1、I AECMA PREN2518 82 a 10123LL 00033-b 8 i 6 - - - -i=- A.E.C.M.A, STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM prE N25 18 Edition 1 June 1982 ENGLISH VERSION TITANIUM TI-PO2 390 MPa , 30 min / cool in air or inert atmosphere Condition of use De 1 ivery condi tion Test piece Heat treatment Sampling Dime
2、nsions concerned . I I mm Q 200 - L, LT or reforged sample L r LT Thickness of cladding on each face Direction of sample Temperature Proof Strength Reduction of area Room temperature 7/ 290 390 6 Rm4 540 vp o,: MPa) MPal A % u 20 i 30 z % Hardness H MPa) - Shear Strength Bending I mpect J Oc h - - K
3、 8 _. t _. a I Temperature ITime fi Stress lu (r u Elongatlon Rupture Stress A Elongation at ruptre Notes AECMA PREN2518 82 W 101231L 0003388 1 W 2 1 3 Notes rypical usa 1) Hydrogen content : - Bars for forging : 100 ppm max. - Bars for machining : 125 ppm max. 7) Determination not: required for routine acceptance. 3) in preparation.