main reason which results in wear and tear of superhigh manganese steel. Compared With Mnl3, its grinding distance is short and its grinding groove is shallow.

• 磨料对试样表面的犁削是超高锰钢磨损的主要机制,同Mnl3相比,超高锰钢表面犁削距离短,犁沟浅。