Aluminum A380 Die Casting Alloy
Key words: Aluminium A380.0-F; UNS A13800; AAA380.0-F Die; AlA380.0-F

A380 aluminum alloy is the most common special aluminum alloy, because it is easy to mold, easy to machining, good heat conduction and other characteristics.While the A380 has long been considered easy to machine, its high silicon content makes it slightly rougher.It is widely used in a variety of products, including motor equipment chassis, engine bracket, gearbox, furniture, generators and hand tools.

A380 is close to the Japanese standard ADC10, are Al-Si-Cu alloy, high silicon content.

Physical Properties       Metric         English                                                                          Comments
Density                  2.76 g/c        0.0997 lb/in³

Mechanical Properties         Metric         English                                                                          Comments
Hardness, Brinell        80         80
Tensile Strength, Ultimate  324 MPa      47000 psi
Tensile Strength, Yield         159 MPa         23100 psi
                                @Strain 0.200 % @Strain 0.200 %
Elongation at Break          3.5 %          3.5 %                                                                          in 50 mm
Modulus of Elasticity           71.0 GPa 10300 ksi       In Tension; elastic modulus in compression is typically about 2% higher for aluminum alloys.
Poissons Ratio                  0.33         0.33
Fatigue Strength          138 MPa         20000 psi
                           @# of Cycles 5.00e'8  @# of Cycles 5.00e'8                                      Notch Status unknown, R.R. Moore Test
Machinability                  50 %         50 %                                                                    0-100 Scale (100=best)
Shear Modulus            26.5 GPa 3840 ksi
Shear Strength                  185 MPa         26800 psi

Electrical Properties         Metric         English                                                                           Comments
Electrical Resistivity        0.00000640 ohm-cm 0.00000640 ohm-cm

Thermal Properties         Metric        English                                                                           Comments
Heat of Fusion                  389 J/g         167 BTU/lb
CTE, linear              21.1 µm/m-°C   11.7 µin/in-°F
                   @Temperature  20.0 - 100 °C  @Temperature 68.0 - 212 °F
                                22.7 µm/m-°C   12.6 µin/in-°F
                   @Temperature 20.0 - 300 °C @Temperature 68.0 - 572 °F
Specific Heat Capacity          0.963 J/g-°C   0.230 BTU/lb-°F
Thermal Conductivity          109 W/m-K 756 BTU-in/hr-ft²-°F
Melting Point            538 - 593 °C 1000 - 1100 °F
Solidus                  538 °C         1000 °F
Liquidus                 593 °C         1100 °F

Processing Properties         Metric         English                                                                           Comments
Melt Temperature               649 - 760 °C   1200 - 1400 °F
Annealing Temperature     177 - 260 °C 350 - 500 °F                           Stress-relief anneal; hold at temperature 4 to 6 hr; cool in still air
                                260 - 371 °C  500 - 700 °F          for increased ductility; hold at temperature 4 - 6 hrs; furnace cool or cool in still air
Casting Temperature      635.0 - 704 °C 1175 - 1300 °F                                                                   Die Casting

Component Elements Properties Metric    English                                                                           Comments
Aluminum, Al             80.3 - 89.5 %   80.3 - 89.5 %                                                                   As remainder
Copper, Cu               3.0 - 4.0 %     3.0 - 4.0 %
Iron, Fe                 <= 1.3 % <= 1.3 %
Magnesium, Mg                <= 0.10 % <= 0.10 %
Manganese, Mn                  <= 0.50 % <= 0.50 %
Nickel, Ni                  <= 0.50 %      <= 0.50 %
Other, total              <= 0.50 %      <= 0.50 %
Silicon, Si              7.5 - 9.5 % 7.5 - 9.5 %
Tin, Sn                  <= 0.35 % <= 0.35 %
Zinc, Zn                       <= 3.0 % <= 3.0 %
References for this data sheet.