1、A. E.C. M .A. STAN DARD NORME A.E.C.M.A. A.E.C.M.A. NORM prEN 3343 Issue P 1 October 1988 DIT PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS - TEL. 45-63-82-85 UDC : Key words : ENGLISH VERSION Aerospace series Aluminium alloy (701 O) Solut
2、ion treated and artificially aged (T7651 I) Extruded bars and sections I 475 - 495 - 480 - 470 Strength Rm MPa 1 - 545 - 555 - 545 - 530 Proof Stress - - Elongation - 8 - 7 - 7 - 7 A % - Reduction of area % W 145 (for information only) Hardness Shear Strength I , IMP8 *)I - Bending Ikl - I Temperatu
3、re B OC - - - Time h - Stress CJa MPa *) - - Rupture - stress GR MPa *) -_ Elongation at rupture A % - 3s see ilne 98 I *) 1 MPa= 1 N/mmz 1 Electrical MS/m conductivity Peripiteral corse wain Stress corrosion resistance 1) Fracture toughness i) Kqc MPa yni Exfoliation corrosion resistance Designatio
4、n Notes Typical use EN 2004-1 Rp0,2 max. value in longitudinal direction (L) MPa - 22 no limit 21,5 5 8 22,s Rp0,2 specified value in the longitudinal direction (L) 530 MPa max. EN 2070-3 level A (table 5) The material shall be capable of withstanding a stress of 170 MPa in the short transverse dire
5、ction for 20 days to EN 2004-4. EN 2002-22 )lalO (lOa25 I25a(50 I50a150 L-T I - I - I 28 I to be agreed I-L I - - I 23 to be agreed EN 2720 Exfoliation corrosion of the extrusion must be less than shown in EN 2720 (ASTM G 34-86, figure 2, picture E) The rules governing the designation of semi-finish
6、ed products are indicated in standard EN 2600. When the codified designation is used, the identification code shall be as follows : JEN 334311 UIIXX, I- ( Material standard number I II I /Letter code (see 6.2) I I Appropriate dimensional standard code (see 5.3) Data concerning dimension (see EN 2600) i) This is a capability requirement
