Database of Steel and Alloy (Marochnik)

  Home     Steel and Alloy     Search     Equivalent Grades     GOST Standards     Grading     Contacts  
   
YOU HERE:   Steel and Alloy   ->   Aluminium alloy

Characteristics for grade     D21   ( Д21 )



      Grade :     D21   ( Д21 )
      Classification :   Aluminium wrought alloys
      Equivalent grades:     Is absent



Chemical composition in % for grade   D21   ( Д21 )
Fe Si Mn TiAl Cu Mg Zn Impurity
max   0.3max   0.30.4 - 0.80.1 - 0.290.75 - 93.256 - 70.25 - 0.45max   0.1other, each 0.1; all 0.05
Comment: Al is a basis; the percentage of Al is given approximately.


Mechanical properties under Т=20oС for grade   D21   ( Д21 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Forging     400 260 6    


    Brinell hardness for     D21   ( Д21 )   ,       HB 10 -1 = 100   MPa




Specification :
Mechanical properties :
sв - 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/(m·Grade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kg·Grade)]
R - Electrical resistance , [Ohm·m]

  D21   ( Д21 ) - Aluminium wrought alloys: chemical composition, mechanical and physical properties, hardness
Database of steels and alloys (Marochnik) contains information about chemical composition and properties more then 3000 steels and alloys

    ©   2003 - 2024         Database of Steel and Alloy (russian title is the Marochnik)
Administration of the Marochnik is not responsible for the content's use.
Рейтинг@Mail.ru