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        3A21Aluminum plate

        Product consultation

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        Product introduction

        3A21 aluminum plate is Al-Mn alloy. 3A21 aluminum plate is a kind of widely used antirust aluminum. It has excellent corrosion resistance, good corrosion stability of welding seam and corrosion resistance of matrix metal. Electrode potential is the same as electrode potential of solid solution. Cold processing method is often used to improve its mechanical properties. It is high in annealing state. The plasticity is better in semi cold hardening.

        Technical parameter

        典型合金

        3A21铝板

        材料状态

        O、F、H12、H14、H16

        H18、H19、H22、H24

        H26、H28、H32、H34

        H36、H38

        厚度(mm

        0.2-150

        宽度(mm

        500-2500

        长度(mm

        500-10000

        典型产品

        飞机油箱、油路导管、车体蒙皮、顶板等


        2024铝板,2系军工用铝,2024铝合金价格,大型上市铝加工企业-河南明泰铝业股份有限公司.png


        The packing method of aluminum plate:

        1. Foil or laminating the aluminum sheet to ensure that the surface of the aluminum sheet is intact without scratching.

        2, the plastic or kraft paper package is used to prevent moisture and rain, to ensure that the aluminum plate is clean and free of dirt during the transportation process (each package has moistureproof desiccant to ensure the quality of our products in East China and Southern China).

        3, add wooden support and steel belt reinforcement to avoid collision in transportation process and ensure aluminum plate geometry unchanged.

        4. Export products are packed in wooden boxes and brackets with fumigation marks.

        5, packaging according to other packaging requirements of customers.

        The packing method of the strip:

        1. When the width of the strip is not larger than 500mm and the coil diameter is not greater than 500mm, after wrapping 1~2 layers of kraft paper outside, it will be packed with adhesive label.

        2, when the width of the strip is not more than 500mm and the roll diameter is more than 500mm, the outer layer is wrapped with bamboo sheet, fiber board or cardboard after wrapping 1~2 layers of kraft paper and a layer of plastic cloth, and the vertical or horizontal tray is packaged in series, and the vertical (or lying) tray is used.

        3, when the width of the strip is greater than 500mm and the roll diameter is more than 500mm, the 1~2 layers of kraft paper and a layer of plastic cloth are wrapped, and the outer layer is packed with a bamboo mat, or the fiberboard is wrapped by a vertical or horizontal tray frame.


        Product application

        3A21 aluminum sheet has good properties such as light weight, corrosion resistance, low temperature resistance and easy processing. It is mainly used for the workpiece with certain requirements for welding and alloy strength, such as aircraft oil tank, oil Road tube, car body skin, roof pressure plate, aluminum alloy plate and strip for bottle cap, refrigerator and refrigerator, electric cooker and other containers and other small load parts, riveting nails, wire rod and so on.


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