3A21 aluminum sheet for air conditioning ventilation duct

3A21 aluminum sheet belongs to Al Mn alloy, with good corrosion resistance, good weldability and poor machinability. Scope of application: The product is often used in the wet environment such as outer packaging, mechanical parts, refrigerators, air conditioning and ventilation ducts, and has good rust resistance.

Performance advantages of Mingtai Aluminum 3A21 aluminum sheet

1. High fatigue strength, shear strength and elongation.

2. 3A21 aluminum sheet has corrosion resistance and can adapt to humid environment.

3. The board surface shall be neat without concave and convex points, bright spots, scratches and other defects.

4. Strong corrosion resistance and stress corrosion cracking ability.

Packaging and delivery

1. Paper clamping or film covering shall be carried out on the aluminum plate to ensure that the aluminum plate surface is intact without scratches;

2. Plastic or kraft paper wrapping is used for moisture-proof and rainproof to ensure that the aluminum plate is clean and free of dirt during transportation (each package is provided with moisture-proof desiccant to ensure the product quality of our products in East China and South China where there is much rain);

3. Wooden pallet is added and reinforced with steel strip to avoid collision during transportation and ensure the geometric shape of aluminum plate remains unchanged;

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

5. Packaging according to other packaging requirements of customers;

3A21 aluminum sheet manufacturer - Henan Mingtai Aluminum

1. Large scale. Mingtai Aluminum has four production bases, with a total production base area of more than 1.3 million square meters, an annual production capacity of 1.4 million tons, and 7-35 days of delivery to meet your production needs.

2. The raw materials are reliable. Mingtai selects reliable large suppliers to purchase key raw materials and control product quality from the source.

3. Advanced equipment. It has more than 20 production lines and more than 60 large-scale processing equipment independently developed in Germany, South Korea, Italy, 1+1 "hot rolling production line and (1+4) hot continuous rolling production line.

4. Strong technology. A team of 313 technical experts independently developed the "1+4" hot continuous rolling production line.

5. The quality inspection is strict. Implement the 6S management system, carry out quality inspection at all levels on the production line, strictly control the production process, and ensure high product qualification rate.