Among microstructure factors, the remaining austenite has good effect on the wearability of D2 steel at all wear conditions, and primary carbide improves the abrasive resistance quality of D2 steel.

• 在组织因素中，残余奥氏体的存在对各种磨损条件下D2钢的耐磨性是十分有益的； 大块的一次碳化物提供了优越的耐磨粒磨损能力。