Magnesium ZK21A-F (UNS M16210)
ZK21A-F is a high-performance magnesium alloy renowned for its excellent strength, weldability, and corrosion resistance. It serves diverse industries including aerospace, automotive, and marine, where lightweight, durable materials are critical for enhanced performance and longevity in demanding environments.
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| 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 button 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
ZK21A-F is a versatile and reliable magnesium alloy that can be used in a wide variety of applications, including:
- Aerospace industry: Used to manufacture aircraft structures like fuselages, wings, tails, landing gear, and engine components.
- Automotive industry: Applied in engine blocks, pistons, brake rotors, steering wheels, door panels, and dashboards.
- Marine industry: Utilized for hulls, decks, fittings, propellers, rudders, and winches.
- Construction industry: Fabricated into structural beams, columns, panels, ladders, scaffolding, and handrails.
- Electrical industry: Employed in switchgear, transformers, motors, circuit breakers, fuses, and relays.
- Medical industry: Used for implants, prosthetics, surgical instruments, artificial joints, spinal implants, and dental fillings.