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Metals -> Aluminium alloy -> Aluminium wrought alloys

Characteristics of the material Mg2   ( 2 ).

Material : Mg2   ( 2 )
Classification : Aluminium wrought alloys


Chemical composition in % of the material Mg2   ( 2 ) .
Fe Si Mn TiAl Cu Mg Zn Impurity -
max   0.4max   0.40.2 - 0.6max   0.195.3 - 98max   0.11.8 - 2.8max   0.2other, each 0.05; all 0.1 Fe+Si<0.6
Comment: Al is a basis; the percentage of Al is given approximately.


Mechanical properties under =20o of the material Mg2   ( 2 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar annealed     190 80 25 65900 


    Brinell hardness of the material   Mg2   ( 2 )   ,       HB 10 -1= 45   MPa
    Brinell hardness of the material   Mg2   ( 2 )   (cold-worked) ,       HB 10 -1= 60   MPa


Physical properties of the material Mg2   ( 2 ) .
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     2680   47.6
100   24.2 159   963  
200   27.6        
T E 10- 5 a 10 6 l r C R 10 9


Technological properties of the material Mg2   ( 2 ) .
  Weldability: without limitations.



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]

Weldability :
without limitations - welding is done without heating and subsequent heat treeting
limited weldability - welding is possible under heating up to 100-120 grade and subsequent heat treeting
hard weldability - obtaining the quality welding needs the additional operations:heating up to 200-300 grade; the heat treeting ia annealing

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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