ISO 9443:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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Heat-treatable and alloy steels — Surface quality classes for hot-rolled round bars and wire rods — Technical delivery conditions
Hardcopy , PDF
English, French
07-11-1991
09-04-2025
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.
| Committee |
ISO/TC 17/SC 4
|
| DevelopmentNote |
Supersedes ISO/DIS 9443. (05/2018)
|
| DocumentType |
Standard
|
| Pages |
6
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| NF EN ISO 9443:2018 | Identical |
| EN ISO 9443:2018 | Identical |
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