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Characteristics for grade     BrА9ZH4   ( БрА9Ж4 )



      Grade :     BrА9ZH4   ( БрА9Ж4 )
      Classification :   Tin-free foundary bronzes
      Equivalent grades:     Is absent



Chemical composition in % for grade   BrА9ZH4   ( БрА9Ж4 )
FeAl CuImpurity
2 - 48 - 1083.3 - 90 all 2.7
Comment: Cu is a basis; the percentage of Cu is given approximately.


Mechanical properties under Т=20oС for grade   BrА9ZH4   ( БрА9Ж4 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
      390 196 -10 30588 


    Brinell hardness for     BrА9ZH4   ( БрА9Ж4 )   ,       HB 10 -1 = 98   MPa


Friction coefficient of the material   BrА9ZH4   ( БрА9Ж4 ) .
 Friction coefficient with oil : 0.004
 Friction coefficient without oil : 0.18


Technological properties of the material   BrА9ZH4   ( БрА9Ж4 ) .
        Melting temperature : 1040   °C
        Linear shrinkage : 2.49   %


Physical properties for grade   BrА9ZH4   ( БрА9Ж4 )
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 1.107   58.6 7600   123
100   16.32        




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]

  BrА9ZH4   ( БрА9Ж4 ) - Tin-free foundary bronzes: 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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