The hardness of as-cast cast iron 290Cr26MoW depends on the amount and hardness of the eutectic carbide as well as the ratio of austenite and martensite in the matrix.

• 铸态290Cr26MoW耐磨白口铸铁的硬度由共晶碳化物数量和硬度以及基体中奥氏体和马氏体数量比共同决定。