Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 1: General requirements

This European Standard defines the ultrasonic inspection procedure for rolled, drawn, extruded and forged billets, bars and plates, rolled rings and forgings with a uniform square, rectangular or round cross section. It does not cover critical rotating parts in steel, titanium, titanium alloys, aluminium alloys and heat resisting alloys that are to be inspected in accordance with the technical supply conditions of the relevant EN standards or internal specifications.

Luft- und Raumfahrt - Prüfverfahren für metallische Werkstoffe - Ultraschallprüfung von Stangen, Platten, Schmiedevormaterial und Schmiedestücken - Teil 1: Allgemeine Anforderungen

Diese Europäische Norm beschreibt das Verfahren zur Ultraschallprüfung für gewalzte, gezogene, fließgepresste und geschmiedete Walzblöcke, Stangen und Platten, gewalzte Ringe und Schmiedestücke mit gleichmäßigem quadratischen, rechteckigen oder runden Querschnitt. Diese Norm gilt nicht für hoch beanspruchte drehende Teile in Stahl, Titan, Titanlegierungen, Aluminiumlegierungen und wärmeresistenten Legierungen, die in Übereinstimmung mit den technischen Lieferbedingungen der entsprechenden EN-Normen oder internen Spezifikationen zu überprüfen sind.

Série aérospatiale - Méthode d'essai applicable aux matériaux métalliques - L'inspection par ultrasons des barres, des plaques, des stocks de forgeage et de pièces forgées - Partie 1: Exigences générales

Aeronavtika - Metode za preskušanje kovinskih materialov - Ultrazvočno preskušanje palic, plošč, kovnih materialov in izkovkov - 1. del: Splošne zahteve

General Information

Status
Published
Publication Date
10-Feb-2014
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
02-Jan-2014
Due Date
09-Mar-2014
Completion Date
11-Feb-2014

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SIST EN 4050-1:2014
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.YRþQRLuft- und Raumfahrt - Prüfverfahren für metallische Werkstoffe - Ultraschallprüfung von Stangen, Platten, Schmiedevormaterial und Schmiedestücken - Teil 1: Allgemeine AnforderungenSérie aérospatiale - Méthode d'essai applicable aux matériaux métalliques - L'inspection par ultrasons des barres, des plaques, des stocks de forgeage et de pièces forgées - Partie 1: Exigences généralesAerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings - Part 1: General requirements49.035Sestavni deli za letalsko in vesoljsko gradnjoComponents for aerospace construction49.025.01Materiali za letalsko in vesoljsko gradnjo na splošnoMaterials for aerospace construction in generalICS:Ta slovenski standard je istoveten z:EN 4050-1:2012SIST EN 4050-1:2014en01-marec-2014SIST EN 4050-1:2014SLOVENSKI

STANDARD
SIST EN 4050-1:2014
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 4050-1
September 2012 ICS 49.025.05; 49.025.15 English Version

Aerospace series - Test method for metallic materials - Ultrasonic inspection of bars, plates, forging stock and forgings -Part 1: General requirements

Série aérospatiale - Méthode d'essai applicable aux matériaux métalliques - L'inspection par ultrasons des barres, des assiettes, des stocks de forgeage et de pièces forgées - Partie 1: Exigences générales

Luft- und Raumfahrt - Prüfverfahren für metallische Werkstoffe - Ultraschallprüfung von Stangen, Platten, Schmiedevormaterial und Schmiedestücken - Teil 1: Allgemeine Anforderungen This European Standard was approved by CEN on 15 July 2011.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,

B-1000 Brussels © 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 4050-1:2012: ESIST EN 4050-1:2014

EN 4050-1:2012 (E) 2 Contents Page Foreword ..............................................................................................................................................................31 Scope ......................................................................................................................................................42 Generality ...............................................................................................................................................43 Normative references ............................................................................................................................44 Method ....................................................................................................................................................45 Terms and definitions ...........................................................................................................................56 Standard test blocks .......................................................................................................................... 106.1 Introduction ......................................................................................................................................... 106.2 General ................................................................................................................................................. 106.3 Reference reflectors ........................................................................................................................... 106.4 Surface condition................................................................................................................................ 106.5 Attenuation corrections ..................................................................................................................... 107 Test equipment ................................................................................................................................... 107.1 Electronic equipment ......................................................................................................................... 107.2 Transducers ........................................................................................................................................ 118 Preparation of items for testing ........................................................................................................ 119 Beam angle .......................................................................................................................................... 1110 Scanning modes ................................................................................................................................. 1110.1 Plate ..................................................................................................................................................... 1110.2 Rectangular bar ................................................................................................................................... 1110.3 Round bar ............................................................................................................................................ 1110.4 Forging stock, forgings and rolled rings ......................................................................................... 1211 Acceptance criteria ............................................................................................................................. 1212 Qualification and approval of personnel .......................................................................................... 1213 Inspection and test report .................................................................................................................. 12 SIST EN 4050-1:2014

