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Characteristics for grade     BrO19   ( БрО19 )



      Grade :     BrO19   ( БрО19 )
      Classification :   Tin foundry bronzes
      Equivalent grades:     Is absent



Chemical composition in % for grade   BrO19   ( БрО19 )
Si PAl Cu PbZn Sb Bi Sn Impurity
max   0.02max   0.1max   0.0279.3 - 82max   0.5max   0.2max   0.3max   0.0218 - 19.5 all 1.2
Comment: Cu is a basis; the percentage of Cu is given approximately.


Mechanical properties under Т=20oС for grade   BrO19   ( БрО19 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
cast in a metal mould     295 175    41 


    Brinell hardness for     BrO19   ( БрО19 )   ,     cast in a metal mould HB 10 -1 = 157   MPa


Friction coefficient of the material   BrO19   ( БрО19 ) .
 Friction coefficient with oil : 0.005
 Friction coefficient without oil : 0.4


Technological properties of the material   BrO19   ( БрО19 ) .
        Melting temperature : 880   °C


Physical properties for grade   BrO19   ( БрО19 )
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 0.96 18.8   8600    




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]

  BrO19   ( БрО19 ) - Tin foundry 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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