30.20 19. 6. 2026.
ISO
ISO/TC 25
Međunarodni 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.
OBJAVLJEN
ISO 21988:2006
PROJEKAT
ISO/CD 21988
30.20
Početak izjašnjavanja o nacrtu komisije standarda
19. 6. 2026.
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