Which corrosion resistant aluminum bars 2A12 and LF21?
It is mainly used for high plasticity and good weldability, low load parts, working in a liquid or gaseous medium such as mail, gasoline or lubricating oil duct, various liquid containers and other small parts deep drawing load produced: wire used for rivets, widely used in kitchen utensils, food and chemical products processing and a storage device, transport of liquid product tank, tank, vessel and pipeline, with all kinds of pressure plate processing of heat exchanger, rivets, welding wire, washing machine cylinder e
Mainly used in the manufacture of a variety of high load parts and components (but excluding stamping parts, forgings), such as aircraft skeleton parts, skin, bulkhead, wing ribs, wing beams, rivets and other parts below 150 degrees celsius.LF21 AL-Mn system is a kind of antirust aluminum alloy, the most widely used, the strength of the alloy is not high (slightly higher than that of pure aluminum), can be strengthened by heat treatment, so the use of cold processing methods to improve its mechanical properties in annealing state have high plasticity, in the semi cold hardening plastic is good, when the low plasticity of cold hardening, good corrosion resistance, good weldability, poor machinability. tc.
LF21 aluminum rods are more corrosion resistant.2A12 Aluminum Alloy is a kind of high strength aluminum, heat treatment can be enhanced; 2A12 Aluminum Alloy good spot welding, gas welding and argon arc welding has the tendency of intergranular crack formation; 2A12 Aluminum Alloy hardening in the cold after the cutting performance is good. The corrosion resistance is not high, in order to improve the corrosion resistance of anodic oxidation treatment and often used methods of paint or aluminum surface layer.
