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to Wrought magnesium alloys
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(submitted by the website administration)
| Wrought magnesium alloy AZ31B | ||||
| Chemical composition: Mn = 0.2% min, Al=3.0%, Zn=1.0%, Mg balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 1.77 *10³ | kg/m³ | 110 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 45 | GPa | 6530 | ksi |
| Thermal expansion (20 ºC) | 26.0*10-6 | ºCˉ¹ | 14.4*10-6 | in/(in* ºF) |
| Specific heat capacity | 1000 | J/(kg*K) | 0.239 | BTU/(lb*ºF) |
| Thermal conductivity | 96 | W/(m*K) | 666 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 9.2*10-8 | Ohm*m | 9.2*10-6 | Ohm*cm |
| Tensile strength (annealed) | 255 | MPa | 37000 | psi |
| Yield strength (annealed) | 150 | MPa | 21800 | psi |
| Elongation (annealed) | 15 | % | 15 | % |
| Shear strength (annealed) | 160 | MPa | 23200 | psi |
| Hardness (annealed) | 73 | HB(500) | 73 | HB(500) |
| Tensile strength (hard rolled) | 290 | MPa | 42100 | psi |
| Yield strength (hard rolled) | 220 | MPa | 31900 | psi |
| Elongation (hard rolled) | 7 | % | 7 | % |
| Shear strength (hard rolled) | 115 | MPa | 16700 | psi |
| Hardness (hard rolled) | 54 | HB(500) | 54 | HB(500) |
| Annealing temperature | 343 | ºC | 650 | ºF |
| Liquidus temperature | 632 | ºC | 1170 | ºF |
| Solidus temperature | 605 | ºC | 1120 | ºF |
