Aug 5 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Introduction
Magnesium WE54A-T6 alloy is pressure-tight and weldable, and retains properties at high temperatures up to 300°C.
The following datasheet gives an overview of magnesium WE54A-T6 alloy.
Chemical Composition
The following table shows the chemical composition of magnesium WE54A-T6 alloy.
Element |
Content (%) |
Magnesium, Mg |
91.1 |
Yttrium, Y |
4.75 - 5.5 |
Rare Earths |
3 |
Zirconium, Zr |
0.40 - 1 |
Zinc, Zn |
≤0.20 |
Manganese, Mn |
≤0.15 |
Nickel, Ni |
≤0.0050 |
Copper, Cu |
≤0.030 |
Silicon, Si |
≤0.010 |
Other, each |
≤0.20 |
Other, total |
≤0.30 |
Physical Properties
The physical properties of magnesium WE54A-T6 alloy are given in the following table.
Properties |
Metric |
Imperial |
Density |
1.85 g/cm³ |
0.0668 lb/in³ |
Melting point |
550-640°C |
1020-1180°F |
Mechanical Properties
The mechanical properties of sand/permanent mold casting magnesium WE54A-T6 alloy are listed in the following table.
Properties |
Metric |
Imperial |
Tensile strength |
248 MPa |
36000 psi |
Yield strength |
165 MPa |
24000 psi |
Compressive yield strength (at 0.2% offset) |
172 MPa |
25000 psi |
Compressive strength |
410 MPa |
59500 psi |
Shear modulus (typical for steel) |
17.5 GPa |
2540 ksi |
Elastic modulus |
44.4 GPa |
6440 ksi |
Poisson's ratio |
0.27 |
0.27 |
Elongation at break (in 50 mm) |
2% |
2% |
Brinell hardness (500 kg load, 10 mm ball) |
75-95 |
75-95 |
Thermal Properties
The following table outlines the thermal properties of magnesium WE54A-T6 alloy.
Properties |
Metric |
Imperial |
Thermal expansion co-efficient (@ 0.000-100°C/32-212°F) |
26 µm/m°C |
14.4 µin/in°F |
Thermal conductivity |
52 W/mK |
361 BTU in/hr.ft².°F |
Other Designations
Other designations that are equivalent to magnesium WE54A-T6 alloy include:
-
AMS 4426
-
ASTM B 80
-
EN 1753
-
MC 95310