RO
SR EN ISO 11666:2018
Non-destructive testing of welds - Ultrasonic testing - Acceptance levels (ISO 11666:2018)
ISO 11666:2018 specifies two ultrasonic acceptance levels known as acceptance level 2 (AL 2) and acceptance level 3 (AL 3) for full penetration welded joints in ferritic steels, which correspond to ISO 5817:2014, quality levels B and C. An acceptance level corresponding to ISO 5817:2014, quality level D is not included in this document, as ultrasonic testing is generally not requested for this weld quality. These acceptance levels are applicable to testing carried out in accordance with ISO 17640. ISO 11666:2018 applies to the testing of full penetration ferritic steel welds, with thicknesses from 8 mm to 100 mm. It can also be used for other types of welds, materials and thicknesses, provided the tests have been performed with necessary consideration of the geometry and acoustic properties of the component, and an adequate sensitivity can be employed to enable the acceptance levels of this document to be applied. The nominal frequency of probes used in this document is between 2 MHz and 5 MHz, unless attenuation or requirements for higher resolution call for other frequencies
Status :
Valid
Approval date : 5/31/2018
Number of pages : 26
ICS : 25.160.40 Welded joints and welds
Technical Committee : 39 - Welding and allied processes
- Replaces SR EN ISO 11666:2011
- Normative reference SR EN ISO 23279:2018
- Normative reference SR EN ISO 17640:2011/C91:2016
- Normative reference SR EN ISO 5577:2017
- Normative reference SR EN ISO 17640:2011
- Normative reference SR EN ISO 5817:2015
- Normative reference SR EN ISO 17635:2017