2A12 aluminum plate is a kind of high-strength duralumin, which can be strengthened by heat treatment. It has moderate plasticity in annealed, hard-quenched and hot conditions. It has good spot weldability. It has a tendency to form intergranular cracks when using gas welding and argon arc welding; The machinability is good after quenching and cold work hardening, but it is not good in the annealed state.

The corrosion resistance of 2A12 aluminum plate is not high. Anodizing and painting methods are often used, or the surface is coated with aluminum layer to improve the corrosion resistance.
2A12 aluminum plate is commonly used in aircraft structures (skins, skeletons, ribs, bulkheads, etc.), rivets, missile components, truck wheel hubs, propeller components and various other structural parts.

Internationally, aluminum materials with a thickness of 0.2mm or more, 500mm or less, 200mm width or more, and a length of 16m or less are called aluminum plates or aluminum sheets, aluminum foils below 0.2mm, and rows or strips within 200mm width ( Of course, with the advancement of large equipment, 2A12 aluminum plate is now the widest can be 600mm row material is more).

The following is: the theoretical calculation formula of aluminum tube, aluminum plate and aluminum rod. (Note: There is an error with the actual weight)
Aluminum plate weight (kg)=0.00271×thickness×width×length
Aluminum tube weight (kg) = 0.00879 × wall thickness × (outer diameter-wall thickness) × length
The formula for calculating the weight of aluminum rod (kg)=0.0022×diameter×diameter×length