DIN EN () Founding – Ultrasonic examination – Part 2: Steel castings for highly stressed components. Hello. The scope of this standard is for highly stressed components. Where is the limit? When can I know if one material is higly stressed or not. Licens k?bt af: Vesta Wind System A/S Dansk standard DS/EN 1. udgave St?bning – Ultralydunders?gelse – Del 2.
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Click Here to join Eng-Tips and talk with 1268-02 members! For undated references the latest edition of the publication referred to applies including amendments. You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. The wall section shall be divided into zones as shown in Figure 1.
This standard is not included in any packages. Table 2 — Ultrasonic testability requirements Dimensions in millimetres Wall thickness Tested area Smallest flat-bottomed hole diameter detectable according to 5.
EN – NDT Ultrasonic examination. Founding – Material engineering other topics – Eng-Tips
You may delete a 126802- from your Alert Profile at any time. Register now while it’s still free! NOTE For the definition of an adequate flat-bottomed hole size, the distance gain size system DGS or a test block of identical material, heat treatment condition and section thickness containing flat-bottomed holes with a diameter according to 126800-2 2 or equivalent side-drilled holes, can be used. Unless otherwise agreed by the time of enquiry and order, when, after conducting the radiographic and the ultrasonic examination in combination, it has been demonstrated that a discontinuity is situated in the core zone, this additional information shall make the discontinuity acceptable at one level less severe, e.
The area of indication with measurable length but with non-measurable dimension in through-wall direction shall be calculated according to the formula given in Figure 2.
Hvis der efter nr. Digital Transformation may be defined in a number of different ways by analysts or enterprise software vendors. The coupling medium shall wet the examination area to ensure satisfactory sound transmission.
When calibration ej are used, transfer correction can be necessary. DS-publikationstyper Dansk Standard udgiver forskellige publikationstyper. Figure 3 — Recording and acceptance limits for volumetric indications with measurable dimensions in the rim zone see also Figures C.
Indications with measurable dimensions are not permissible in severity 1260-2 1. The Eng-Tips staff will check this out and take appropriate action. Group of mainly non-resolvable indications: ENNon-destructive testing — Ultrasonic examination — Part 1: Sensitivity and range setting.
ENWelds in steel — Calibration block No. Please first verify your email before subscribing to alerts. For an area with measurable length and non-measurable dimension in through-wall direction, this non-measurable dimension shall be taken as 3 mm and the area be calculated: For examining zones close to the surface, twin-crystal probes ej or angle should be preferred. When can I know if one material is higly stressed or not?
The location of reflection points shall be documented, e. Steel castings for highly stressed components Fonderie – 126800-2 ENFounding — Ultrasonic examination — Part 2: ENFounding — Ultrasonic examination — Part 3: In special cases, specific agreements can be made. Unless other requirements have been agreed by the time of acceptance of the order, for finishing welds, the requirements for the parent metal shall apply.
122680-2 identify the type of indication, the test sensitivity can be changed according to the distance from the test surface, the geometrical shape and the surface finish of the test surface. This investigation can be achieved by altering the e test technique e. This is one of three European Standards for ultrasonic examination.
This European Standard applies to the ultrasonic examination of steel castings which have usually received a grain refining heat treatment and which have wall thicknesses up to and including mm. Download Now White Paper: Distinction shall be made between the different types of indications given in Table 4. Dn Alert Profile lists the documents that will be monitored. Testing with twin-crystal probes is only adequate for wall thicknesses up to 50 mm.
Thank you for helping keep Eng-Tips Forums free from inappropriate posts. The other standards are: When testing from one side only, short-range resolving probes shall be 1268-02 additionally for the detection of discontinuities close to the surface.
BS EN 12680-2:2003
A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the official versions.
Distance gain size technique 21680-2 The distance gain size technique makes use of a series of theoretically derived curves which link the soundbeam path, the apparatus gain and the diameter of a disc-shaped reflector which is perpendicular to the beam axis. If the echo height of this smallest detectable flat-bottomed or equivalent side-drilled hole diameter at the end of the test range to be assessed is less than 6 dB above the grass level, then the ultrasonic testability is reduced.
Each location where indications to be recorded have been found, shall be marked and indicated in the test report. ENFounding — Ultrasonic examination — Part 1: This European Standard applies to the 1268-02 examination of steel 1268-2 which have usually received a grain refining heat treatment and which have wall thicknesses up to and including mm.
For simplification of the procedure, the following categorizations of discontinuities are made: