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Characteristics for grade     AK7ch   ( АК7ч )



      Grade :   AK7ch   ( АК7ч ) (   АЛ9   )
      Classification :   Aluminium casting alloys
      Equivalent grades:   Go here



Chemical composition in % for grade   AK7ch   ( АК7ч )
Fe Si Mn Al Cu Pb Be Mg Zn Sn Impurity -
max   1.56 - 8max   0.589.6 - 93.8max   0.2max   0.05max   0.10.2 - 0.4max   0.3max   0.01 all 2 Ti+Zr<0.15
Comment: Al is a basis; the percentage of Al is given approximately.


Mechanical properties under Т=20oС for grade   AK7ch   ( АК7ч )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Casting, GOST 1583-93     137-225  1-4   


    Brinell hardness for     AK7ch   ( АК7ч )   ,     Casting GOST 1583-93 HB 10 -1 = 45 - 70   MPa


Technological properties of the material   AK7ch   ( АК7ч ) .
        Linear shrinkage : 1   %


Physical properties for grade   AK7ch   ( АК7ч )
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 0.7     2660   45.7
100   21.8 155   880  


Equivalent steels for grade     AK7ch   ( АК7ч )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandChinaInter
-DIN,WNrJIS AFNORBSGBISO
323
356.0
A03560
G-AlSi7Mg
AC4C
A-S7G
AS7G03
LM25
HZL101
ZAlSi7Mg
ZL101
ZL11
AlSi7Mg
AlSi7Mg(FE)



Types of delivery of grade   AK7ch   ( АК7ч )
B51 - Non-ferrous metals, including rare metals, and their 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]

  AK7ch   ( АК7ч ) - Aluminium casting 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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