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    AECMA PREN 2040-1976 Rectangular Steel Bars - Rolled Dimensions - Tolerance js 16 Aerospace Series Edition 1《航空航天系列.长方形钢筋轧后尺寸容差js16.第1版》.pdf

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    AECMA PREN 2040-1976 Rectangular Steel Bars - Rolled Dimensions - Tolerance js 16 Aerospace Series Edition 1《航空航天系列.长方形钢筋轧后尺寸容差js16.第1版》.pdf

    1、I AECMA PREN2040 7b LOL23LL OOOLOb 5 U A.E.C.M.A. STANDARD NORM E A.E .C.M .A. A.E.C.M.A. NORM DRAFT prEN2040 Edition 1 December 1976 ENGLISH VERSION RECTANGULAR STEEL BARS - ROLLED DIMENSIONS - TOLERANCE js 16 AEROSPACSERI ES BARRES !LATE LAMINEES EN ACIER DIMENSION - TOLERANCE js 16 SE R I E AG RO

    2、SPATI AL E FLACHSTANGEN AUS STAHL - GEWALZT ABMESSUNGEN - TOLERANZ js 16 LUFT-UND RAUMFAHRT-REIHE The text of this standard, which exists in three equivalent versions (English, French, German), has been drawn up under the responsibility of A ECMA (Association 16uropenne des Constructeurs de Matrkl A

    3、rospatial) and has received the agreement of Official Services concerned. ltis published on yellow paper as a draft European Standard intended to receive, under the same presentation and sccording to its own rules, the approval of CEN (European Committee for Standardization). - I The equivalent vers

    4、ions in 92100 BOULOGNE-BILLANCOURT - FRANCE. Approved by COMITt! DE NORMALISATION be supplied by B.N.A.E., 8, rue Moreau-Vauthier of A.E.C.M.A. 197648-27 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or

    5、 networking permitted without license from IHS-,-,-t I AECMA PREN2040 76 W 3JOL23LL OOOLBO7 7 prEN2040 Page 2. . CONTENTS 1 f SCQPE ANR FIELD OF APPLICATION 2 REFERENCES 3 MATERIALS 4 RFQL! I RED CHARACTERISTICS B DESIGNATION 6 MARKING Copyright Association Europeene des Constructeurs de Materiel Ae

    6、rospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-E 1 2 3 6 - DRAFT prEN2040 Page 3 ._ EUROPEAN STANDARD AEROSPACE SERIES prEN2040 RECTANGULAR STEEL BARS ROLLE DIMENSIONS - TOLERANCE js 16 SCOPE AND FIELD OF APPLICATI

    7、ON This standard specifies the dimensions, tolerances and physical constants of rolled rectangular steel bars,-usqd in aerospace construct ion. REFERENCES . ISO/R 286 - 1962 IS0 system for limits and fits - EN2069 . Part 1 : General tolerances and deviations b Acceptance conditions for semi-finished

    8、 steel produ& = Technical specification, MATERIALS The materials are defined in the material standards and technical specification. REQUIRED CHARACTERISTICS The dimensions, tolerances and linear mass are.defined in figure 1 and table 1, DES1 GNATION The designation of products defined in this standa

    9、rd may include the following elements : = a) name b) number of material standard c) dimensions d) number of this dimensional-standard Example : Bar EN2030 - 40 x 10 EN2040 Note - When the designation is to be codified, dimensions shall be replaced by the code lettersin table 2 o% this standard,: MAR

    10、K1 NG Marking of the semi-finished products defined in this standard shall comply with the requirements of the teohsical specification, . ., p i) In preparation. Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reprodu

    11、ction or networking permitted without license from IHS-,-,-f- I AECMA PREN2040 7b W LOL23LL 0001i809 O prEN2040 Page 4 m rl Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-7 AECMA PREN2040 76 prEN2040 Seite 5 1 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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