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Characteristics for grade     AKM   ( АКМ )



      Grade :     AKM   ( АКМ )
      Classification :   Aluminium wrought alloys
      Equivalent grades:     Is absent



Chemical composition in % for grade   AKM   ( АКМ )
Fe Si Mn Ni Cr TiAl Cu Mg Zn Impurity
max   10.8 - 2.20.2 - 0.8max   0.1max   0.2max   0.290.6 - 971.2 - 2.60.8 - 1.4max   1 all 0.2
Comment: Al is a basis; the percentage of Al is given approximately.


Mechanical properties under Т=20oС for grade   AKM   ( АКМ )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Bar, GOST 21488-97     245   12   Annealing
Bar, GOST 21488-97     315   12-14  Hardening and ageing
Profile annealed , GOST 8617-81     196   14    
Profile, GOST 8617-81     314   12    


Physical properties for grade   AKM   ( АКМ )
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       2765    



Types of delivery of grade   AKM   ( АКМ )
B52 - Graded and shaped rolling
B53 - Sheets and Strips
B55 - Bars
B57 - Secondary non-ferrous metals, alloys and wastes


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]

  AKM   ( АКМ ) - 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

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