Magnesium
Our Product Range
Specialty Metals
Magnesium (Mg) is a lightweight, silvery-white metal that is the lightest structural metal used in industry.
It is highly machinable, has good strength-to-weight ratio, and is often alloyed with aluminum, zinc, or rare earth metals.
Magnesium
Magnesium (Mg) is a lightweight, silvery-white metal that is the lightest structural metal used in industry. It is highly machinable, has good strength-to-weight ratio, and is often alloyed with aluminum, zinc, or rare earth metals.
- Atomic Number : 12
- Density : ~1.74 g/cm³ (≈35% lighter than aluminum)
- Melting Point : 650°C
- Appearance : Silvery-White
Magnesium Properties
Property | Value |
Density | 1.74 g/cm³ |
Melting Point | 650°C |
Boiling Point | 1,090°C |
Modulus of Elasticity | ~45 GPa |
Thermal Conductivity | ~160 W/m·K |
Electrical Conductivity | ~39% of copper |
Corrosion Resistance | Moderate (improves with alloys/coatings) |
Magnetism | Non-magnetic |
Magnesium Properties
| Alloy | Composition | Features | Applications |
| AZ31B | Mg-Al-Zn | Most common sheet alloy, weldable | Aerospace, automotive panels |
| AZ91D | Mg-9%Al-1%Zn | High strength, good castability | Die-cast parts, housings |
| AM60 | Mg-Al-Mn | Ductile, good impact resistance | Steering wheels, seat frames |
| ZK60 | Mg-Zn-Zr | High strength, heat-treatable | Aerospace, racing components |
| Elektron 21 | Mg-RE-Zr | Excellent high-temp performance | Aerospace, motorsport, defense |
| QE22 | Mg-Ag-RE-Zr | High strength, corrosion-resistant | Helicopter gearboxes, aircraft |
Magnesium Product Forms is available
Form | Description | Applications |
Sheet/Plate | Flat magnesium, AZ31B common | Aerospace skins, laptop casings |
Bar/Rod | Solid form for machining | Machined parts, industrial components |
Ingot | Cast raw form for foundries | Die casting, remelting |
Tube | Hollow cylinders | Lightweight structural parts |
Casting | Custom shapes in dies or molds | Auto housings, gearboxes |
Powder | Fine metal powder | Pyrotechnics, additive manufacturing |
Common Standards
Standard | Description |
ASTM B80 | Magnesium-alloy ingots for remelting |
ASTM B107 | Magnesium-alloy extruded bars, rods, tubes |
ASTM B90 | Magnesium-alloy sand castings |
AMS 4376 | AZ31B-H24 sheet and plate |
MIL-M-3171 | Surface treatments and finishing |
Applications of Magnesium
Industry | Use Cases |
Aerospace | Gearboxes, brackets, frames, structural castings |
Automotive | Transmission cases, steering wheels, seat frames |
Consumer Electronics | Laptop covers, camera bodies, smartphone frames |
Medical | Biodegradable implants (Mg-Ca alloys) |
Military | Lightweight armor, aerospace components |
Sports | Bicycle parts, camera stabilizers, performance gear |
Magnesium vs Other Metals
| Property | Magnesium | Aluminum | Steel |
| Density (g/cm³) | 1.74 | 2.7 | 7.85 |
| Strength (MPa) | ~200–320 | ~200–550 | ~250–900 |
| Machinability | Excellent | Good | Moderate |
| Corrosion Resistance | Moderate | Good | Good |
| Cost | Medium | Low | Low |
