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Characteristics for grade     MА8   ( МА8 )



      Grade :     MА8   ( МА8 )
      Classification :   Wrought magnesium
      Equivalent grades:     Is absent



Chemical composition in % for grade   MА8   ( МА8 )
Fe Si Mn Ni CeAl Cu Be Mg Zn Impurity
max   0.05max   0.11.3 - 2.2max   0.0070.15 - 0.35max   0.1max   0.05max   0.00296.84 - 98.55max   0.3 all 0.3
Comment: Mg is a basis; the percentage of Mg is given approximately.


Mechanical properties under Т=20oС for grade   MА8   ( МА8 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Sheet annealed , GOST 22635-77     220-230110-12010-12   
Sheet, GOST 22635-77     220-230140-1506-8   
Pipe, GOST 19441-74     230   8    
Bar, GOST 18351-73     175-215  1-4   


    Brinell hardness for     MА8   ( МА8 )   ,       HB 10 -1 = 40   MPa


Technological properties of the material   MА8   ( МА8 ) .
        Linear shrinkage : 5.4   %


Physical properties for grade   MА8   ( МА8 )
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 0.42   133.9 1780   51
100   23.7     1046.7  



Types of delivery of grade   MА8   ( МА8 )
B51 - Non-ferrous metals, including rare metals, and their alloys
B52 - Graded and shaped rolling
B53 - Sheets and Strips
B55 - Bars
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]

  MА8   ( МА8 ) - Wrought magnesium: 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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