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Formula: Al 97/Mg 3
Form: Tube
Material: Aluminum/Magnesium
Commodity: Alloys
Temper:
As Drawn
Aluminum/Magnesium Alloy Tube (Al97/Mg3) is a lightweight, high-strength tubular material combining aluminum’s low density and excellent thermal conductivity with magnesium’s strength-enhancing and corrosion-resistant properties. With 3% magnesium, it offers an optimal balance of tensile strength, fatigue life, and formability, making it suitable for aerospace, marine, and automotive applications where weight savings directly impact performance. Its tubular geometry provides high stiffness-to-weight ratios, supporting its use in fluid transport systems, structural frameworks, and protective conduits in corrosive environments. Applications include aircraft hydraulic lines, marine heat exchanger tubes, and lightweight vehicle chassis components. Benefiting technologies include unmanned aerial vehicle (UAV) frameworks, offshore structural piping, and next-generation electric vehicle platforms. Research is advancing continuous casting and extrusion processes to refine microstructure, improve surface quality, and extend fatigue resistance, ensuring Aluminum/Magnesium Alloy Tube (Al97/Mg3) remains a vital choice for high-reliability engineering sectors.
Tolerances
Tube
| Outside Diameter | =<2mm | ±0.05mm |
|---|---|---|
| Outside Diameter | 2mm - 5mm | ±0.1mm |
| Outside Diameter | >5mm | ±5% |
| Wall Thickness | ±10% |
Material Properties for Alloys
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Brinell | 45-100 |
| Elongation at break( % ) | <25 |
| Modulus of elasticity( GPa ) | 65-75 |
| Izod impact strength( J m⁻¹ ) | 30-50 |
| Shear strength( MPa ) | 125-175 |
| Tensile strength( MPa ) | 200-350 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 4.5-5.7 |
| Temperature coefficient( K⁻¹ ) | 0.0019-0.0026 |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 2.67 |
Thermal Properties
| Element | Value |
|---|---|
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 135-160@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 23.5@20-100°C |
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