AECMA PREN 2230-1977 Steel FE-PA12 730 MPa Less Than or Equal to Rm Less Than or Equal to 960 MPa Tubes For Structures 0.5 mm Less Than or Equal to a Less Than or Equal to 3 mm Aer.pdf

1、4 u -4 I - .e e A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM DRAFT prEN2230 Edition 1 October 1077 ENGLISH VERSION STEEL FE-PAI2 730 MPa , 60 1 In prepar tion. $1 value P n brackets for strip test pieces. ption i tctst -. i050 OC i 25 OC/UQ. For a 2,s mm : .(= 180 , r = 2,5 D . As recorded i

2、n the inspection schedule. .I. r : Y,“ I i *I . L . .! , _L , .* P ,i : I I IP 4.) Welding not followed by an appropriate heat treatmerd; . can result in intercrystalline corrosion. _- .“ . Corrpsion reaiskni steel; restricted weldabi1i)y 41 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-,-,-