6063 aluminum alloy is widely used in the construction of aluminum doors, windows and curtain walls. In order to ensure that doors, windows and curtain walls have high wind pressure resistance, assembly performance, corrosion resistance and decorative properties, the comprehensive performance requirements of aluminum alloy profiles are much higher than that of industry. Profile standards. Within the 6063 aluminum alloy composition range specified in the national standard GB/T3190, the value of the chemical composition will be different, and different material characteristics will be obtained. When the range of the chemical composition is large, the performance difference will fluctuate within a large range , So that the overall performance of the profile can not be controlled.
6063 aluminum alloy profiles are widely used in building profiles, irrigation pipes, vehicles, benches, and furniture due to their good plasticity, moderate heat treatment strength, good welding performance, and gorgeous color on the surface after anodizing. , Tubes, rods, profiles for elevators, fences, etc.
Tensile strength σb (MPa): ≥205
Conditional yield strength σ0.2 (MPa): ≥170
Elongation δ5 (%): ≥9
The chemical composition of 6063 aluminum alloy is as follows:
Aluminum casting refers to pure aluminum or aluminum alloy equipment obtained by casting processing. Generally, aluminum or aluminum alloy heated to liquid state is poured into the mold cavity by using a sand mold or a metal mold, and the aluminum parts or aluminum alloy parts of various shapes and sizes obtained are generally called aluminum die castings.
The density of cast aluminum alloy is smaller than that of cast iron and cast steel, and the specific strength is higher. Therefore, the use of aluminum alloy castings under the same load conditions can reduce the weight of the structure, so aluminum alloy castings are widely used in the aviation industry and the manufacture of power machinery and transportation machinery. Aluminum alloy has good surface gloss and good corrosion resistance in the atmosphere and fresh water, so it has a wide range of uses in the manufacture of civilian utensils. Pure aluminum has good corrosion resistance in oxidizing acid media such as nitric acid and acetic acid, so aluminum castings also have certain uses in the chemical industry. Pure aluminum and aluminum alloys have good thermal conductivity, heat exchange devices used in chemical production, and parts requiring good thermal conductivity on power machinery, such as cylinder heads and pistons of internal combustion engines, are also suitable for aluminum alloys. manufacture.
Aluminum alloy has good casting properties. Due to the low melting point (the melting point of pure aluminum is 660.230C, the casting temperature of aluminum alloy is generally about 730 ~ 750oC), so it can be widely used casting methods such as metal mold and pressure casting to improve the inherent quality, dimensional accuracy and surface of the casting Smoothness and production efficiency. Due to the large latent heat of solidification of aluminum alloys, under the same weight conditions, the solidification process of aluminum liquid lasts much longer than that of cast steel and cast iron, and it has good fluidity, which is beneficial for casting thin-walled and complex structure castings.
Cast aluminum alloy castings have many advantages, making it one of the most popular casting products for the development direction of the casting industry and purchasing customers. In the future, with the progress of aluminum alloy casting technology, it will show its own on a larger stage Style.
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