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Formula: Al 98/Mg 1/Si 1
Form: Tube
Material: Aluminum/Magnesium/Silicon
Commodity: Alloys
Temper:
Hard
Aluminum/Magnesium/Silicon Alloy Tube (Al98/Mg1/Si1) combines the lightweight, conductive properties of aluminum with the strengthening and corrosion-resistant benefits of magnesium and silicon. The 1% magnesium content boosts tensile strength and fatigue resistance, while 1% silicon enables precipitation hardening for improved wear resistance and thermal stability. In tubular form, the alloy offers excellent rigidity, low weight, and corrosion resistance, making it highly suited for aerospace hydraulic and pneumatic lines, automotive chassis reinforcement tubes, and marine structural components. Technologies benefiting from this alloy include high-performance heat exchanger assemblies, precision fluid delivery systems in aerospace, and lightweight robotic arm structures. Research is advancing towards optimizing extrusion processes, refining grain structure, and enhancing resistance to stress-corrosion cracking, ensuring the material’s durability in demanding environments. Aluminum/Magnesium/Silicon Alloy Tube (Al98/Mg1/Si1) is a critical enabler for systems where mechanical reliability, light weight, and corrosion resistance must align.
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 | 65-95 |
| Elongation at break( % ) | 20 |
| Modulus of elasticity( GPa ) | 69 |
| Tensile strength( MPa ) | 245-325 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 3.4-3.8 |
| Temperature coefficient( K⁻¹ ) | 0.0031-0.0035 |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 2.69 |
Thermal Properties
| Element | Value |
|---|---|
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 180-195@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 23@20-100°C |
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