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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Who is this gs for? 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: Techniques, testing levels, and assessment BS Find Similar Items This product falls into the following categories.

An acceptance level corresponding to ISO quality level D is ido included because ultrasonic testing is generally not requested for this weld quality. You may find similar items within these categories by selecting from the choices below:.


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

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Please download Chrome or Firefox or view our browser tips. These acceptance levels apply to testing carried out in accordance with ISO You may experience issues viewing this site in Internet Explorer 9, 10 or Click to learn more.

ISO – Non-destructive testing of welds — Ultrasonic testing — Acceptance levels

Testing conditions, Welded joints, Transverse joints, Welding, Bss testing, Acceptance approvalDimensions, Acceptance inspection, Sensitivity, Non-destructive testing, Thickness, Grades quality. It specifies ultrasonic acceptance levels 2 and 3 for full penetration welded joints in ferritic steels, which correspond to ISO quality levels B and C and applies to welds 8 mm to mm thick.

Give careful consideration to using these acceptance levels in conjunction with frequencies outside this range. It also introduces state of the art methodology and technology. We use cookies to make our website easier to use and to better understand your needs.

BS EN ISO 11666:2018

Accept and continue Learn more about the cookies we use and how to change your settings. The nominal frequency of probes used in this standard io between 2 MHz and 5 MHz unless attenuation or requirements for higher resolution call for other frequencies. This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3.


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Take the smart route to manage medical device compliance. The standard can also be used for other types of welds, materials and thicknesses, as long as examinations take the geometry and acoustic properties of the component into account, and an adequate sensitivity can be employed isl enable the acceptance levels of this international standard to be applied.

This revision updates and corrects errors in the edition. Learn more about the cookies we use and how to change your settings.

This international standard specifies acceptance levels for full penetration ultrasonic non-destructive testing of welded joints in ferritic steels. Overview Product Details What is this standard about?