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Wrought aluminum-silicon alloy 4043

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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

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to Wrought aluminum-silicon alloys (4xxx)
to Properties of aluminum alloys