1、rn 2 m v: i I- l E? a a CU O O rn f- ur? uf a -E? 2 - 0; 3 CU- 1 - f) O .o CU -I i- a v) O a a a - w -I a W I- Q z a UI ut v) a 3 W I- u 3 n i u v) ut o ut z 2 W u1 a O a 3 w 2 i- o 0 o 5 a / 450 a 390 r, 480 ? 400 3 450 r, 390 & 510 t 460 + 530 E 470 510 r, 460 Rm APa A % Z % tlB 150 (for informati
2、on) Shear Strength RC - k K - Bending Impact - n. w w a o - Temperature 6 OC Time t h Stress oa % APa* - Elongation Rupture Stress A % Etongatlon Bt rupture Votes AECMA PREN2385 82 LOL23Ll 0003079 T m - 2 C lec t r ical conductivity 3 4 Stress corrosion 1 lotes yplcal use 21,5 y c 22 EM2004-1 Accept
3、able The forgings are suspect and a stress corrosion test is required Not acceptable The forgings shall be re-aged at 170 2 3OC, total time ageing and re-aging at 17OOC shall be t 8 8 h, or completely reheat treated (solution treatment, quenching and ageing). The forgings shall then meet the electrical conductivity require- ments. 21,5 EN20044 5, ) Bars only. i) A50 mm a 6% for a C 10 mm A50 mmb 3,5% for a 4 10 mm j) In preparation. e e a
