Aug 5 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Applications
Introduction
Magnesium EZ33A-T5 alloy has pressure tightness, good castability and damping capacity, and creep resistant at 245°C (473°F)
The following datasheet gives an overview of magnesium EZ33A-T5alloy.
Chemical Composition
The following table shows the chemical composition of magnesium EZ33A-T5 alloy.
|
Element |
Content (%) |
|
Magnesium, Mg |
93 |
|
Neodymium, Nd |
2.5-4 |
|
Zinc. Zn |
2-3.1 |
|
Zirconium, Zr |
0.50-1 |
|
Copper, Cu |
≤ 0.10 |
|
Nickel, Ni |
≤ 0.010 |
Physical Properties
The physical properties of magnesium EZ33A-T5 alloy are given in the following table.
|
Properties |
Metric |
Imperial |
|
Density |
1.80 g/cm³ |
0.0650 lb/in³ |
|
Melting point |
545-645°C |
1010-1190°F |
Mechanical Properties
The mechanical properties of magnesium EZ33A-T5 cast alloy are outlined in the following table.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
160 MPa |
23200 psi |
|
Yield strength (@strain 0.200 %) |
110 MPa |
16000 psi |
|
Elongation at break |
2% |
2% |
|
Poisson's ratio |
0.32 |
0.32 |
|
Elastic modulus |
45 GPa |
6530 ksi |
|
Shear modulus |
17 GPa |
2470 ksi |
|
Hardness, Brinell |
50 |
50 |
|
Hardness, Rockwell E |
59 |
59 |
|
Machinability |
100 |
100 |
Thermal Properties
The thermal properties of magnesium EZ33A-T5 alloy are highlighted in the following table.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@0.000-100°C/32-212°F) |
26.4 µm/m°C |
14.7 µin/in°F |
|
Thermal conductivity |
99.5 W/mK |
691 BTU in/hr.ft².°F |
Other Designations
The other designations used to denote magnesium EZ33A-T5 alloy are listed below:
-
EN 1753 MC65120
-
AMS 4442
-
ASTM B 80
-
ASTM B 199
-
ASTM B 403
-
SAE J465
-
Old SAE 506
Applications
The main application of magnesium EZ33A-T5 alloy is in commercial and military pressure-tight sand and permanent-mold castings that are relatively free from microporosity, and used in T5 condition for applications requiring good strength properties up to 260°C.