Magnesium ZK21A-F (UNS M16210)
ZK21A-F is a magnesium alloy that is used in a variety of applications, including aerospace, automotive, and marine. It is known for its good strength, weldability, and corrosion resistance.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | Remainder | |
| Zinc | 2.0% | 2.6% |
| Zirconium | 0.45% | 0.80% |
The following table provides a list of magnesium ZK21A-F properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 1800 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 235 MPa |
| Tensile Strength (Yield) | 180 MPa |
| Compressive Strength (Yield) | 97 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 4% |
| Poisson’s Ratio (ν) | 0.35 |
| Thermal Properties | Metric |
| Specific Heat Capacity (Cp) Typical value for Mg alloys | 1.00 J/g·°C |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of Magnesium ZK21A-F
| Advantages | Disadvantages |
|---|---|
| High strength-to-weight ratio | Low melting point |
| Good weldability | Limited availability |
| Good corrosion resistance | High cost |
Applications of Magnesium ZK21A-F
Magnesium ZK21A-F is a versatile and reliable magnesium alloy that can be used in a wide variety of applications. Some common applications of Magnesium ZK21A-F include:
- Aerospace industry: Magnesium ZK21A-F is used to make aircraft structures, such as fuselages, wings, and tails. It is also used to make landing gear and engine components.
- Automotive industry: Magnesium ZK21A-F is used to make engine blocks, pistons, and brake rotors. It is also used to make other parts, such as steering wheels, door panels, and dashboards.
- Marine industry: Magnesium ZK21A-F is used to make hulls, decks, and fittings. It is also used to make other parts, such as propellers, rudders, and winches.
- Construction industry: Magnesium ZK21A-F is used to make structural beams, columns, and panels. It is also used to make other parts, such as ladders, scaffolding, and handrails.
- Electrical industry: Magnesium ZK21A-F is used to make switchgear, transformers, and motors. It is also used to make other parts, such as circuit breakers, fuses, and relays.
- Medical industry: Magnesium ZK21A-F is used to make implants, prosthetics, and surgical instruments. It is also used to make other parts, such as artificial joints, spinal implants, and dental fillings.