ISO 4547:1993
Withdrawn
View Superseded by
Metallic materials — Hardness test — Calibration of standardized blocks to be used for Knoop hardness testing machines
Hardcopy , PDF
English, French
03-14-1993
11-02-2025
The method specified is applicable only for determining Knoop hardness in accordance with ISO 4545 giving indentations with long diagonals longer than or equal to 20 micrometres. Describes manufacture of the block, standardizing machine, standardizing procedure, number of indentations, uniformity of hardness, marking and test certificate. Annex A describes adjustment of Abbe/Nelson or Kohler illumination systems.
| Committee |
ISO/TC 164/SC 3
|
| DocumentType |
Standard
|
| Pages |
3
|
| PublisherName |
International Organization for Standardization
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| NBN ISO 4547 : 1997 | Identical |
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