Dom Aluminum Tubing: Properties And Applications
Material Overview
Dom aluminum tubing, also known as Drawn Over Mandrel (DOM) aluminum tubing, is a specialized type of aluminum tubing that undergoes a unique manufacturing process. This process involves drawing the aluminum tube over a mandrel to enhance its dimensional accuracy, surface finish, and mechanical properties. aluminum DOM tubing is widely used in various industries due to its excellent strength-to-weight ratio, corrosion resistance, and versatility.
Specification
Aluminum DOM tubing is available in a wide range of specifications to meet different application requirements. The following are some common specifications:
| Specification | Values |
| Outer Diameter | 6 mm to 150 mm |
| Wall Thickness | 1 mm to 20 mm |
| Length | Customizable |
| Temper | T4, T6, T651, etc. |
Chemical Composition
The chemical composition of aluminum DOM tubing typically conforms to the following ranges:
| Alloying Element | Composition Range (%) |
| Aluminum (Al) | 95.8 - 99.5 |
| Magnesium (Mg) | 0.3 - 1.2 |
| Silicon (Si) | 0.20 - 0.60 |
| Iron (Fe) | 0.0 - 0.35 |
| Copper (Cu) | 0.0 - 0.10 |
| Manganese (Mn) | 0.0 - 0.10 |
| Zinc (Zn) | 0.0 - 0.10 |
| Titanium (Ti) | 0.0 - 0.10 |
| Others | 0.0 - 0.15 |
Mechanical Properties
The mechanical properties of aluminum DOM tubing can vary depending on the alloy and temper. Below are the typical mechanical properties of a common grade:
| Property | Value |
| Tensile Strength | 250 MPa - 350 MPa |
| Yield Strength | 200 MPa - 280 MPa |
| Elongation | 12% - 25% |
| Hardness (HV) | 70 - 110 |
| Modulus of Elasticity | 70 GPa - 80 GPa |
Steel Grade
aluminum DOM tubing is not categorized by traditional steel grades. Instead, it is identified by its aluminum alloy and temper designation, such as 6061-T6 or 7075-T651.
Application
aluminum DOM tubing finds widespread application in various industries due to its unique combination of properties. Some of its key applications include:
Aerospace: Used in aircraft structures and components to reduce weight while maintaining structural integrity.
Automotive: Employed in automotive frames, chassis, and suspension components to enhance fuel efficiency and performance.
Marine: Utilized in marine structures and boat components due to its corrosion resistance in saltwater environments.
Sports and Recreation: Found in bicycle frames, sporting equipment, and outdoor recreational gear.
Industrial Machinery: Used in the construction of machine frames, conveyor systems, and hydraulic equipment.
Architectural: Employed in building facades, handrails, and decorative elements due to its lightweight and corrosion-resistant properties.
Electronics: Used in heat sinks and electronic enclosure applications due to its excellent thermal conductivity.
Medical Equipment: Found in lightweight medical devices and equipment, where corrosion resistance is essential.
DOM aluminum tubing's versatility and exceptional properties make it a preferred choice in many critical applications across diverse industries.
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