ISO 9443:1991

Заменен

Heat-treatable and alloy steels; surface quality classes for hot-rolled round bars and wire rods; technical delivery conditions — 12 стр.

Заменен на

ISO 9443:2018

ICS

77.140.60 Steel bars and rods / Стальные прутки и катанка

77.140.10 Heat-treatable steels / Термообрабатываемые стали

77.140.20 Stainless. Including alloyed steels, corrosion-resistant steels, heat-resisting steels, etc. / Высококачественные стали