EN 4045:2001
(Main)Aerospace series - Capillary tubes, seamless in heat resisting alloys - Diameter 0,6 mm <= D <= 2 mm - Dimensions
Aerospace series - Capillary tubes, seamless in heat resisting alloys - Diameter 0,6 mm <= D <= 2 mm - Dimensions
This standard specifies the dimensions and tolerances of:
Capillary tubes, seamless
in heat resisting alloys
Diameter 0,6 mm £ D £ 2 mm
for aerospace applications.
Luft- und Raumfahrt - Kapillarrohre, nahtlos aus hochwarmfesten Legierungen - Durchmesser 0,6 mm = D = 2 mm - Maße
Diese Norm legt die Maße und Toleranzen von:
Kapillarrohren, nahtlos
aus hochwarmfesten Legierungen
Durchmesser 0,6 mm = D = 2 mm
für Anwendungen in der Luft- und Raumfahrt fest.
Série aérospatiale - Tubes capillaires, sans soudure en alliages résistant à chaud - Diamètres 0,6 mm <= D <= 2 mm - Dimensions
Aerospace series - Capillary tubes, seamless in heat resisting alloys - Diameter 0,6 mm <= D <= 2 mm - Dimensions
General Information
- Status
- Published
- Publication Date
- 18-Sep-2001
- Withdrawal Date
- 30-Mar-2002
- Technical Committee
- ASD-STAN - Aerospace
- Drafting Committee
- ASD-STAN/D 4 - Metallic
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 01-Jun-2017
- Completion Date
- 14-Apr-2025
Overview
EN 4045:2001 is a CEN/AECMA aerospace standard that specifies the dimensions and tolerances for seamless capillary tubes manufactured from heat-resisting alloys with nominal diameters in the range 0.6 mm ≤ D ≤ 2 mm. It is part of the EN metallic materials series for aerospace applications and defines form, recommended dimensions, mass data and geometric tolerances required for reliable use in aerospace fluid systems and components.
Key topics and technical requirements
- Scope: Seamless capillary tubes in heat-resisting alloys for aerospace use, diameter range 0.6–2.0 mm.
- Form and documentation: General form is illustrated (see standard figure) and the standard is linked to the EN series organizational rules (EN 4258).
- Recommended dimensions and mass: Provides nominal diameters, wall thickness ranges and linear mass values (calculated using a density of 8.1 kg/dm3).
- Dimensional tolerances:
- Diameter tolerance: 0.035 mm for 0.6 ≤ D ≤ 2 mm.
- Thickness tolerance: 0.02 mm for specified thickness range (example range given in the standard: 0.1 mm ≤ a ≤ 0.2 mm).
- Length: Orders must specify whether tubes are supplied in fixed or random lengths; for random lengths the minimum and maximum shall be stated.
- Geometric tolerances (measurement methods referenced to EN 3848):
- Straightness: Straightness deviation Y1 per metre is specified (value given in the standard).
- Roundness: Roundness deviation must be contained within the outside diameter tolerances.
- Eccentricity: Eccentricity must be contained within the wall thickness tolerances.
Applications and who uses this standard
- Practical applications: Specification for small-diameter capillary tubing used in aerospace fluid systems and components where high-temperature and corrosion resistance are required-commonly applied in instrumentation lines, sensing connections and precision fluid transfer assemblies.
- Users:
- Aerospace designers and systems engineers specifying tubing for aircraft and spacecraft fluid systems.
- Manufacturers and suppliers of metal capillary tubes and heat-resisting alloy products.
- Quality control, inspection and test laboratories verifying dimensional and geometric compliance.
- Procurement specialists and standards writers preparing purchase specifications and contractual requirements.
Related standards
- EN 4258 - General organization of aerospace metallic material standards (links between EN types).
- EN 3848 - Method of measuring form deviations (referenced for straightness, roundness and eccentricity measurement).
Keywords: EN 4045:2001, capillary tubes, seamless, heat resisting alloys, aerospace standard, dimensions, tolerances, diameter 0.6-2 mm, straightness, roundness, eccentricity, EN 3848, EN 4258.
Frequently Asked Questions
EN 4045:2001 is a standard published by the European Committee for Standardization (CEN). Its full title is "Aerospace series - Capillary tubes, seamless in heat resisting alloys - Diameter 0,6 mm <= D <= 2 mm - Dimensions". This standard covers: This standard specifies the dimensions and tolerances of: Capillary tubes, seamless in heat resisting alloys Diameter 0,6 mm £ D £ 2 mm for aerospace applications.
This standard specifies the dimensions and tolerances of: Capillary tubes, seamless in heat resisting alloys Diameter 0,6 mm £ D £ 2 mm for aerospace applications.
EN 4045:2001 is classified under the following ICS (International Classification for Standards) categories: 49.080 - Aerospace fluid systems and components. The ICS classification helps identify the subject area and facilitates finding related standards.
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Aerospace series - Capillary tubes, seamless in heat resisting alloys - Diameter 0,6 mm <= D <= 2 mm - DimensionsLuft- und Raumfahrt - Kapillarrohre, nahtlos aus hochwarmfesten Legierungen - Durchmesser 0,6 mm = D = 2 mm - MaßeSérie aérospatiale - Tubes capillaires, sans soudure en alliages résistant a chaud - Diametres 0,6 mm <=
D <=
2 mm - DimensionsAerospace series - Capillary tubes, seamless in heat resisting alloys - Diameter 0,6 mm <=
D <=
2 mm - Dimensions49.080Aerospace fluid systems and componentsICS:Ta slovenski standard je istoveten z:EN 4045:2001SIST EN 4045:2002en01-januar-2002SIST EN 4045:2002SLOVENSKI
STANDARD
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 4045September 2001ICS 49.080English versionAerospace series - Capillary tubes, seamless in heat resistingalloys - Diameter 0,6 mm
D
2 mm - DimensionsSérie aérospatiale - Tubes capillaires, sans soudure enalliages résistant à chaud - Diamètres 0,6 mm
D
2 mm- DimensionsLuft- und Raumfahrt - Kapillarrohre, nahtlos aushochwarmfesten Legierungen - Durchmesser 0,6 mm
D 2 mm - MaßeThis European Standard was approved by CEN on 2 May 2001.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the 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 translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2001 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 4045:2001 ESIST EN 4045:2002
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