SAE J421B_197711 PDF
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CLEANLINESS RATING OF STEELS BY THE MAGNETIC PARTICLE METHOD
Description
This SAE Recommended Practice provides a rating procedure for the cleanliness rating of steels by the magnetic particle method. The procedure is based on counting the number of indications (frequency) and employs a weighted value to obtain a severity factor. The method outlined is similar to that described in SAE Aerospace Material Specification AMS 2301.
History
| J421_201801 | 2018-01-09 | Latest | Stabilized |
| J421_199305 | 1993-05-01 | Historical | Reaffirmed |
| J421B_197711 | 1977-11-01 | Historical | Revised |
| ISSUING COMMITTEE | Metals Technical Committee |
|---|---|
| DATE | 1977-11-01 |
| DOI | |
| ISCURRENT | |
| PAGE | 4 |
| PUBLISHER | SAE International |
| REVISED | REVISED |
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