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

It also introduces state of the art methodology and technology. Overview Product Details What is this standard about?

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The standard can also be used for other io 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 to enable the acceptance levels of this international standard to be applied.


This website is best viewed with browser version of up to Microsoft Internet Explorer 8 or Firefox 3. The nominal frequency of probes used in this standard is between 2 MHz and 5 MHz unless attenuation or requirements for higher resolution call for other frequencies. Worldwide Standards We can source any standard from anywhere in the world.

Learn more about the isp we use and how to change your settings. 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.

We use cookies to make our website easier to use and to better understand your needs. These acceptance levels apply to testing carried out in accordance with ISO Give careful consideration to using these acceptance levels in conjunction with frequencies outside this range. Please download Chrome or Firefox or view our browser tips.

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

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  IR 715-2 PDF

Techniques, testing levels, and assessment BS Manufacturers 1166 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: You may experience issues viewing this site in Internet Explorer 9, 10 or Who is this standard for? Click to learn more.

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

Search all products by. Testing conditions, Welded joints, Transverse joints, Welding, Ultrasonic testing, Acceptance approvalDimensions, Acceptance inspection, Sensitivity, Non-destructive testing, Thickness, Grades quality.

Take the smart route to manage medical device compliance. This international standard specifies acceptance levels for full penetration ultrasonic non-destructive testing of welded joints in ferritic steels.