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Formula: Al 98.8/Mg 0.7/Si 0.5
Form: Rod
Material: Aluminum/Magnesium/Silicon
Commodity: Alloys
Temper:
Soft
Aluminum/Magnesium/Silicon Alloy Rod (Al98.8/Mg0.7/Si0.5) combines aluminum’s light weight and conductivity with magnesium’s strength enhancement and silicon’s precipitation-hardening effect, resulting in a medium-to-high strength alloy with excellent corrosion resistance. The rod form provides superior load-bearing capacity and rigidity, making it suitable for structural and precision engineering applications in aerospace, automotive, and marine industries. Specific uses include precision shafts, lightweight fasteners, and mechanical linkages where dimensional stability and fatigue resistance are essential. Technologies benefiting from this alloy include aircraft actuator components, high-performance racing vehicle suspension parts, and marine propulsion assemblies. Research focuses on optimizing alloy chemistry and heat treatment to refine grain structure, enhance mechanical strength, and improve resistance to stress-corrosion cracking, ensuring Aluminum/Magnesium/Silicon Alloy Rod (Al98.8/Mg0.7/Si0.5) remains a reliable material for demanding, high-reliability engineering environments.
Tolerances
Rod
| Diameter | =<10mm | ±10% |
|---|---|---|
| Diameter | >10mm | ±5% |
Material Properties for Alloys
Mechanical Properties
| Element | Value |
|---|---|
| Hardness - Brinell | 35-75 |
| Elongation at break( % ) | 30 |
| Modulus of elasticity( GPa ) | 71 |
| Izod impact strength( J m⁻¹ ) | 30-45 |
| Shear strength( MPa ) | 100-160 |
| Tensile strength( MPa ) | 150-250 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 3.25-3.50 |
| Temperature coefficient( K⁻¹ ) | 0.003-0.0036 |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 2.7 |
Thermal Properties
| Element | Value |
|---|---|
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 190-205@23°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 23@20-100°C |
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