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Wrought aluminum-magnesium-silicon alloy 6061

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Wrought aluminum-magnesium-silicon alloy 6061
Chemical composition: Si=0.6%, Cu=0.28%, Mg=1.0%, Cr = 0.20%, 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) 23.6*10-6 ºCˉ¹ 13.1*10-6 in/(in* ºF)
Specific heat capacity 896 J/(kg*K) 0.214 BTU/(lb*ºF)
Thermal conductivity 180 W/(m*K) 1250 BTU*in/(hr*ft²*ºF)
Electric resistivity 3.66*10-8 Ohm*m 3.66*10-6 Ohm*cm
Tensile strength (annealed) 124 MPa 18000 psi
Yield strength ( annealed) 55 MPa 8000 psi
Elongation ( annealed) 25 % 25 %
Shear strength ( annealed ) 83 MPa 12000 psi
Fatigue strength ( annealed ) 62 MPa 9000 psi
Hardness ( annealed) 30 HB 30 HB
Tensile strength (T6, T651) 310 MPa 45000 psi
Yield strength (T6, T651) 276 MPa 40000 psi
Elongation (T6, T651) 12 % 12 %
Shear strength (T6, T651) 207 MPa 30000 psi
Fatigue strength (T6, T651) 97 MPa 14000 psi
Hardness (T6, T651) 95 HB 95 HB
Annealing temperature 413 ºC 775 ºF
Solution temperature 529 ºC 985 ºF
Aging temperature 160-177 ºC 320-350 ºF

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