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ISO 9443:1991

Heat-treatable and alloy steels — Surface quality classes for hot-rolled round bars and wire rods — Technical delivery conditions ISO 9443:1991

Publication date:   Nov 7, 1991

95.99 Withdrawal of Standard   May 18, 2018

General information

95.99 Withdrawal of Standard   May 18, 2018

ISO

ISO/TC 17/SC 4 Heat treatable and alloy steels

International Standard

77.140.60   Steel bars and rods | 77.140.10   Heat-treatable steels | 77.140.20   Stainless steels

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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WITHDRAWN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