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Characteristics for grade     L59   ( Л59 )



      Grade :     L59   ( Л59 )
      Classification :   Copper-zinc alloys pressure treated
      Equivalent grades:     Is absent



Chemical composition in % for grade   L59   ( Л59 )
Fe P Cu As PbZn Sb Bi Sn Impurity
max   0.3max   0.0157 - 60max   0.01max   0.539.1 - 43max   0.01max   0.003max   0.2 all 0.9
Comment: Zn is a basis; the percentage of Zn is given approximately.


Mechanical properties under Т=20oС for grade   L59   ( Л59 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
soft     390   44 62  
hard     500   10 40  


    Brinell hardness for     L59   ( Л59 )   ,     hard HB 10 -1 = 163   MPa
    Brinell hardness for     L59   ( Л59 )   ,     casted HB 10 -1 = 77   MPa


Friction coefficient of the material   L59   ( Л59 ) .
 Friction coefficient with oil : 0.012
 Friction coefficient without oil : 0.45


Technological properties of the material   L59   ( Л59 ) .
        Forging temperature : 730 - 820   °C
        Casting temperature : 1030 - 1080   °C
        Linear shrinkage : 1.97   %


Physical properties for grade   L59   ( Л59 )
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   21 126 8400    




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]

  L59   ( Л59 ) - Copper-zinc alloys pressure treated: 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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