1、e L Approved by COMITE DE NORMALISATION of A.E.C.M.A. 1982-07-26 AECMA PREN2337 83 W LOL23L1 00027bll b I . - The equivalent versions in French and German languages can be supplied by B.NA.E., 8, rue Moreau-Vauthier 92100 BOULOGNE-BILLANCOURT - FRANCE. A.E .C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A
2、. NORM prEN2339 Edition 1 January 1983 ENGLISH VERSION SHEETS, TITANIUM AND TITANIUM ALLOYS COLD ROLLED THICKNESS 0,2 mm 1000 This standard specifies the dimensions and tolerances of titanium and titanium alloy cold rolled sheets, used in aerospace construction. 2 REFERENCES EN2098-1 , Inspection an
3、d testing requirements for titanium and heat resisting alloy wrought EN2098-2 , Inspection and testing requirements for titanium and heat resisting alloy wrought products - Part 1 : General requirements products - Part 2 : Inspection and testing requirements for sheets, strips and plates. 3 MATERIAL
4、S The materials are defined in the material standards. 4 REQUIRED CHARACTERISTICS 4.1 Preferred dimensions See table 1. Thickness a O .4 _I_ O .8 i ,4 _-.- 2 .o TABLE 1 Dimensions in millimetres Tolerances on 5 0,06 i I. I I i To be _+ 0,08 _I_-.- ; agreed ! -6 manufacturer O between i t 0,lO - -I 0
5、,12 I k 0,13 i and 1 purchaser i i * Calculated on the basis of density of 4,5 kg/cm3 I I I 0.90 I 2,25 I i 2.70 i -t 6.30 ! i i ! 720 i I-W- i 9 .o0 - .-. -. - AECMA PREN2333 83 LOL23LL 00027b7 L T- - prEN2339 Page 4 4.2 Geometrical tolerances of form 4.2.1 Squareness See table 2. The tolerance on
6、squareness is taken as being the difference in length of the diagonals I AC - BD I (see figure 1). I FIGURE 1 TABLE 2 Dimensions in millimetres Thickness Length I a I 5000 0,6 mm thick Material Pure titanium 1% 5% 3% I Titanium alloy 1 1,5 % 5% 3% I I I l I I prEN2339 Page 5 5 DESIGNATION The design
7、ation of sheets defined in this standard may include the following elements : name, number of material standard , dimensions ( Thickness, width, length ) : number of dimensional standard . 6 TECHNICAL SPECIFICATION Sheets supplied to this standard shall conform with the requirements of EN2098-1 and EN2098-2.
