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Characteristics for grade     АO9-2B   ( АО9-2Б )



      Grade :     АO9-2B   ( АО9-2Б )
      Classification :   Alluminium antifriction alloys
      Equivalent grades:     Is absent



Chemical composition in % for grade   АO9-2B   ( АО9-2Б )
TiAl CuSn
0.02 - 0.187.9 - 89.981.5 - 28.5 - 10
Comment: Al is a basis; the percentage of Al is given approximately.


Mechanical properties under Т=20oС for grade   АO9-2B   ( АО9-2Б )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
cast in a metal mould     130-150  7-10   


    Brinell hardness for     АO9-2B   ( АО9-2Б )   ,     cast in a metal mould HB 10 -1 = 50   MPa


Limiting operating condition of the material   АO9-2B   ( АО9-2Б )
Load Speed Load * Speed Temperature
MPa m/s MPa * m/s Grade
29.520   120


Technological properties of the material   АO9-2B   ( АО9-2Б ) .
        Melting temperature : 226 - 650   °C


Physical properties for grade   АO9-2B   ( АО9-2Б )
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       3000    




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]

  АO9-2B   ( АО9-2Б ) - Alluminium antifriction 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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