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AluminIum Alloy Data

Aluminum Alloy A360 A380 383/ADC12 384 K Alloy/A304
SEI P/N SEI-ALU-1 SEI-ALU-2 SEI-ALU-5 SEI-ALU-3 SEI-ALU-4
Major Mg 0.5 Cu 3.5 Cu 2.5 Cu 3.8 Mg 0.4
Additives Si 9.5 Si 8.5 Si 10.0 Si 11.0 Si 9.8
Detailed Composition
Silicon Si 9.0-10.0 7.5-8.5 9.5-11.5 10.5-12.5 8.5-11.0
Iron Fe 1.3 1.3 0.9 1.3 0.9
Copper Cu 0.6 3.0-4.0 2.0-3.0 3.0-4.5 0.04
Magnesium Mg 0.4-0.6 0.30 0.30 0.10 0.3-0.5
Manganese Mn 0.35 .050 0.50 0.50 0.40
Nickel Ni 0.50 0.50 0.1-0.5 0.10 0.20
Zinc Zn 0.50 3.0 1.0 3.0 3.0
Tin Sn 0.15 0.35 0.1-0.2 0.35 0.02
Titanium Ti 0.11
Others 0.25 0.50 0.50 0.50 0.80
Aluminium Al Balance Balance Balance Balance Balance
Mechanical Properties
Tensile Strength
Ksi 46 47 45 48 43
(MPa) (317) (324) (310) (330) (300)
Yield Strength
Ksi 24 23 22 24 25
(MPa) (170) (160) (150) (165) (170)
Elongation
% in 2in. (51mm) 3.5 3.5 3.5 2.5 5.0
Hardness
BHN 75 80 75 85 80
Shear Strength
Ksi 26 27 29 28
(MPa) (180) (190) (200) (190)
Fatigue Strength
Ksi 18 20 21 20
(MPa) (120) (140) (145) (140)
Young’s Modulus
Psi x 106 10.3 10.3 10.3 10.3
(GPa) (71) (71) (71) (71)
Physical Properties
Density
Lb/in3 0.095 0.098 0.099 0.102 0.095
(g/cm3) (2.62) (2.71) (2.74) (2.82) (2.62)
Melting Range
oF 1035-1105 1000-1100 960-1080 960-1080 1040-1105
(oC) (557-596) (540-595) (516-582) (516-582) (560-596)
Coefficient of Thermal Expanision
µin/inoF 11.6 12.1 11.7 11.6 11.5
µin/moC (21.0) (21.8) (21.1) (21.0) (20.9)
Thermal Conductivity
BTU/ft hroF 65.3 55.6 55.6 55.6 65.3
(MPa) (113) (96.2) (96.2) (96.2) (113)
Electrical Conductivity
%lACS 29 23 23 22 32
Poisson’s Ratio
0.33 0.33 0.33

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SEI Castings
555 Mayock Road
Gilroy, CA, 95020 USA
Phone: 408-622-4887

Looking for Microwave or RF Products. You came to the right place! To see how we can help, click below.