Norm

NEN-EN 1289:1994 Ontw. en

Niet-destructief onderzoek van lassen - Penetrantonderzoek van lassen - Aanvaardbaarheidsniveau's en criteria

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Over deze norm

Status Ingetrokken
Aantal pagina's 6
Gepubliceerd op 01-01-1994
Taal Engels
This standard specifies general penetrant testing acceptance levels and acceptance criteria for the assessment of surface-breaking imperfections that may occur during manufacture in welds of metallic materials with a thickness greater than or equal to 3 mm. It is not intended for special conditions such as those that can occur during the service life of a weldment, e.g. corrosive environment etc. Assessment of the significance of imperfections in weldments of this type shall be subject to special agreement. The acceptance criteria are based on detection capabilities that may be expected when using techniques specified by prEN 571-1 and test surface conditions defined by this standard. Three acceptance levels are defined, 1 to 3. The detection thresholds and surface conditions specified for each are based on a reliable detection probability. The test surface is defined as the zone which includes the weld metal and the parent metal 15 mm on each side of the weld, or the widths of the heat affected zones. Use of acceptance levels defined by this standard and their compatibility with other standards, specifications or codes is dependent on interpretation and agreement between the contracting parties.

Details

ICS-code 25.160.40
Nederlandse titel Niet-destructief onderzoek van lassen - Penetrantonderzoek van lassen - Aanvaardbaarheidsniveau's en criteria
Engelse titel Non destructive testing of welds - Penetrant testing of welds - Acceptance levels and criteria
Vervangen door
Normatieve verwijzingen
  • 97/23/EG, Drukapparatuur (PED)

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