EN 3238:2010

Aerospace series - Metallic materials - Test method - Shear test for wires and rivets

This standard specifies the requirements for shear testing rivet wire and rivets in metallic materials for aerospace applications.
It shall be applied when referred to in the EN technical specification or material standard unless otherwise specified on the drawing, order or inspection schedule.

Luft- und Raumfahrt - Metallische Werkstoffe - Prüfverfahren - Prüfung der Scherfestigkeit von Drähten und Nieten

Diese Norm legt die Anforderungen an die Prüfung der Scherfestigkeit von Nietdraht und Nieten bei
metallischen Werkstoffen zur Anwendung in der Luft- und Raumfahrt fest.
Sie ist anzuwenden, wenn auf sie in der Europäischen Technischen Spezifikation oder Werkstoffnorm
verwiesen wird, sofern auf der Konstruktionszeichnung, in der Bestellung oder in der Prüfanweisung nichts
anderes festgelegt ist.

Série aérospatiale - Matériaux métalliques - Méthodes d'essais - Essai de cisaillement pour fils et rivets

Aeronavtika - Kovinski materiali - Preskusne metode - Strižni preskus za žice in kovice

Ta standard določa zahteve za strižni preskus za žico za kovičenje in kovice v kovinskih materialih za uporabo v aeronavtiki.
Uporablja se, kadar se nanaša na tehnično specifikacijo EN ali standard za materiale, razen če je drugače določeno na risbi, naročilu ali urniku pregleda.

General Information

• Status: Published
• Publication Date: 05-Oct-2010
• Withdrawal Date: 29-Apr-2011
• ICS: 49.025.01 - Materials for aerospace construction in general
• ICS: 49.030.60 - Rivets
• ICS: 49.030.99 - Other fasteners
• Technical Committee: ASD-STAN - Aerospace
• Drafting Committee: ASD-STAN/D 4 - Metallic
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 06-Oct-2010
• Completion Date: 06-Oct-2010
• Ref Project: SIST EN 3238:2011 - Aerospace series - Metallic materials - Test method - Shear test for wires and rivets

Relations

• Revised: EN 3228:2022 - Aerospace series - Nuts, hexagonal, plain, reduced height, normal across flats, in steel, cadmium plated - Classification: 900 MPa (at ambient temperature)/235 °C
• Effective Date: 26-Jun-2019

Overview

EN 3238:2010 is a European standard developed by CEN that defines the test method for shear testing of metallic wires and rivets used in aerospace applications. This standard is part of the Aerospace series addressing metallic materials, ensuring the quality and mechanical reliability of rivet wire and rivet components critical in aerospace structures.

The document specifies test requirements, equipment, sample preparation, testing procedures, and reporting protocols for determining the shear strength of wires and rivets. It applies when referenced in EN technical specifications, material standards, or engineering drawings relevant to aerospace metallic components.

Key Topics

• Scope and Application
  EN 3238:2010 applies to shear testing of metallic wires and rivets in aerospace materials. It covers cylindrical test pieces with defined diameters and lengths, providing consistency across aerospace quality assurance.

• Test Parameters and Definitions

  • Shear strength (Rc) is the maximum force divided by twice the original cross-sectional area of the test piece.
  • Key dimensions such as test piece diameter (d0), device socket diameters (d1, d2), and lengths (l1, l2) are standardized.
  • Testing temperature range is 10°C to 35°C, with dispute testing at 23±5°C.

• Testing Equipment Requirements

  • Use of tensile or compression testing machines verified per EN ISO 7500-1.
  • Shearing devices must meet dimensional and hardness specifications, ensuring reliable double shear testing.
  • Use of degreasing fluids and calibrated measurement tools is mandatory.

• Testing Procedure

  • Test pieces are loaded into the shearing device with proper alignment to the force axis.
  • Force is applied slowly until failure; maximum force is recorded.
  • Sheared fragments must be carefully removed after testing to avoid contamination of subsequent tests.

• Health and Safety
  Procedures and equipment must comply with local health and safety laws, including handling hazardous materials safely.

• Test Reporting
  Comprehensive documentation of test conditions, identification of test pieces and samples, measurement results, test personnel, dates, and any deviations must be recorded.

Applications

The EN 3238:2010 standard is widely used in the aerospace manufacturing and quality control sectors to:

• Verify the shear strength of rivet wires and rivets integral to aircraft structural assemblies.
• Provide consistent and reliable test results that ensure component durability and safety under shear loading.
• Support material certification and compliance with aerospace industry requirements.
• Assist design engineers and quality assurance specialists in assessing metallic materials for fastening applications.
• Facilitate supplier conformity assessments for aerospace rivets and wiring materials.

The standard benefits aerospace OEMs, suppliers, and testing laboratories by establishing a uniform test method recognized across all CEN member countries.

Related Standards

• EN 4259 – Aerospace series: Metallic materials – Definition of general terms
• EN ISO 7500-1 – Metallic materials: Verification and calibration of static uniaxial testing machines
• ISO 286-1 – ISO system of limits and fits for tolerances and deviations
• EN 4258 – Organization and coordination standard of the aerospace metallic materials series

These associated standards provide foundational terminology, equipment verification protocols, and overall organization of metallic material specifications relevant to EN 3238:2010.

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Keywords: aerospace test standard, metallic materials, shear test, rivet wire, rivets, aerospace quality control, EN 3238, CEN standard, shear strength testing, aerospace manufacturing, material testing, rivet shear test

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aeronavtika - Kovinski materiali - Preskusne metode - Strižni preskus za žice in koviceLuft- und Raumfahrt - Metallische Werkstoffe - Prüfverfahren - Prüfung der Scherfestigkeit von Drähten und NietenSérie aérospatiale - Matériaux métalliques - Méthodes d'essais - Essai de cisaillement pour fils et rivetsAerospace series - Metallic materials - Test method - Shear test for wires and rivets49.025.05Železove zlitine na splošnoFerrous alloys in generalICS:Ta slovenski standard je istoveten z:EN 3238:2010SIST EN 3238:2011en,de01-november-2011SIST EN 3238:2011SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 3238
October 2010 ICS 49.030.99 English Version
Aerospace series - Metallic materials - Test method - Shear test for wires and rivets
Série aérospatiale - Matériaux métalliques - Méthodes d'essais - Essai de cisaillement pour fils et rivets
Luft- und Raumfahrt - Metallische Werkstoffe - Prüfverfahren - Prüfung der Scherfestigkeit von Drähten und Nieten This European Standard was approved by CEN on 5 May 2010.
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 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 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 3238:2010: ESIST EN 3238:2011
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