Process for producing AlMn strip or sheet

The invention relates to a method for the manufacture of a part of the method for AlMn tape or sheet by the brazing layer. Based on the method of the invention, the added raw material by melting system, comprising (according to wt.%) Si: 0.3-1.2%, Fe: ≤0.5%, Cu: ≤0.1%, Mn: 1.0-1.8%, Mg: ≤0.3%, Cr+Zr: 0.05-0.4%, Zn: ≤0.1%, Ti: ≤0.1%, Sn: ≤0.15%, and inevitable associated mineral, wherein at least one of equal to 0.05% maximum, a total content maximum is 0.15%, and rest is composed of the aluminium. The raw material is lower than 520℃ pre-heating temperature, preheating to the time or the combination of 12 hours. A hot rolling of of the raw material is pre-heating the hot rolling belt, and final rolling temperature is at least 250℃, comprising a cold rolling belt the hot rolling belt cold rolling, wherein of the intermediate annealing. Method of the invention is about economically the top of the material layer of the brazing layer, and high yield and point excellent corrosion of aluminium plate.