Metals -> Aluminium alloy -> Aluminium casting alloys Characteristics of the material VÀL8 ( ÂÀË8 ).
Material : VÀL8 ( ÂÀË8 ) Classification : Aluminium casting alloys
Chemical composition in % of the material VÀL8 ( ÂÀË8 ) . Fe Si Ti Al Cu Be Mg Zn max 0.4 7 - 8.5 0.1 - 0.25 86.15 - 89.6 2.5 - 3 0.1 - 0.25 0.2 - 0.45 0.5 - 1
Comment: Al is a basis; the percentage of Al is given approximately. Mechanical properties under Ò=20o Ñ of the material VÀL8 ( ÂÀË8 ) .
Assortment
Dimension
Direct.
s â
s T
d 5
y
KCU
Heat treatment - mm - MPa MPa % % kJ / m2 - cast in a metal mould 382-410 340 4-7
Brinell hardness of the material VÀL8 ( ÂÀË8 ) , cast in a metal mould HB 10 -1 = 90 - 100 MPa
Physical properties of the material VÀL8 ( ÂÀË8 ) . T E 10- 5 a 10 6 l r C R 10 9 Grade MPa 1/Grade Watt/(m·Grade) kg/m3 J/(kg·Grade) Ohm·m 20 0.72 2730 100 22.9 130 920
Specification :
Mechanical properties :
s â - Tensile strength , [MPa]
s T - Yield stress, [MPa]
d 5 - Specific elongation at fracture , [ % ]
y - Reduction of area , [ % ]
KCU - Impact strength , [ kJ / m2 ]
HB - Brinell hardness , [MPa]
Physical properties :
T - Test temperature , [Grade]
E - Young modulus , [MPa]
a - Coefficient of linear expansion
(range 20o - T ) , [1/Grade]
l - Termal (heat) condition coefficient , [Watt/(m·Grade)]
r - Density , [kg/m3 ]
C - Specific heat
( range 20o - T ), [J/(kg·Grade)]
R - Electrical resistance , [Ohm·m]
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