Al-Mg alloy is the most widely used wrought aluminum alloy. It is characterized by excellent resistance to marine climate and seawater corrosion, weldability and polishability, excellent plasticity (Mg≤5%), and good shock resistance. Aluminum 5059 is a kind of 5000 series aluminum-magnesium alloy with excellent comprehensive performance.
5059 aluminum sheet has low density and high tensile strength, which is higher than that of low-carbon steel. It has high plasticity, corrosion resistance, good weldability, and low cracking tendency. With its own unique advantages, it is widely used in the manufacturing of special tankers for petrochemical and other dangerous products. Its typical width for tank body/cylinder and bulk head/cleaning plate: 1500/1600/1800/2000/2200/2400mm.
It is also used for semi trailer whose axle is placed behind the vehicle's center of gravity (when the vehicle is evenly loaded) and is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. The aluminum alloy semi-trailer is generally a three-axle semi-trailer, which is a heavy-duty transportation vehicle connected to the aluminum alloy semi-trailer head through the traction pin. The use of 5059 alloy can effectively realize the overall lightweight of the vehicle.
Since 5059 aluminum alloy has strong resistance to seawater and marine climate corrosion and good welding performance, it is often used in marine engineering, and the alloy can be used in ships from small boats to thousands of tons of ships and cruise ships.
5059 aluminum alloy is a new type of high-magnesium aluminum alloy registered by Corus Company in Germany in 1999. It is mainly used for structural parts of ships, spacecraft, rockets, etc. 5059H131 and 5059H136 aluminum alloys have better elastic resistance, mechanical properties and corrosion resistance than 5083H131, 5083H136, 2519T87 and 7039 aluminum alloys.
5059 aluminum sheet transportation contains many types and high content of elements, and it is easy to form a variety of complex non-equilibrium intermetallic phases during solidification and the elimination of these complex non-equilibrium intermetallic phases depends on atomic diffusion kinetics. Calculation by the homogenization kinetic equation shows that the homogenization time of the alloy is 18.9 h.
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