1、AECMA PREN2030 77 m 30323Ll 0003748 b m - A pp roved by Cor It DE NORMALISATION * F.C.M.A. 1976-10-16 -“ - A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM The equivalent versions in 92100 BOULOGNE-BILLANCOURT - FRANCE. be supplied by B.N.A.E., 8, rue Moreau-Vauthier _. DRAFT pr E N203 Edition 1
2、 August 1977 ENGLISH VERSION STEEL FEqM43 HARDENED AND TEMPERED AEROSPACE SERIES BARSD 140C then 1040C G 8 10600 / OQ. 1) 1 Referenee 2 Sec: 1i:ie 29, page 4 D1:c: u = 10 mm Softened Hardened and tempered 1 G i50 c 253 c i50 rnm Dimensions :oncerned Thickness of :laddina on each faca 96 Xrection of
3、sample Temperature Proof 2 Strength Reduction of area iardnass hear Strongth HI- 3ending r=kxa) -I- Ruptura Elongetlon 61 i MPa = i /md i) May be sub-zero treated at -8006 p) Optional test i), 41, see line 98. . I w &%h-M%)- AECMA PREN2030 77 9 1012313 0003743 13 9 Copyright Association Europeene de
4、s Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AECMA PREN2030 77 1012311 0001750 4 W 1 Condit ion and Heat treatment reference Mic PO s t ruc t Ure 3eslgnation Jotst I i n c Hardened a
5、nd tempered lO5O“C i 10C / OQ , Sub-zero to - 80C then Temper 150“ -t 5OC Carbides shall be fine and non-aligned :. I Y,. ._. 3) For greater diameters the manufacturer and user shall agree minimum hardness values. 41 Method to be used in case of conflict o r- Bearings Copyright Association Europeene des Constructeurs de Materiel Aerospatial Provided by IHS under license with AECMANot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
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