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Characteristics for grade     АK4-1   ( АК4-1 )



      Grade :   АK4-1   ( АК4-1 ) (   1141   )
      Classification :   Aluminium wrought alloys
      Equivalent grades:   Go here



Chemical composition in % for grade   АK4-1   ( АК4-1 )
Fe Si Mn Ni Cr TiAl Cu Mg Zn Impurity
0.8 - 1.4max   0.35max   0.20.8 - 1.4max   0.10.02 - 0.193.05 - 95.281.9 - 2.71.2 - 1.8max   0.3other, each 0.05; all 0.1
Comment: Al is a basis; the percentage of Al is given approximately.


Mechanical properties under Т=20oС for grade   АK4-1   ( АК4-1 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Sheet     380 310 6  200 
Bar, GOST 21488-97     365-390275-3156   Quenching and artificial aging
Bar, GOST 51834-2001     390 335 6   Quenching and artificial aging
Profile     400 330 8    
Plate , GOST 17232-99     385-390295-3256   Quenching and artificial aging


    Brinell hardness for     АK4-1   ( АК4-1 )   ,       HB 10 -1 = 109 - 117   MPa


Physical properties for grade   АK4-1   ( АК4-1 )
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     2800   55
100   20.8 146   797  


Equivalent steels for grade     АK4-1   ( АК4-1 )
Warning! Indicated both exact and nearest equivalents.
USAJapanFranceEnglandEuropeanPolandCzechia
-JIS AFNORBSEN PNCSN
AA2018
AA2218
AA2618
2018
2218
2618
A-U4N
2618A
ENAW-2618A
ENAW-AlCu2Mg1.5Ni
AlCu2Mg2Ni1
424218



Types of delivery of grade   АK4-1   ( АК4-1 )
B52 - Graded and shaped rolling
B53 - Sheets and Strips
B55 - Bars


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]

  АK4-1   ( АК4-1 ) - 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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