to Wrought aluminum-silicon alloys (4xxx)
to Properties of aluminum alloys
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| Wrought aluminum-silicon alloy 4043 | ||||
| Chemical composition: Si=5.2%, Be = 0.0008%, Al balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 2.69 *10³ | kg/m³ | 168 | lb/ft³ |
|---|---|---|---|---|
| Thermal expansion (20 ºC) | 22.1*10-6 | ºCˉ¹ | 12.3*10-6 | in/(in* ºF) |
| Specific heat capacity | 850 | J/(kg*K) | 0.203 | BTU/(lb*ºF) |
| Thermal conductivity | 163 | W/(m*K) | 1130 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 4.16*10-8 | Ohm*m | 4.16*10-6 | Ohm*cm |
| Tensile strength (annealed) | 145 | MPa | 21000 | psi |
| Yield strength (annealed) | 70 | MPa | 10200 | psi |
| Elongation (annealed) | 22 | % | 22 | % |
| Shear strength (annealed) | 90 | MPa | 13100 | psi |
| Hardness (annealed) | 39 | HB | 39 | HB |
| Tensile strength (H18) | 285 | MPa | 41300 | psi |
| Yield strength (H18) | 270 | MPa | 39200 | psi |
| Elongation (H18) | 0.5 | % | 0.5 | % |
| Shear strength (H18) | 170 | MPa | 24700 | psi |
| Hardness (H18) | 77 | HB | 77 | HB |
| Annealing temperature | 349 | ºC | 660 | ºF |
| Liquidus temperature | 632 | ºC | 1170 | ºF |
| Solidus temperature | 574 | ºC | 1065 | ºF |