ISO 21988:2006定义了耐磨白铸铁的等级。它规定了化学成分和硬度方面的等级。所涵盖的耐磨白铸铁类型包括非合金或低合金铸铁、镍铬铸铁和高铬铸铁。
ISO 21988:2006 defines the grades of abrasion-resistant white cast irons. It specifies the grades in terms of chemical composition and hardness. The types of abrasion-resistant white cast irons covered are unalloyed or low alloy cast irons, nickel-chromium cast irons and high chromium cast irons.