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Characteristics for grade     LMtsА57-3-1   ( ЛМцА57-3-1 )



      Grade :     LMtsА57-3-1   ( ЛМцА57-3-1 )
      Classification :   Copper-zinc alloys pressure treated
      Equivalent grades:     Is absent



Chemical composition in % for grade   LMtsА57-3-1   ( ЛМцА57-3-1 )
FeMn PAl Cu PbZn Sb Bi Impurity
max   12.5 - 3.5max   0.010.5 - 1.555 - 58.5max   0.235.2 - 42max   0.005max   0.002 all 1.3
Comment: Zn is a basis; the percentage of Zn is given approximately.


Mechanical properties under Т=20oС for grade   LMtsА57-3-1   ( ЛМцА57-3-1 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
soft     400-500  40-50   
hard     700-750  4-8   


    Brinell hardness for     LMtsА57-3-1   ( ЛМцА57-3-1 )   ,     soft HB 10 -1 = 85 - 95   MPa
    Brinell hardness for     LMtsА57-3-1   ( ЛМцА57-3-1 )   ,     hard HB 10 -1 = 175 - 185   MPa


Technological properties of the material   LMtsА57-3-1   ( ЛМцА57-3-1 ) .
        Melting temperature : 870   °C
        Forging temperature : 650 - 750   °C
        Annealing temperature : 600 - 700   °C


Physical properties for grade   LMtsА57-3-1   ( ЛМцА57-3-1 )
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 1.04   67 8100   121
100   20.1        




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]

  LMtsА57-3-1   ( ЛМцА57-3-1 ) - 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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