5052 aluminum alloy machining

5052 aluminum alloy belongs to the Al-Mg alloy, which is widely used, has good corrosion resistance, excellent weldability, good cold workability, and has medium strength.

5052 aluminum alloy characteristics

5052 aluminum alloy is the most widely used anti-rust aluminum. This alloy has high strength, especially fatigue resistance: high plasticity and corrosion resistance, cannot be strengthened by heat treatment, and has good plasticity during semi-cold work hardening , Low plasticity during cold work hardening, good corrosion resistance, good weldability, poor machinability, and polishable.

5052 aluminum alloy parameters

Material grade tensile strength Elongation at break Yield Point density tensile modulus Thermal Conductivity
5052 Aluminum Alloy 193 MPa 30 % 89.6 MPa 2.68 g/cc 70.3 GPa 138 W/m-K

5052 aluminum alloy composition

5052 aluminum plate is an AL-Mg series alloy aluminum plate. Magnesium is the main alloying element in 5052 alloy aluminum plate and is the most widely used anti-rust aluminum. This alloy has high strength, especially fatigue resistance.


Except for a small amount of solid solution, most of the manganese in the alloy forms MnAl6. In the 5052 aluminum plate, the role of chromium is similar to that of manganese, which improves the resistance to stress corrosion cracking, improves the strength of the base metal and the weld, and reduces the tendency of welding cracks, but its content generally does not exceed 0.35%.

Al Cu Mn Mg Zn Cr Si Fe
margin ≤0.10 ≤0.10 2.2~2.8 ≤0.10 0.15~0.35 ≤0.25 ≤0.40

5052 aluminum alloy process performance


①The alloy has good plasticity in hot state. The forging and die forging temperature is 420~475°C, and the hot deformation with the deformation rate > 80% is carried out in this temperature range.

②The cold stamping performance is related to the alloy state. The cold stamping performance of the annealed (O) state is good, followed by the H32 and H34 states, and the H36/H38 state is not good.

(2) Welding performance

①The alloy has good performance in gas welding, arc welding, resistance welding, spot welding and seam welding, and there is a tendency of crystallization cracks during argon arc welding. The brazing performance is good, but the soft brazing performance is poor.

②The strength and plasticity of the weld are high, and the strength of the weld reaches 90% to 95% of the strength of the base metal. However, the air tightness of the weld is not high. It is recommended to use 5A03 alloy as the solder, which can improve its air tightness and eliminate the tendency of cracks.

⑶Machining performance

The machinability of the alloy is not good in the annealed state, but improved in the cold work hardened state. .

Application of 5052 aluminum alloy

Used in the manufacture of aircraft fuel tanks, fuel pipes, and sheet metal parts for transportation vehicles and ships, instruments, street lamp brackets and rivets, hardware products, electrical-appliance casings, etc.

Used for low-load parts that require high plasticity and good weldability, working in liquid or gas media, such as fuel tanks, gasoline or lubricating oil conduits, various liquid containers and other small-load parts made by deep drawing : Wire is used to make rivets.

Related materials |  2A12 aluminum |  5052 aluminum |  5083 aluminum  |  6061 aluminum  |  7075 aluminum  |  7050 aluminum