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B390 is an aluminum alloy with high hardness and good wear resistance. This alloy is suitable for many applications including internal combustion engine pistons and cylinder bodies for compressors and brakes.
Mechanical Properties
Material
Alloy
Elongation
Tensile Strength
Yield Strength (0.2%)
Impact Strength
Shear Strength
Hardness
Process
% in 50mm
% in 50mm
MPa
PSI x 103
MPa
PSI x 103
J
ft lb
MPa
PSI x 103
Brinell (HB)
Brinell (HB)
Aluminum Die Casting Metals
1
1
317
46
250
36
-
-
-
-
120
120
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Physical Properties
Material
Alloy
Density
Melting Point (Average +/- 50)
Thermal Conductivity
Coefficient of Thermal Expansion
Electrical Conductivity
Process
g/cm3
lb/in3
°C
°F
W / m K
BTU/h∙ft∙°F
µm/m°K
µin/in°F
% IACS
%IACS
Aluminum Die Casting Metals
2.71
0.098
580
1075
134
77.4
18.0
10.0
27.0
27.0
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Composition
Aluminum Die Casting Metals
%
B390
Aluminum
Bal.
Copper
4.0-5.0
Magnesium
0.45-0.65
Iron (max)
1.3
Lead (max)
Cadmium (max)
Tin (max)
Nickel (max)
0.1
Zinc
1.5
Manganese
0.5
Silicon
16.0-18.0
Other-Metallic
0.2
RoHS Compliant
✓
