to Cast magnesium alloys
to Properties of magnesium alloys
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| Cast magnesium alloy AZ63A | ||||
| Chemical composition: Al=6.0%, Zn=3.0%, Mn = 0.15% min, Mg balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 1.83 *10³ | kg/m³ | 114 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 45 | GPa | 6530 | ksi |
| Thermal expansion (20 ºC) | 26.1*10-6 | ºCˉ¹ | 14.5*10-6 | in/(in* ºF) |
| Specific heat capacity | 1050 | J/(kg*K) | 0.251 | BTU/(lb*ºF) |
| Thermal conductivity | 59.2 | W/(m*K) | 411 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 11.5*10-8 | Ohm*m | 11.5*10-6 | Ohm*cm |
| Tensile strength (as cast) | 200 | MPa | 29000 | psi |
| Yield strength (as cast) | 97 | MPa | 14100 | psi |
| Elongation (as cast) | 6 | % | 6 | % |
| Shear strength (as cast) | 125 | MPa | 18100 | psi |
| Hardness (as cast) | 53 | HB(500) | 53 | HB(500) |
| Tensile strength (T6) | 275 | MPa | 39900 | psi |
| Yield strength (T6) | 130 | MPa | 18900 | psi |
| Elongation (T6) | 5 | % | 5 | % |
| Shear strength (T6) | 145 | MPa | 21000 | psi |
| Hardness (T6) | 73 | HB(500) | 73 | HB(500) |
| Solution temperature | 395 | ºC | 740 | ºF |
| Aging temperature | 232 | ºC | 450 | ºF |
| Aging time | 5 | hrs. | 5 | hrs. |
| Liquidus temperature | 610 | ºC | 1130 | ºF |
| Solidus temperature | 455 | ºC | 850 | ºF |