Database of Steel and Alloy (Marochnik)

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Metals -> Copper-zinc alloy (latten, brass) -> Copper-zinc alloys pressure treated

Characteristics of the material L80   ( L80,   80 ).

Material : L80   ( L80,   80 )
Classification : Copper-zinc alloys pressure treated


Chemical composition in % of the material L80   ( L80,   80 ) .
Fe P Cu PbZn Sb Bi Impurity
max   0.1max   0.0179 - 81max   0.0318.7 - 21max   0.005max   0.002 all 0.3
Comment: Zn is a basis; the percentage of Zn is given approximately.


Mechanical properties under =20o of the material L80   ( L80,   80 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
hard     610-680  2-5   
soft     300-350  45-55   


    Brinell hardness of the material   L80   ( L80,   80 )   ,     hard HB 10 -1= 140 - 150   MPa
    Brinell hardness of the material   L80   ( L80,   80 )   ,     soft HB 10 -1= 55 - 65   MPa


Physical properties of the material L80   ( L80,   80 ) .
T E 10- 5 a 10 6 l r C R 10 9
Grade MPa 1/Grade Watt/(mGrade) kg/m3 J/(kgGrade) Ohmm
20 1.1   142 8660   60
100   18.8     399.4  


Friction coefficient of the material L80   ( L80,   80 ) .
 Friction coefficient with oil : 0.015
 Friction coefficient without oil : 0.71


Technological properties of the material L80   ( L80,   80 ) .
 Melting temperature, C : 1000
  Forging temperature,C : 700 - 850
 Annealing temperature, C : 500 - 650



Specification :
Mechanical properties :
s - 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/(mGrade)]
r - Density , [kg/m3]
C - Specific heat ( range 20o - T ), [J/(kgGrade)]
R - Electrical resistance , [Ohmm]

Database of steels and alloys (Marochnik) contains information about chemical composition and properties of 1500 steels and alloys (stainless steel, alloy steel, carbone steel, structural steel, tool steel, cast iron, aluminum alloy, titanium alloy, copper alloy, nickel alloy, magnesium alloy and others).
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