ISO was prepared by the European Committee for Standardization (CEN) Technical Committee TC , Welding, Subcommittee SC 5, Testing of welds. The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the. ISO specifies two ultrasonic acceptance levels known as acceptance level 2 (AL 2) and acceptance level 3 (AL 3) for full penetration welded joints.

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BS EN ISO 11666:2018

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Search all products by. Testing conditions, Welded joints, Transverse joints, Welding, Ultrasonic testing, Acceptance approvalDimensions, Acceptance inspection, Sensitivity, Non-destructive testing, Thickness, Grades quality. Learn more about the cookies we use and how to change your settings.

Your basket is empty. Techniques, testing levels, and assessment BS It specifies ultrasonic acceptance levels 2 and 3 for bx penetration welded joints in ferritic steels, which correspond to ISO quality levels B and C and applies to welds 8 mm to mm thick.


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This international standard specifies acceptance levels for full penetration ultrasonic non-destructive testing of welded joints in ferritic steels. Manufacturers of welded joints Suppliers of welded joints Professionals responsible for acceptance inspections Quality assessors Regulatory bodies The following industries are the most likely to use this standard: The standard can also be used for other types of welds, materials and thicknesses, as oso as examinations take the lso and acoustic properties of the component into account, and an adequate sensitivity can be employed to enable the acceptance levels of this international standard to be applied.

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Overview Product Details What is this standard about? Who is this standard for? Click to learn more. These acceptance levels apply to testing carried out in accordance with ISO The nominal frequency of probes used in uso standard is between 2 MHz and 5 MHz unless attenuation or requirements for higher resolution call for other frequencies.


Give careful consideration to using these acceptance levels in conjunction with frequencies outside this range.

BS EN ISO Non-destructive testing of welds. Ultrasonic testing. Acceptance levels

Ba acceptance level corresponding to ISO quality level D is not included because ultrasonic testing is generally not requested for this weld quality.

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