British Standards Institution

Sector: Manufacturing

Overview: Under the direction of WEE/46, for general standards for the application of non-destructive testing to mechanical engineering materials and components including the non-destructivbe testing of meatllic welds. This committee provides the detailed technical input to standards for general radiographic examination, radiographic examination of welds, real-time radiographuy, readiation methods, ionizing radiation and computed tomography. It provides the UK input into CEN/TC 138/WG 1, ISO/TC 44/SC 5/WG 1 and ISO/TC 135/SC 5.

Committee standards activity

In Progress (13)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 5576	Non-destructive testing — Industrial X-ray and gamma-ray radiology — Vocabulary Categories: Unclassified documents Proposal begins :	Proposal
BS ISO 23432	Non-destructive testing — Gamma scanning method of highly attenuating container walls — Evaluation of the integrity of various shielding structures by using gamma topography technique Categories: Unclassified documents Drafting begins : 2026-12-29	Drafting
BS EN ISO 32543-5	Non-destructive testing — Characteristics of focal spots in industrial X-ray systems — Part 5: Focal spot reconstruction technique Categories: Unclassified documents Drafting begins : 2026-08-14	Drafting
BS EN ISO 32543-4	Non-destructive testing — Characteristics of focal spots in industrial X-ray systems — Part 4: Measurement of the effective focal spot size of micro- and nanofocus X-ray tubes with spot sizes < 100 µm Categories: Unclassified documents Drafting begins : 2026-08-14	Drafting
BS EN ISO 21432	Non-destructive testing — Standard test method for determining residual stresses by neutron diffraction Categories: Unclassified documents Public comment begins : 2020-05-07	Public comment
BS EN ISO 20769-2	Non-destructive testing — Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays —. Part 2: Double wall radiographic inspection Categories: Testing. Non-destructive Public comment begins : 2026-01-07	Public comment
BS EN ISO 20769-1	Non-destructive testing — Radiographic inspection of corrosion and deposits in pipes by X- and gamma rays —. Part 1: Tangential radiographic inspection Categories: Testing. Non-destructive Public comment begins : 2026-01-07	Public comment
BS EN ISO 19232-5	Non-destructive testing — Image quality of radiographs. Part 4: Mechanics Categories: Unclassified documents Drafting begins : 2027-03-01	Drafting
BS EN ISO 19232-1	Non-destructive testing — Image quality of radiographs —. Part 1: Determination of the image quality value using wire-type image quality indicators Categories: Testing. Non-destructive Drafting begins : 2026-05-15	Drafting
BS EN ISO 16371-1	ISO 16371-1 Non-destructive testing. Industrial computed radiography with storage phosphor imaging plates. Part 1: Classification of systems and long-term stability Categories: Testing. Non-destructive Public comment begins : 2026-06-15	Public comment

Published (23)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD CEN/TS 18094:2024	Non-destructive testing. Test method for determining residual stresses by synchrotron x-ray diffraction Categories: Testing. Non-destructive Published standard begins : 2024-12-23	Published standard
BS ISO 23159:2020	Non-destructive testing. Gamma ray scanning method on process columns Categories: Testing. Non-destructive Published standard begins : 2020-07-02	Published standard
BS EN ISO 5580:2023	Non-destructive testing. Industrial radiographic illuminators. Minimum requirements Categories: Testing. Non-destructive Published standard begins : 2023-12-08	Published standard
BS EN ISO 32679:2025	Non-destructive testing. Radiographic testing. Determination of the size of industrial radiographic gamma sources (ISO 32679:2024) Categories: Testing. Non-destructive Published standard begins : 2025-10-07	Published standard
BS EN ISO 32543-3:2026	Non-destructive testing. Characteristics of focal spots in industrial X-ray systems. Measurement of the effective focal spot size of mini and micro focus X-ray tubes Categories: Testing. Non-destructive Published standard begins : 2026-02-26	Published standard
BS EN ISO 32543-2:2026	Non-destructive testing. Characteristics of focal spots in industrial X-ray systems. Edge method with hole or disk type test objects Categories: Testing. Non-destructive Published standard begins : 2026-01-23	Published standard
BS EN ISO 32543-1:2025	Non-destructive testing. Characteristics of focal spots in industrial X-ray systems. Part 1: Pinhole camera radiographic method (ISO 32543-1:2024) Categories: Testing. Non-destructive Published standard begins : 2025-10-07	Published standard
BS EN ISO 19232-3:2025	Non-destructive testing. Image quality of radiographs. Minimum image quality values Categories: Testing. Non-destructive Published standard begins : 2025-07-10	Published standard
BS EN ISO 17636-2:2022	Non-destructive testing of welds. Radiographic testing. Part 2: X- and gamma-ray techniques with digital detectors Categories: Testing. Non-destructive \| Welded joints and welds Published standard begins : 2022-10-06	Published standard
BS EN ISO 17636-1:2022	Non-destructive testing of welds. Radiographic testing. X- and gamma-ray techniques with film Categories: Welded joints and welds Published standard begins : 2022-08-05	Published standard

Withdrawn (7)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS ISO 32679:2024	Non-destructive testing. Radiographic testing. Determination of the size of industrial radiographic gamma sources Categories: Testing. Non-destructive Withdrawn begins : 2025-10-07	Withdrawn
BS ISO 32543-1:2024	Non-destructive testing. Characteristics of focal spots in industrial X-ray systems. Pinhole camera radiographic method Categories: Testing. Non-destructive Withdrawn begins : 2025-10-07	Withdrawn
BS ISO 21432:2019	Non-destructive testing. Standard test method for determining residual stresses by neutron diffraction Categories: Testing. Non-destructive Withdrawn begins : 2020-10-02	Withdrawn
BS EN ISO 15708-4:2019	Non-destructive testing. Radiation methods for computed tomography. Qualification Categories: Testing. Non-destructive Withdrawn begins : 2025-06-26	Withdrawn
BS EN ISO 15708-3:2019	Non-destructive testing. Radiation methods for computed tomography. Operation and interpretation Categories: Testing. Non-destructive Withdrawn begins : 2025-07-04	Withdrawn
BS EN ISO 15708-2:2019	Non-destructive testing. Radiation methods for Computed tomography. Principles, equipment and samples Categories: Testing. Non-destructive Withdrawn begins : 2025-01-24	Withdrawn
BS EN ISO 15708-1:2019	Non-destructive testing. Radiation methods for computed tomography. Terminology Categories: Testing. Non-destructive Withdrawn begins : 2024-10-30	Withdrawn

Standards Development

WEE/46/5 - Radiographic Testing

Committee standards activity