BS/EN 2002-21-2019 pdf download.Aerospace series-Metallic materials-Test methods Part 21 : Radiographic testing of castings.
2 Normative references
The following documents are referred to In the text In such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 13 30-1, Aerospace series — Non-destructive testing — Terminology — Part 1: List of general terms EN 1330-2, Aerospace series — Non-destructive testing — Terminology — Part 2: Terms common to the non-destructive testing methods
EN 1330-3, Aerospace series — Non-destructive testing — Terminology — Part 3: Terms used in industrial radiographic testing
EN 4179, Aerospace series — Aerospace series — Qualification and approval of personnel for nondestructive testing
EN 4258, Aerospace series — Metallic materials — General organization of standardization — Links between types of EN standards and their use
lN 4259, Aerospace series — Metallic materials — Definitions of general terms1)
EN 25580, Aerospace series — Non-destructive testing — Industrial radiographic illuminators — Minimum requirements
EN ISO 5579, Non-destructive testing — Radiographic testing of metallic materials using film and X- or gamma rays — Basic rules2)
EN ISO 19232-1, Non-destructive testing — image quality of radiographs — Part 1: Determination of the image quality value using wire-type image quality indicators2)
EN ISO 19232-2, Non-destructive testing — Image quality of radiographs — Part 2: Determination of the image quality value using step/hole-type image quality indicators2)
EN ISO 19232-3, Non-destructive testing — image quality of radiographs — Part 3: Image quality classes2)
EN ISO 11699-1, Non-destructive testing — Industrial radiographic film — Classification offlim systems for industrial radiography²)
ASTM E155-95, Standard Reference Radiographs for Inspection ofAluminium and Magnesium Castings 3)
ASTM E 192-95, Standard References Radiographs for Investment Steel Castings of Aerospace Applications 3)
ASTM E24215, Standard Reference Radiographs for Appearances of Radiographic Images as Certain Parameters are Changed3)
ASTM E446-93, Standard Reference Radiographs for Steel Castings up to 2 in (51 mm) in Thickness 3)
ASTM E132015, Standard Reference Radiographs for Titanium Castings 3)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 4259 apply.
For the other terms, see EN 1330-1, EN 1330-2 and EN 1330-6.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• ISO Online browsing platform: available at http://www.lso.org/obp IEC Electropedia: available at http://www.electropedia.org/
Health and safety
Resources, test pieces, test samples, test materials, test equipment and test procedures shall comply with the current health and safety regulations/laws of the countries where the test is carried out.
Where equipment, materials and/or reagents which may be hazardous to health are specified, appropriate precautions in conformity with local regulations/laws shall be taken.
Particular attention shall be paid to the health and safety requirements applicable to ionising radiation (y and X—ray).
5 Principle
The method requires the use of X- or gamma-radiography for the detection of discontinuities, using film or real-time techniques, applicable to the testing of metallic materials.
See EN ISO 5579.
d) a film density measuring according to EN 444;
e) a suitable viewing room with appropriate control of illumination;
f) a viewing screen with luminance according to EN 25580 and capable of masking the area of interest;
g) radiation monitors calibrated in accordance with national standards;
h) a radiation hazard warning system;
i) a Gamma-ray source storage facility;
j) a building or room with suitable radiation shielding.
For real-time radiographic systems:
k) a means of remote manipulation;
I) electronic viewing/recording means;
m) software;
n) image enhancement and assessment tools.
6.1.2 Materials/reagents
The following material is required:
a) industrial radiographic films according to EN ISO 11699-1;
b) film processing chemicals;
c) electronic recording means.
6.1.3 QualIfication of personnel
Testing to the requirements of this document shall only be performed and/or supervised by NDT personnel, qualified and approved in accordance with the requirements of EN 4179.
6.2 Test samples
The test sample shall be the casting; or group of castings as specified by the test procedure.BS/EN 2002-21-2019 pdf download.