5154 Aluminum Alloy Welding Wire

5154 aluminum alloy welding wire is a welding material commonly used for aluminum and aluminum alloy welding. It has corrosion resistance and strength and is suitable for welding in marine environments and high-strength structures. Its main application areas include shipbuilding, chemical equipment, construction engineering and aerospace.

Product Features

Alloy composition:
Main components: High magnesium (Mg) content, usually between 3.0%-5.0%. The core components of 5154 aluminum alloy welding wire are aluminum, magnesium and a small amount of silicon, iron, copper and other elements. The proportion of these elements determines its strength, toughness and corrosion resistance.
Alloying characteristics: The high magnesium content makes the welded metal have good corrosion resistance, especially in seawater environment.

Mechanical properties:
High strength, good tensile strength and yield strength.
The strength of the welded joint is close to that of the parent material, which can meet the needs of high-load environments.
It has good fatigue resistance after welding, especially for structures requiring high strength.

Welding performance:
Good weldability, suitable for conventional welding processes such as MIG (gas shielded metal arc welding) and TIG (tungsten inert gas arc welding). There is less spatter during welding, the welding process is smooth and easy to operate.
The surface of the welded joint is smooth and the weld is well formed.

Corrosion resistance:
It has excellent resistance to salt water and atmospheric corrosion, and is particularly suitable for welding operations in marine environments.
It can also show good corrosion resistance in acidic and alkaline environments.

Chemical composition (in wt%):

Aluminum (Al): balance
Magnesium (Mg): 3.0-5.0%
Silicon (Si): ≤0.30%
Copper (Cu): ≤0.10%
Iron (Fe): ≤0.40%
Manganese (Mn): ≤0.20%
Titanium (Ti): ≤0.15%

Mechanical properties (under standard conditions):

Tensile strength: 250-310 MPa
Yield strength: ≥ 180 MPa
Elongation: ≥ 10-12%
Hardness: 60-75 HB (Brinell hardness)

Welding process parameters:

Welding current: DC power supply, welding current range is usually 120-220 A (depending on welding process and material thickness).
Shielding gas: pure argon or a mixture of argon and a small amount of helium.
Welding position: suitable for various welding positions such as flat welding, vertical welding and horizontal welding.

Heat-affected zone:

Due to its good thermal conductivity, the heat-affected zone generated by 5154 welding wire during welding is small, which can effectively reduce the generation of thermal cracks.

Scope of application/scenario

Shipbuilding and maintenance:
Since the surface of aluminum alloy in the marine environment is prone to corrosion, 5154 aluminum alloy welding wire is very suitable for welding hulls and ship equipment.
It is mainly used in high-strength and corrosion-resistant structural parts such as hull structures, ship external frames, and platforms.

Marine engineering:
In offshore oil and gas platforms, wind power platforms and other projects, 5154 aluminum alloy welding wire is widely used for welding steel structures and aluminum alloy parts to ensure corrosion resistance and structural strength.

Automobiles and vehicles:
5154 aluminum alloy welding wire is often used for welding aluminum alloy parts such as automobiles, trucks, and rail transportation, such as car bodies, aluminum alloy frames, engine parts, etc., which can improve welding strength and enhance corrosion resistance.

Aerospace:
In aircraft and spacecraft manufacturing, 5154 welding wire is used to weld aluminum alloy parts such as wings, fuselages and other key structural parts to ensure structural safety and durability.

Chemical Equipment:
In chemical equipment, especially equipment involving the transportation and storage of acids, alkalis and corrosive liquids, the corrosion resistance of 5154 aluminum alloy welding wire makes it an ideal choice.