1、AECMA PREN2173 77 W 1012311 0002378 4 COMITE DE NORMALISATION of A.E.C.M.A. 197848-24 A.E,C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM be supplied by B.N.A.E., 8, rue Moreau-Vauthiar 92100 BOULOGNE-BILLANCOURT - FRANCE. DRAFT pr E N2173 Edition 1 January 1979 ENGLISH VERSION HEAT RESISTING STEEL
2、 FE-PA93-HT SOLUTION TREATED AND PRECIPITATION TREATED BARS AEROSPACE SER 1 ES ACIER RESISTANT A CHAUD FE-PASSHT MIS EN SOLUTION ET PRECIPITE BARRES SERIE AEROSPATIALE HOCHWARM F ESTE R STAHL FE-PA93-HT LSUNGSGEGLHT UND AUSGELAGERT STANGEN LUFT-UND RAUMFAHRT The text of this standard, which exists i
3、n three equivalent versions (English, French, German) has been drawn up under the responsbility of A ECMA (Association Europenne des Constructeurs de Matriel Arospatial) and has been circulated to Official Services. Any reservations expressed by Official Setvices and not resolvd in this issue, have
4、been incorporated in the history sheet which has accompanied this prEN to CEN. It 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 (European Committee for Standardization). Approved by The e
5、quivalent versions in French and German languages can AECMA PREN2173 79 W 1012311 0002379 b W DRAFT EUROPEAN STANDARD - AEROSPACE SERIES prEN2173 Pcm 3 HEAT RESISTISG STEEL FE-PA93-HT Solution treated and precipitation treated artrs I I Chemical , Element Composition 11 min. I 1 5 2 I 3 I Air or vac
6、uum melt or Air melt and vacuum refine or Consunicble electrode remelt Method of melting ) Form Method of production Limit dimensions Bars for machining Ears for forging De 4 i00 mn - EN2069-1 and EN2069-3 3) Acceptance Siandards - Solution treated and $lot heat tpeted precipitation treated Hachined
7、 or descaled Condition snd Heat treatment Delivery Solution treated 980 k iO“C/t 1 h .+ air-cool 720 2 1Oo& = 16 h precipitation treated -_ 980 4 1oC/t $ 1 lilair cool Condition and Heat treatment Use Solution treated and precipitation treate Solution tfeated and precipitation treated 980 -L 10C/t 2
8、- 1 li Delivery condition !72:ii 1OoC%= 16 li air cool - Delivery, condition .i- 720 k 10Cyt= 16 h/air cool rest piece Heat treatment Sampling Dimensions concerned cladding on each face Direction of sample Condition of use Delivery condition 4 100 I - oc Temperature Proof , Stress I 2 Strength W Rom temperture - 580 - 3 850 MPa* MPa % - I- I Elongation Reduction of area Hardness Shear Strength Bending r = k x a) I Impact I- MPa 45 I MPa %I I_ Rupture Elongotion I 4 10 I & 3i5 AECMA PREN2173 79 m LOL23LL 0002380 2 m prENS173 Page 4 UOPGS -I- 1- I 2 4 I 3 5
