ISO/CD 21988

Abrasion-resistant cast irons — Classification

General information

Current stage: 30.60 Close of voting/ comment period Aug 15, 2026

Originator: ISO

Owner: ISO/TC 25 Cast irons and pig irons

Type: International Standard

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 21988:2006

NOW

IN_DEVELOPMENT
ISO/CD 21988
30.60 Close of voting/ comment period
Aug 15, 2026