1、4 AECMA PREN2335 Bb W LOL2311 01018_8b Lt A. E.C. M .A. STAN DARD prEN2135 NORME A.E.C.M.A. hue P I A.E.C.M.A. NORM April 1986 %DITE PAR LASSOCIATION EUROPEENNE DES CONSTRUCTEURS DE MATRIEL AROSPATIAL 88, boulevard Malesherbes, 75008 PARIS -TL. 45-63-82-85 Edition approved for publication ENGLISH VE
2、RSION Comments should be sentwithin six months C5 Chairman after the date of publication decision Aerospace series Steel FE-PL61 Carburized, hardened and tempered Bar De Imeniloni :o ncerned rhlcknon of :Iaddlnti on o.ch f.cr L Room temperature Ir.otlon of urnple Tmparrmire 8 oc I G 730 I 2 630 - 73
3、0 - - 930 SR, L 1230 - .3 11 b 11 3 11 . P 930 3 830 I Elonmtlon I A I % % Reduction of area Hrrdnem 3haar Strength R, MP.“ HB d 217 HB L 248 HB , 277 HB2 277 HV d 228 3, I Bending I4 - - - 3 40 B 35 40 I Elongalon 1 - 8 1 % - i Noter see line 88 Previous page is blank prEN2135 Page 4 AECMA PREN2135
4、 86 W 10LZ311 0007888 8 W 1 Condition and Heat treatment Reference Jominy hardenability Designation Notes Typical use 2 I 3 I 4 I 5 Hardened and tempered 820 5 1ooc / 09 + Tempered 190 2 5OC Distance in mm . 5 9 15 25 40 HRC min. t 31 28 22 - - HRC max. 44 41 36 31 28 ) Testing requirements for the
5、simlated case hardening test (will be c0ntained.h the standards EN2069 and EN2157 IIInspection and testing requirements .I on the occasion of the next revision) : One bar per batch. The tensile test piece will be taken in longitudinal direction from the core for bars of 11 and 16 mm diameter. Other sections and larger diameters will be rolled or forged to these dimensions. ) Optional test. ) HV for De 4 5 mm. Case hardening steel; Bell pivot
