30.60 Aug 15, 2026
ISO
ISO/TC 25
International Standard
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.
PUBLISHED
ISO 21988:2006
PROJECT
ISO/CD 21988
30.60
Close of voting/ comment period
Aug 15, 2026