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    AECMA PREN 2220-1977 Steel FE-PL52 S 1080 MPa Less Than or Equal to Rm Less Than or Equal to 1250 MPa Tubes for Structures 2 mm Less Than or Equal to a Less Than or Equal to 20 mm i.pdf

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    AECMA PREN 2220-1977 Steel FE-PL52 S 1080 MPa Less Than or Equal to Rm Less Than or Equal to 1250 MPa Tubes for Structures 2 mm Less Than or Equal to a Less Than or Equal to 20 mm i.pdf

    1、AECMA PREN2220-77 0 1012311 0002539 .7 d DRAFT A.E.C.M.A. STANDARD prEN2220 NORME A.E.C.M.A. Edition 1 A,E.C.M.A. NORM October 1977 ENGLISH VERSION STEEL FE-PL52 S i080 MPa Q Rm Q 1250 MPa TUBES FOR STRUCTURES 2 mm Qa Sa AEROSPACE SERIES ACIER FE-PL52 S STAHL FE-PL52 S 1080 MPa , 5a 1080 MPa d Rm Q

    2、1250 MPa KONSTRUKTIONRHRE 2 mrn 5a SERIE AEROSPATIALE LUFT-UND RAUMFAHRT-REIHE The tek t of this standard, which exists in three equivaleitt versions (English, Franch, German) has been drawn up under the responsabiiity of A ECMA (Association Europenile des Consfructeurs de Matriel Arospatial) and ha

    3、s been circulated to Officiai Services. An y reservatioris expressed by Official Services and not resolved in this issue, have been incorporated in the history sheet which has accompanied this prEN to LEN. It is published on yellow paper as a draft European Standard intended to receive, under the sa

    4、me presentation and according to its own rules, the approval of CEN (European Committee for Standardization). I The equivalent versions in French and German languages can WM. IbE NORMALISATION be. supplied by B.N.A.E., 8, rue Moreau-Vauthier I Approved by Copyright Association Europeene des Construc

    5、teurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-DRAFT EUROPEAN STANDARD - AEROSPACE SERIES prEN2220 -Page- 3 - i- STEEL PE-PLj2 S i080 MPa 4 Rm 6 1250 MPa Tubes for structures 2 mm 5a E kment Che

    6、mical Composition min. max. % 1 Method of molting Form Method of production Limit dimensiona Acceptance Standards Condition and Heat tramment SUPPlY Condition and Heat treatment US Test piece Heat treatment Sampling Dimensions concerned Thickness of cladding on each face Direction of samplo I Temper

    7、ature Proof Reduction of area Hardness :hear Strength Bending Ir = k x a) Impact Temperature Time Rupture Strass Elongation at rupture lotes Ai-r melted Seamless tubes 2 mm a 5 a EN2069-5 :Hardened and tempered I Annealed ,9600 8 d 990C 1 OQ I I I f Temper 6000 6 a 630C I l Hardened and tempered 1 H

    8、ardened and tempered : . : Delivery condition I 1 I I Reference ?I I Annea led I see lne 29 D = 1.6 mm Hardened and tempered I - Room temperature - 2 930 2 930 - 1080 R, 1250 1080 4 R, 1250 . -1 I , 1 1MPa E 1N/mm2 .) For tu internal diameter . 4 5 ref r to the properkEsOE or bars of same external u

    9、iameter. 1. 31. 41 5). . . cee,ine 98. 1 - f. - 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-,-,-.AECMA PREN2220 77 E LOL23LL 000252L 5 W prEN222O Page

    10、4 . c I 1 Condit ion and Heat reatment re!erence )osignation lotes 2 .- - Hardened and tempered 975 i 10 “C/ OQ + Temper 625 f 5 OC Q 2) optional test. .3) Value in brackets for strip test pieces. 4) Method to be used in case of conflict. b nd if e uired to be negotiated between 5, %E:$acgurbr an8 &?ahaser. _ eneral purpose steel i weldable (TIG particularly recommended), _-“._-.-_I- 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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