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3A21 Aluminum Sheet/Coil
1

3A21 Aluminum Sheet/Coil

3A21 aluminum sheet is mainly used for applications which requiring higher plasticity and good weldability, such as aerospace, military equipment, fixtures, automotive, transportation, production of propellant tank, welded structure pods skin, end frames, frame and other welding members, as well as catheters and other members which work in corrosive media.

  • Higher plasticity after annealing

  • Good corrosion resistance

  • Weldability

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Introduction

Properties of 3A21 Aluminum Sheet/Coil


3A21 aluminum alloy（Al-Mn）is an anti-rust aluminum which has a wildly application, the strength is not very high (only higher than industrial aluminum), and cannot be heat treated, so cold working method is usually used to improve their mechanical properties. It has a higher plasticity after annealing and it is better than in the semi-cold hardening. When it is cold-hardening, the plasticity and machinability are low, but it has good corrosion resistance and weldability.




Alloy

Temper

Thickness(mm)

Width(mm)

Length(mm)

Typical Products

3A21 Aluminum Sheet/Coil

O,H12,H14,H16
  H18,H19,H22,H24
  H26,H28,H32,H34
  H36,H38

0.2-4.5

100-2600

500-16000

Body Skin, Ceiling, Floor and Other




Features and Applications of 3A21 Aluminum Sheet/Coil


3A21 aluminum sheet is mainly used for applications which requiring higher plasticity and good weldability, such as aerospace, military equipment, fixtures, automotive, transportation, production of propellant tank, welded structure pods skin, end frames, frame and other welding members, as well as catheters and other members which work in corrosive media.

Strength of Zhongxin Aluminum


Technologies:Top polishing technology guarantees good luster and smooth surface.

Markets:Obtain market sharing all over the world.

Equipment:Advanced cutting line to provide a wide range of specifications.

Production capacity:300, 000 tons annually in total.

Employees:Over 25 sale persons to provide good service for customers.

Responsibility: Engaged in charity donation and provide eco-friendly products.


Packaging and Delivery


Aluminum products of Zhongxin meet the export standard. Plastic film and brown paper can be covered at customers’ need. What’s more, wooden case or wooden pallet is adopted to protect products from damage during the delivery. There are two kinds of packaging, which is eye to wall or eye to sky. Customers can choose either of them for their convenience. Generally speaking, there are 2 tons in one package, and loading 18-22 tons in 1×20′ container, and 20-24 tons in 1×40′ container.

  • Wooden Cases

    Wooden Cases

  • Wooden Pallets- Eye To Wall

    Wooden Pallets- Eye To Wall

  • Wooden Pallets

    Wooden Pallets

  • Wooden Pallets- Eye To Sky

    Wooden Pallets- Eye To Sky

Market

3A21 aluminum sheet is mainly used for applications which requiring higher plasticity and good weldability, such as aerospace, military equipment, fixtures, automotive, transportation, production of propellant tank, welded structure pods skin, end frames, frame and other welding members, as well as catheters and other members which work in corrosive media.

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