Classification of Aluminium Alloy Extrusion Profiles
The application of profiles adds a lot of beauty to the building. In the past, wooden doors and windows were used. In order to achieve harmony between the doors and windows and the appearance of the building, paint was sprayed on the surface of the doors and windows. The paint is easily aged and peeled off when exposed to ultraviolet rays. It will change beyond recognition within a few years, which is very inconsistent with the life of the building. Later, aluminum alloy doors and windows were invented, but the price was expensive and ordinary consumers could not afford it. Aluminum alloy profiles can even make fake woodgrain effects, and the shelf life of indoor use can be as long as 15-20 years.
By Production Method
According to the production method, aluminum alloy profiles can be divided into extruded profiles, hot-rolled profiles, cold-formed profiles, cold-rolled profiles, cold-drawn profiles, forged profiles, hot-formed profiles, welded profiles, and rolled profiles.
Classification By Department of Use
Aluminum alloy profiles are classified according to the used sector as railway profiles (rails, fishplates, turnout rails, wheels, tires), automotive profiles (rims, tire retaining rings, and lock rings), shipbuilding profiles (L-shaped steel, ball Flat steel, Z-shaped steel, marine window frame steel), structural and architectural profiles (H-beam, I-beam, channel steel, angle steel, crane rail, window, and door frame materials), special profiles for machinery manufacturing, etc.
Classified By Section Size
Aluminum alloy profiles can be divided into large, medium, and small profiles according to the section size, which is often classified according to their suitability for rolling on large, medium, and small rolling mills respectively. There is also a method of distinguishing by single weight (kg/m). It is generally believed that the single weight below 5 kg/m is a small profile, the single weight between 5 and 20 kg/m is a medium profile, and the single weight over 20 kg/m is a large profile.
Classification By Section Characteristics
Aluminum alloy profiles can be divided into simple section profiles and complex section profiles according to their cross-sectional shapes. The cross-section of the simple section profile is symmetrical, the shape is relatively uniform and simple, such as round steel, wire rod, square steel, and shovel steel. The complex section profile, also known as the special-shaped section profile, is characterized in that the cross-section has obvious convex and concave branches. Therefore, it can be further divided into flange profiles, multi-step profiles, wide and thin profiles, locally processed profiles, irregular curve profiles, composite profiles, periodic section profiles, metal wires, etc.
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