1、AECMA PREN2770 88 1012311 OOOY15L 8 m- A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 2770 Issue P 1 March 1988 EDIT PAR LASSOCATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes. 75008 PARIS -TL. 45-63-82-85 UDC : Key words : ENGLISH VERSION Aerospace series
2、 Steel FE-PL53S Hardened and tempered 1050 900 - 900 - 1050 5 Rm 5 1220 1100 5 Rm 5 1270 Thickness of cladding on each face Dlrectlon of sample 10 I Tempereture g: flPa % I“ I Elongation 14 - 10 A50 mm - I l I Reduction I o area % - - 55 - HV 197 I l IH Hard ness HRR 5-92 2) 335 5 HV 5 383 331 5 HB
3、5 375 - APa * Shear Strength RC Bending k - a u W rf o - No Temperature 0 Time t Stress oa Elongation a Rupture stress Elongatlon at rupture - A APa * % - S *) 1 MPa = 1 N/mm2 1) 2) see ilne 98 Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license wi
4、th AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-o O a AECMA PREN2770 BA LOL231L 000415Yi m- prEN 2770 Page 5 1 Condit ion and Heat treatment Reference Designation Notes Typical use 2 Hardened and tempered 975 10C I OQ or AQ + 625 5 5OC The rules governing
5、the designation of semi-finished products are indicated in standard EN 260Q. When the codified designation is used, the identification code shall be as follows : 1 EN 277O1 U, ,xX, ,-I Material standard number I II I /Letter code (see 6.2) I I Appropriate dimensional standard code (see 5.3) Data con
6、cerning dimension (see EN 2600) i) Optioiial test 2) HV for arbitration General purpose steel, weIdable (TIG particularly recommended) Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMA Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-
