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

Characteristics of the material LK80-3   ( LK80-3,   80-3 ).

Material : LK80-3   ( LK80-3,   80-3 )
Classification : Copper-zinc alloys pressure treated


Chemical composition in % of the material LK80-3   ( LK80-3,   80-3 ) .
Fe Si Mn PAl Cu PbZn Sb Bi Sn Impurity
max   0.62.5 - 4max   0.5max   0.02max   0.179 - 81max   0.113.5 - 18.5max   0.05max   0.003max   0.2 all 1.5
Comment: Zn is a basis; the percentage of Zn is given approximately.


Mechanical properties under =20o of the material LK80-3   ( LK80-3,   80-3 ) .
Assortment Dimension Direct. s sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
hard     580-650  3-5   
soft     280-340  53-60   


    Brinell hardness of the material   LK80-3   ( LK80-3,   80-3 )   ,     hard HB 10 -1= 170 - 190   MPa
    Brinell hardness of the material   LK80-3   ( LK80-3,   80-3 )   ,     soft HB 10 -1= 95 - 105   MPa


Physical properties of the material LK80-3   ( LK80-3,   80-3 ) .
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 1.04   87.9 8200   200
100   17     401.9  


Friction coefficient of the material LK80-3   ( LK80-3,   80-3 ) .
 Friction coefficient with oil : 0.084
 Friction coefficient without oil : 0.22


Technological properties of the material LK80-3   ( LK80-3,   80-3 ) .
 Melting temperature, C : 890
 Annealing temperature, C : 750 - 850



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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