Magnesium In CNC Machining
Magnesium is a lightweight, strong metal with an excellent strength-to-weight ratio, making it ideal for CNC machining. It's highly machinable and suitable for creating precise, intricate components in industries like automotive, aerospace, and electronics. Despite flammability risks, magnesium offers unmatched benefits for high-performance applications when handled properly.
![]() |
![]() |
Description & Characteristics
| Price | $ $ $ $ $ |
| Lead Time | < 10 days |
| Wall Thickness | 0.5 mm |
| Tolerances | ±0.125mm (±0.005″) |
| Max Part Size | 200 x 80 x 100 cm |
| Available Brass | Magnesium Alloy AZ31B, AZ91D |
| Applications | CNC machining produces parts with excellent mechanical properties, accuracy and repeatability from metal and plastic. |
| Strengths | Magnesium is a lightweight, highly machinable metal perfect for creating precise, complex parts. Its damping properties and recyclability make it ideal for automotive, aerospace, and eco-friendly applications. |
| Weaknesses | Poor heat conductivity and high cutting temperatures, increased tool wear, and challenges in achieving smooth surface finishes |
Parameters Of Brass
| Magnesium Alloy | Tensile Strength, Yield (MPa) | Fatigue Strength (MPa) | Elongation at Break (%) | Hardness (Brinell) | Density (g/cm³) |
|---|---|---|---|---|---|
| AZ31B | 180-240 | 100 | 6-20 | 50-70 | 1.77 |
| AZ91D | 150-160 | 90 | 3-7 | 60-70 | 1.81 |


