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Characteristics for grade     А7   ( А7 )



      Grade :     А7   ( А7 )
      Classification :   Primary aluminium
      Equivalent grades:   Go here



Chemical composition in % for grade   А7   ( А7 )
Fe Si Mn TiAl Cu Mg Zn GaImpurity
max   0.16max   0.15max   0.03max   0.01min   99.7max   0.01max   0.02max   0.04max   0.03other, each 0.02;


Mechanical properties under Т=20oС for grade   А7   ( А7 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Pipe, GOST 18482-79     60   20    
Band annealed , GOST 13726-97     60   20-30   
Band cold-worked , GOST 13726-97     130-145  3-5   
Plate , GOST 17232-99     64-78  15-18   


    Brinell hardness for     А7   ( А7 )   ,     casted HB 10 -1 = 20   MPa


Equivalent steels for grade     А7   ( А7 )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanEuropeanPolandCzechiaInter
-DIN,WNrJIS EN PNCSNISO
Aluminium1070
Aluminium1070A
3.0275
1070
A1070
ENAW-1070A
ENAW-Al99.7
Al99.7
424003
Al99.7



Types of delivery of grade   А7   ( А7 )
B51 - Non-ferrous metals, including rare metals, and their alloys
B53 - Sheets and Strips
В54 - Ribbons
B64 - Pipes of non-ferrous metals and alloys


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]

  А7   ( А7 ) - Primary aluminium: 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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