Database of Steel and Alloy (Marochnik)

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Metals -> Aluminium alloy -> Aluminium wrought alloys

Characteristics of the material D18   ( 18 ).

Material : D18   ( 18 )
Classification : Aluminium wrought alloys


Chemical composition in % of the material D18   ( 18 ) .
Fe Si Mn TiAl Cu Mg Zn Impurity
max   0.5max   0.5max   0.2max   0.195 - 97.62.2 - 30.2 - 0.5max   0.1other, each 0.05; all 0.1
Comment: Al is a basis; the percentage of Al is given approximately.


Mechanical properties under =20o of the material D18   ( 18 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Wire     300 170 24 50 Hardening and ageing
Wire     160 60 25   Annealing


    Brinell hardness of the material   D18   ( 18 )   (quenching, ageing ,       HB 10 -1= 70   MPa
    Brinell hardness of the material   D18   ( 18 )   (annealing) ,       HB 10 -1= 38   MPa


Physical properties of the material D18   ( 18 ) .
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(mGrade) kg/m3 J/(kgGrade) Ohmm
20 0.71     2760   39
100   23.4 172   922  



Specification :
Mechanical properties :
s - Tensile strength , [MPa]
sT - Yield stress, [MPa]
d5 - 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/(mGrade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kgGrade)]
R - Electrical resistance , [Ohmm]

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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