What Are Aluminum Alloys

Rising Dragon Stainless Steel Company introduces to you the characteristics of aluminum alloy:

An alloy based on aluminum with a certain amount of other alloying elements added is one of the light metal materials. In addition to the general properties of aluminum, aluminum alloys also have some specific properties of alloys due to the different types and quantities of added alloying elements. The density of aluminum alloy is 2.63~2.85g/cm3, it has high strength (σb is 110~650MPa), the specific strength is close to high alloy steel, the specific stiffness exceeds steel, it has good casting performance and plastic processing performance, and good electrical conductivity , thermal conductivity, good corrosion resistance and weldability, can be used as structural materials, and are widely used in aerospace, aviation, transportation, construction, electromechanical, light weight and daily necessities.

Aluminum alloys are divided into deformed aluminum alloys and cast aluminum alloys according to their composition and processing methods. Deformed aluminum alloy is made by first melting and casting the alloy ingredients into ingots, and then plastically deforming them. Various plastically processed products are made through rolling, extrusion, stretching, forging and other methods. Cast aluminum alloy is made by melting the ingredients and directly casting them into various parts and components using sand molds, iron molds, investment molds and die-casting methods.

Deformation

Deformed aluminum alloys are semi-finished aluminum alloys such as tubes, rods, wires, and shapes made by various pressure processing methods. According to its use, it can be divided into five categories: anti-corrosion aluminum alloy, super hard aluminum, special aluminum, hard aluminum and forged aluminum.

The main alloying elements in commonly used anti-rust aluminum alloys are manganese and magnesium. Adding manganese can improve its corrosion resistance, and adding magnesium can strengthen it and reduce its specific gravity. It is characterized by corrosion resistance, good polishability, and can maintain a bright surface for a long time. It is stronger than pure aluminum and is mostly used to manufacture parts, pipes, daily necessities, decorations, etc. that are in contact with liquids; Duralumin, also known as duralumin, is an alloy of aluminum, copper, and magnesium, and contains a small amount of manganese. Copper and magnesium have greater solubility in aluminum and have a strengthening effect, and manganese makes it corrosion resistant. Duralumin can be used to manufacture rivets, aircraft propellers and high-strength parts on aircraft depending on the content of its alloy elements; superduralumin is a duralumin containing zinc, and its hardness and strength are higher than duralumin. Different varieties of superduralumin It is used to manufacture various structural parts and high-load parts, and is one of the important materials in the aviation industry. Forged aluminum has high plasticity and strength under normal conditions, and is used to manufacture various forgings or stamping parts, such as internal combustion engine pistons, etc.; Special aluminum is used in specific situations and has different compositions and uses.

The main alloying elements in commonly used anti-rust aluminum alloys are manganese and magnesium. Adding manganese can improve its corrosion resistance, and adding magnesium can strengthen it and reduce its specific gravity. It is characterized by corrosion resistance, good polishability, and can maintain a bright surface for a long time. It is stronger than pure aluminum and is mostly used to manufacture parts, pipes, daily necessities, decorations, etc. that are in contact with liquids; Duralumin, also known as duralumin, is an alloy of aluminum, copper, and magnesium, and contains a small amount of manganese. Copper and magnesium have greater solubility in aluminum and have a strengthening effect, and manganese makes it corrosion resistant. Duralumin can be used to manufacture rivets, aircraft propellers and high-strength parts on aircraft depending on the content of its alloy elements; superduralumin is a duralumin containing zinc, and its hardness and strength are higher than duralumin. Different varieties of superduralumin It is used to manufacture various structural parts and high-load parts, and is one of the important materials in the aviation industry. Forged aluminum has high plasticity and strength under normal conditions, and is used to manufacture various forgings or stamping parts, such as internal combustion engine pistons, etc.; Special aluminum is used in specific situations and has different compositions and uses.

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