to Wrought aluminum-magnesium-silicon alloys (6xxx)
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| Wrought aluminum-magnesium-silicon alloy 6591 | ||||
| Chemical composition: Si=0.35%, Cu=0.28%, Mg=0.6%, Al balance | ||||
| Property | Value in metric unit | Value in US unit | ||
| Density | 2.70 *10³ | kg/m³ | 169 | lb/ft³ |
|---|---|---|---|---|
| Modulus of elasticity | 69 | GPa | 10000 | ksi |
| Thermal expansion (20 ºC) | 23.4*10-6 | ºCˉ¹ | 13.0*10-6 | in/(in* ºF) |
| Specific heat capacity | 890 | J/(kg*K) | 0.213 | BTU/(lb*ºF) |
| Thermal conductivity | 213 | W/(m*K) | 1480 | BTU*in/(hr*ft²*ºF) |
| Electric resistivity | 3.16*10-8 | Ohm*m | 3.16*10-6 | Ohm*cm |
| Tensile strength (annealed) | 110 | MPa | 16000 | psi |
| Yield strength ( annealed) | 40 | MPa | 5800 | psi |
| Elongation (annealed) | 30 | % | 30 | % |
| Shear strength ( annealed ) | 75 | MPa | 10900 | psi |
| Hardness ( annealed) | 28 | HB | 28 | HB |
| Tensile strength (T6) | 270 | MPa | 39200 | psi |
| Yield strength (T6) | 230 | MPa | 33400 | psi |
| Elongation (T6) | 13 | % | 13 | % |
| Shear strength (T6) | 180 | MPa | 26100 | psi |
| Hardness (T6) | 82 | HB | 82 | HB |
| Annealing temperature | 413 | ºC | 775 | ºF |
| Solution temperature | 529 | ºC | 985 | ºF |
| Aging temperature | 160 | ºC | 320 | ºF |