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Magnesium AZ61B
Material Type
Metal
Material Name
Magnesium AZ61B
Alternative Names
M11610
Process Compatibility
CNC Milling, CNC Turning
introduction
Magnesium AZ61B in CNC Machining
Magnesium AZ61B is a wrought magnesium alloy in the AZ61 series. It has a low density, good strength-to-weight ratio, and excellent machinability.
The "AZ61B" designation specifies the alloy composition, with "A" representing aluminum, "Z" representing zinc, and "61" indicating the approximate percentages of these elements. In the case of AZ61B, it typically contains around 9% aluminum and 1% zinc. The letter "B" typically indicates the temper or condition of the material. Magnesium alloys are significantly lighter than aluminum and steel. They have low heat capacity, which means that heat generated during machining is less likely to be absorbed by the material.
AZ61B has good machinability, but we avoid excessively high speeds as they can lead to increased tool wear and potential ignition of chips. We use appropriate feed rates to ensure efficient material removal without causing excessive heat buildup. Some machining operations may be performed with minimal or no coolant, depending on the specific requirements and capabilities of the CNC machine. Since magnesium is flammable, we always have appropriate fire safety measures, including fire extinguishers and a safe working environment.
Properties
Properties Table of Magnesium AZ61B
| MECHANICAL PROPERTIES | |
|---|---|
| Tensile Strength | 240-290 MPa |
| Yield Strength | 200-220 MPa |
| Formability | Excellent(cold-worked or hot-formed) |
| Maximum Temperature | 200°C(should not be exceeded) |
| Machinability | Easily machined with conventional tools(drills, taps, reamers, end mills) |
| Physical Properties | |
| Density | 1.74 g/cm³(two-thirds of aluminum alloys) |
| Melting Point | 650°C(lower than aluminum alloys) |
| Thermal Expansion Coefficient | Relatively low |
TECHNOLOGY OVERVIEW
Basic Knowledge of Magnesium AZ61B
What is Magnesium AZ61B?
Magnesium AZ61B is composed primarily of 93% magnesium (Mg), 6% aluminum (Al), and 1% zinc (Zn). The "AZ61B" designation specifies the alloy composition, with "A" representing aluminum, "Z" representing zinc, and "61" indicating the approximate percentages, then "B" likely signifies the condition of the material.
This alloy is ideal for applications where lightweight materials with decent mechanical properties are desired. Additionally, AZ61B exhibits good corrosion resistance and weldability.
Advantages of Magnesium AZ61B
Lightweight
High strength-to-weight ratio
Good corrosion resistance
Excellent machinability
High thermal conductivity
Non-magnetic
Good impact resistance
Easily weldable
Dimensionally stable
Applications of Magnesium AZ61B
Aerospace components
Automotive transmission cases
Electronics housings
Military equipment
Medical implants
Power tools
Sporting goods
Structural components in construction
Marine applications
FAQ
Machining Magnesium AZ61B Buying FAQ
Magnesium AZ61B is generally safe to touch. However, like any metal, it can have sharp edges or surfaces that may cause injury if mishandled.
No, magnesium AZ61B is not safe to eat. Ingesting any metal, including magnesium, can be harmful and is not intended for consumption. Metals can react with stomach acids and cause serious health issues. It's essential to keep magnesium AZ61B and other metals away from food and areas where food is prepared.
Magnesium AZ61B reacts with water through a process known as corrosion. The reaction forms magnesium hydroxide and hydrogen gas. The metal will gradually corrode in the presence of moisture, forming a white or grayish film on the surface. This corrosion process may compromise the integrity of the material over time.
Yes, magnesium AZ61B can be welded, but welding magnesium poses some challenges and requires specific precautions due to the metal's characteristics. Magnesium is highly reactive and can catch fire easily, especially during welding.
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