ISO 9443:1991

Heat-treatable and alloy steels — Surface quality classes for hot-rolled round bars and wire rods — Technical delivery conditions

95.99 Withdrawal of Standard May 18, 2018

General information

Current stage: 95.99 Effective date: May 18, 2018

Originator: ISO

Owner: ISO/TC 17/SC 4

Type: International Standard

ICS: 77.140.60 77.140.10 77.140.20

Scope

Applies particularly to steels for engineering applications, but may, by agreement, also be applied to structural steels or tool steels. Does not include any requirements for the permissible depth of surface decarburization. Annex A is for information only.

Life cycle

NOW

WITHDRAWN
ISO 9443:1991
95.99 Withdrawal of Standard
May 18, 2018

REVISED BY

PUBLISHED
ISO 9443:2018

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