B390

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 Tensile Strength   Yield Strength   Impact Strength   Shear Strength   Hardness   Elongation   Process
MPa
MPa
J
MPa
Brinell (HB)
% in 50mm
Aluminium
317
250
-
-
120
1

Physical Properties

Material Alloy Density   Melting Point   Thermal Conductivity   Coefficient of Thermal Expansion   Electrical Conductivity   Process
g/cm3
°C
W/m K
µm/m°K
%IACS
Aluminium
2.71
580
134
18.0
27.0

Composition

Aluminium
% 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

 

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Last updated 11.18.2019