Magnesium EZ33A-T5 (UNS M12330)

Image of Magnesium EZ33A-T5 bars
Credit: CSIRO, CC BY 3.0, via Wikimedia Commons

EZ33A-T5 is a magnesium alloy known for its excellent castability, creep resistance, and damping capacity. It is typically used in commercial and military applications where high strength and corrosion resistance are required.

Chemical Composition
ElementMinMax
MagnesiumRemainder
Copper0.10%
Neodymium2.5%4.0%
Nickel0.01%
Zinc2.0%3.1%
Zirconium0.50%1.0%

The following table provides a list of magnesium EZ33A-T5 properties in both SI and US customary/Imperial units.

Click on the icon to switch between Metric and Imperial units.

Table of Magnesium EZ33A-T5 Properties
Physical Properties
Metric
Density1800 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)160 MPa
Tensile Strength (Yield)110 MPa
Bearing Strength (Ultimate)395 MPa
Bearing Strength (Yield)275 MPa
Fatigue Strength # of Cycles 1.0e+830 MPa
Shear Strength145 MPa
Young’s Modulus (E)45 GPa
Shear Modulus (G)17 GPa
Elongation at Break in 50 mm2%
Poisson’s Ratio (ν)0.32
Brinell Hardness 500 kg load, 10 mm ball50
Rockwell Hardness59
Machinability100%
Charpy Impact V-notch0.840 J
Thermal PropertiesMetric
Melting Point545 - 645 °C
Solidus545 °C
Liquidus645 °C
Thermal Conductivity99.5 W/m·K
Specific Heat Capacity (Cp)1040 J/kg·K
Coefficient of Thermal Expansion (αL)26.4 1/°C
Heat of Fusion373 J/g
Electrical PropertiesMetric
Electrical Resistivity7.00×10-6 Ω·cm

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 EZ33A-T5

AdvantagesDisadvantages
LightweightCorrosion prone
StrongFlammable
Good castabilityHigh cost
Damping capacity

Applications of Magnesium EZ33A-T5

Magnesium EZ33A-T5 is a versatile alloy that is used in a variety of applications. Some common applications of EZ33A-T5 include:

  • Aircraft and aerospace components: Magnesium EZ33A-T5 is used in a variety of aircraft and aerospace components, including landing gear, engine mounts, and structural parts. It is a good choice for these applications because it is lightweight, strong, and corrosion resistant.
  • Automotive parts: Magnesium EZ33A-T5 is used in a variety of automotive parts, including engine blocks, transmission cases, and suspension components. It is a good choice for these applications because it is lightweight, strong, and fuel-efficient.
  • Marine equipment: Magnesium EZ33A-T5 is used in a variety of marine equipment, including boats, ships, and offshore platforms. It is a good choice for these applications because it is lightweight, strong, and corrosion resistant.
  • Sporting goods: Magnesium EZ33A-T5 is used in a variety of sporting goods, including bicycles, golf clubs, and fishing rods. It is a good choice for these applications because it is lightweight, strong, and durable.
  • Electrical components: Magnesium EZ33A-T5 is used in a variety of electrical components, including circuit boards, connectors, and housings. It is a good choice for these applications because it is lightweight, strong, and electrically conductive.
  • Medical devices: Magnesium EZ33A-T5 is used in a variety of medical devices, including implants, surgical instruments, and diagnostic equipment. It is a good choice for these applications because it is lightweight, strong, and biocompatible.
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