Wear resistance of hypereutectic high chromium cast iron (3.7%C) with or without Mo was better than that of hypoeutectic high chromium iron, and the impact toughness was approximate to the latter.

• 无论含钼或不含钼，过共晶高铬铸铁(3.；7%25C)抗磨料磨损能力均优于亚共晶高铬铸铁，冲击韧度与后者相近。