A kind of low-alloyed wear resistant cast steel used for exit grill plates of ball mill is developed. It has good toughness, higher hardness and wear resistance.
研制用于球磨机栅格板的低合金耐磨钢，它的韧性好，硬度和耐磨性较高。
2
A kind of waste heat treated lowalloyed cast iron for making grinding ball in a coal grinder was studied.
研究了一种可用冲天炉生产的煤粉磨机磨球用低合金余热淬火耐磨铸铁。
3
NL-1 is a naw type of corrosion resistant lowalloyed ductile iron.