EN 4050-1:2012 (E) 3 Foreword This document (EN 4050-1:2012) has been prepared by the Aerospace and Defence Industries Association of Europe - Standardization (ASD-STAN). After enquiries and votes carried out in accordance with the rules of this Association, this Standard has received the approval of the National Associations and the Official Services of the member countries of ASD, prior to its presentation to CEN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by March 2013, and conflicting national standards shall be withdrawn at the latest by March 2013. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. According to the CEN/CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 4050-1:2014

EN 4050-1:2012 (E) 4 1 Scope This European Standard defines the ultrasonic inspection procedure for rolled, drawn, extruded and forged billets, bars and plates, rolled rings and forgings with a uniform square, rectangular or round cross section. It does not cover critical rotating parts in steel, titanium, titanium alloys, aluminium alloys and heat resisting alloys that are to be inspected in accordance with the technical supply conditions of the relevant EN standards or internal specifications. 2 Generality For products with geometries other than those described above, the test conditions and acceptance criteria shall be agreed between the manufacturer and purchaser. 3 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 2000, Aerospace series — Quality assurance — EN aerospace products — Approval of the quality system of manufacturers EN 2078, Aerospace series — Metallic materials — Manufacturing schedule, inspection schedule, inspection and test report — Definition, general principles, preparation and approval EN 4050-2, Aerospace series — Test method for metallic materials — Ultrasonic inspection of bars, plates, forging stock and forgings — Part 2: Performance of test EN 4050-3, Aerospace series — Test method for metallic materials — Ultrasonic inspection of bars, plates, forging stock and forgings — Part 3: Reference blocks EN 4050-4, Aerospace series — Test method for metallic materials — Ultrasonic inspection of bars, plates, forging stock and forgings — Part 4: Acceptance criteria EN 4179, Aerospace series — Qualification and approval of personnel for non-destructive testing 4 Method The inspection shall be made in accordance with the contact or immersion method depending on the requirements of the material standard. Echo indications are classified by comparison with the indications of flat bottom holes (FBH) of specific diameter, drilled in test blocks that shall be acoustically similar to the material to be tested or have suitable correction curves to ensure equivalency, or in accordance with the DGS (Distance Gain Size) method. The method to be applied in each case shall be documented in the form of an ultrasonic technique sheet which if agreed with the purchaser shall be referenced on the order or in an inspection schedule in accordance with EN 2078. SIST EN 4050-1:2014

EN 4050-1:2012 (E) 5 The following information shall be given:  testing location;  material;  surface and machined condition (round, square, surface ground, turned, peeled, burnished, etc.);  equipment including transducers;  calibration standards;  couplant;  setting up procedure;  inspection procedure;  attenuation;  methods used for distance amplitude correction (DAC);  scan plan;  method of recording results;  defect evaluation procedure;  scan pitch;  scan speed;  scan overlap;  inspection classification;  control checks;  traceability;  inspection limitations;  any other relevant data. 5 Terms and definitions For the purposes of this document, the following terms and definitions apply. 5.1 manufacturer See EN 2000. SIST EN 4050-1:2014

EN 4050-1:2012 (E) 6 5.2 purchaser body which purchases the products from a manufacturer or a stockist in accordance with the requirements of the user Note 1 to entry: The purchaser may also be the user. 5.3 user See EN 2000. 5.4 attenuation reduction of the sound energy by absorption and scattering 5.5 multiple discontinuities indications whose spacing to one another is below the specified limits 5.6 linear discontinuity indication with a half-value length ≥ 3 times the length of the indications from a reference reflector of maximum permissible size 5.7 size of discontinuity diameter of the circular reflector which produces an echo height equal to the echo height of the discontinuity to be evaluated at the same depth 5.8 distance amplitude correction (DAC) electronic change of amplification to provide equal amplitude heights from reflectors of equal area at different depths 5.9 distance/amplitude curve correction compensation for attenuation and coupling differences between the material to be tested and the standard test blocks is only possible if the material to be tested has parallel surfaces or if surfaces ca

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