Ganghua Steel focuses on the R&D and manufacturing of aluminum materials!
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Classification:
1. According to the content of alloying elements, aluminum sheets can be divided into: 1××× series is industrial pure aluminum (Al), 2××× series is aluminum-copper alloy aluminum plate (Al--Cu), 3××× series is aluminum Manganese alloy aluminum plate (Al--Mn), 4××× series is aluminum-silicon alloy aluminum plate (Al--Si), 5××× series is aluminum-magnesium alloy aluminum plate (Al--Mg), 6××× series is Aluminum-magnesium-silicon alloy aluminum plate (AL--Mg--Si), 7××× series is aluminum-zinc alloy aluminum plate [AL--Zn--Mg--(Cu)], 8××× series is aluminum and other elements .
2. According to the shape, it can be divided into: round aluminum rod, square aluminum rod, hexagonal aluminum rod, trapezoidal aluminum rod, etc.
Series | Represent | Features |
1000 series | 1050, 1060, 1100 | Among all the series, the 1000 series belongs to the series with the most aluminum content. |
2000 series | 2A16（LY16）2A02（LY6） | 2000 series aluminum bars are characterized by high hardness, among which the copper content is the highest, about 3-5%. The main uses of 2024 aluminum bars: aircraft structures, rivets, truck hubs, propeller assemblies and various other structural parts. |
3000 series | 3003, 3A21 | 3000 series aluminum bars are mainly composed of manganese. The content is between 1.0-1.5, which is a series with better anti-rust function. |
4000 series | 4A01 | 4000 series aluminum bars belong to the series with higher silicon content. It belongs to building materials, mechanical parts, forging materials, welding materials. |
5000 series | 5052, 5005, 5083, 5A05 | The main features are low density, high tensile strength and high elongation. |
6000 series | 6061, 6063 | It mainly contains magnesium and silicon and is suitable for applications requiring high corrosion resistance and oxidation resistance. Good workability, easy to coat, and good workability. |
7000 series | 7075 | It is an aluminum-magnesium-zinc-copper alloy, a heat-treatable alloy, a super-hard aluminum alloy with good wear resistance. |
Common aluminum bar applications:
Widely used in: aircraft structures, rivets, missile components, truck hubs, propeller components and other structural parts.
The industries with the most applications are the construction and automotive transportation industries
Transportation: Aluminum rods are used as materials for body structural parts of automobiles, subway vehicles, railway passenger cars, high-speed passenger cars, doors and windows, shelves, automobile engine parts, air conditioners, radiators, and body panels
Building decoration: Because of its good corrosion resistance, sufficient strength, excellent process performance and welding performance, it is widely used in building frames, doors and windows, ceilings, decorative surfaces, etc.
Production process of extruded aluminum rod:
1. Casting process
The ultimate goal of the melting and casting process is to produce aluminum rods that meet the requirements, and the following processes are required to produce these aluminum rods:
Smelting - casting - sawing bar - aluminum bar homogenization - cooling, washing bar - aluminum bar into the warehouse
2. Extrusion process
Preparation before pressing - extrusion - stretching and straightening - sawing finished product - framing and trimming
3. Aging process
6061-T6 condition: Cooled after solution heat treatment to achieve high strength. No cold working.
6062-T6511 condition: Cooled after solution heat treatment to achieve high strength, and then corrected and straightened.
6061-T651 state: After solution heat treatment, it is cooled to achieve high strength. Then it is cold stretched by a stretching machine to eliminate the residual internal stress after heat treatment, so that it will not deform after further processing, so as to ensure the precision of machined products.
