NEN-ISO 11971
Steel and iron castings - Visual examination of surface quality
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 September 2008 |
| Status: | active |
| Page Count: | 10 |
| ICS Code (Iron and steel castings): | 77.140.80 |
| ICS Code (Non-destructive testing of metals): | 77.040.20 |
scope:
This International Standard covers the acceptance criteria for the surface inspection of steel and iron castings by visual examination. Acceptance levels utilize Bureau de Normalisation des Industries de la Fonderie (BNIF) and Steel Castings Research and Trade Association (SCRATA) reference comparators for the visual determination of surface roughness and surface discontinuities described as follows: - surface roughness; - thermal dressing; - mechanical dressing; - nonmetallic inclusions; - gas porosity; - fusion discontinuities; - expansion discontinuities; - metal inserts.
Document History
NEN-ISO 11971
September 1, 2008
Steel and iron castings - Visual examination of surface quality
This International Standard covers the acceptance criteria for the surface inspection of steel and iron castings by visual examination. Acceptance levels utilize Bureau de Normalisation des...