1、w z z UI w c, w a - Approved by COMITE DE NORMALISATION of A.E.C.M.A. 79-07-31 A.E.C.M .A, STAND AR D NORME A.E.C.M.A. The equivalent versions in French and German languages can be supplied by E.N.A.E 8, rue Moreau-Vauthier moo EOULOGNE-BILLANCOURT - FRANCE. DRAFT prEN2302 Edition 1 March 1980 A.E.C
2、.M.A. NORM ENGLISH VERSION HEAT RESISTING Rpo, 310 MPa SHEETS AND STRIPS 0,25 mm 310 MPa BLECHE UND BNDER 025 mrn 310 MPa NICKEL L EG I E RUNG N I-P9 1 -HT The text of this standard, which exists in three equivalent versions (English, French, German), has been drawn up under the responsability of AE
3、CMA (Association Europenne des Constructeurs de Matriel Arospatial) and has received the agreement of Official Services concerned. lt is published on yellow paper as a draft European Standard intended to receive, under the same presentation and according to its own rules, the approval of CEN (Europe
4、an Committee for Standardization). c si Mn s Co Cr Cu Fe Pb Ti Ni ),OS ),i5 - - - - m,o - - - 0.20 i,o i,o 0,020 5,o 21,o 0,5 5,o (50) 0,60 Base AECMA PREN2302 0 R LOL23LL 0002LTL L M _ DRAFT EUROPEAN STANOARD - AEROSPACE SERIES prEii302 Page 3 HEAT RESISTING NICKEL BASE ALLOY NI-Pgl-HT Rpq,2 a310 M
5、Pa Sheets and strips 0,25 mm 4 -a S 3 m4) Element Chemical Composition % 2 min. max. 2 3 4 1 Air or vacuum melt or Air melt and vacuum refine or Consumable electrode remelt ethod of melting 31 Sheet and strip Cold rolled 0,25 mm 4 a d 3 mm Ei2098-i and E#2098-2 41 - EW2366 - Annealed and descaled or
6、 bright annealed orm lethod of production mit dimensions .i Acceptance standards ,2 Dinerisional standards ondition nd leat treatment )elivery 5) 1000C 310 2 650 760 Temperature Proof u Stress r! A - Z % Reduction I of area % iardness 230 I a 230 RC - k K - ;hear Strength 3ending 1800 mpact - J e OC
7、 t h vi Pa* % - Time n Stress a u Elongation W W Ja 8 Rupture Stress Elongation L at rupture A % - - *I 1MPe = 1N/mm2 I), 2i, 3). 41, 51, see iine98. Not6s AECMA PREN2302 80 m.LOL232L 0002842 3 1 Votes Typical use 2 13 I) Annealed sheet and strip in NI-P91-HT is also specified in EN2293 with alterna
8、tive strength va I ues. !I Bracketed figures indicate composition expressed as parts per million (ppm). The method of analysis for lead shall be agreed between manufacturer and purchaser. I) The method of meIt1r-g required shall be agreed between manufacturer and purchaser. I) In preparation. i) For strip annealed in a continuous furnace, a furnace temperature setting higher than 1050 Oc may be used,
