1、A.E.C.M.A. STANDARD NORME A.E.C.M.A. A.E.C.M.A. NORM Approved by COMITE DE NORMALISATION of A.E.C.M.A. 1987-02-01 prEN2070 Part 5 Edition 1 February 1987 The equivalent versions in French and German languages can be supplied by B.Nhe tubes in each. . batch l9 Flattening test All products Flattening
2、EN2002-1 O Obtained through bridge die extrusion or multi hole die Drift EN2002-9 1 test per tube EN 2 O O 2 - 9 At one end onlO% of he drawn lengths of tube in the batch All products Drift H.*) Obtained through any ither nrocess At one end onlO% of the heat treated tub.es in the batch Drift EN2002-
3、9 T,*l i o- Hydraulic pressure deformation test Pressure 11 Ail products Pressure EN2002-18 1 test per batch 12.1 Each tube of the batch All products Pressure Eddy current Macrographic EN2002-17 EN2002-20 - All products Each tube of the batch See clause 13 All products EN2002.8 Grain site Interior cleanliness inspection All products Micrographic See clause 14 See clause 15 See clause 17 All products Cloth test I l7 Marking All products Visual 1 U Aluniinum Association designation