1、A.E.C. M .A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM Edition approved for publication Comments should be sent within six months prEN 3478 issue P 1 March 1988 C5 Chairman DIT PAR LASSOCIATION EUROPENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TL. 45-63-82-85
2、UDC : Key words : ENGLISH VERSTON Aerospace series Steel FE-PM63 Solution annealed transformation treated and precipitation hardened 1310 1170 Proof UI Stress A _- 1310 5 Rm 5 1550 a I W Strength % 4 5 Elongation Reductlon Hardness - 40 HRc (for information) - In the solution annealed condition : 0,
3、5 x a Shear Strength Bending 480 Impact Temperature o g: Time t h a w W a o - Nc Stress Elongatlon Rupture Stress Elongation at NPNre % 3s *I 1 MPa = 1 N/rnrn2 1) see line 98 prEN 3478 Page 5 1 Designation Notes Typical use n L The rules governing the designation of semi-finished products are indica
4、ted in standard EN 2600. When the codified designation is used, the identification code shall be as follows : Material standard nimber Appropriate dimensional standard code (see 5.3) Data concerning dimension (see EN 2600) code (see 6.2) . 1) 750 5 Q 5 770C / t 2 1 h 30 min / AC below 20C for 1 h minimuni.