Database of Steel and Alloy (Marochnik)

  Home     Steel and Alloy     Search     Equivalent Grades     GOST Standards     Grading     Contacts  
   
YOU HERE:   Steel and Alloy   ->   Latten (copper-zinc alloy)

Characteristics for grade     L68   ( Л68 )



      Grade :     L68   ( Л68 )
      Classification :   Copper-zinc alloys pressure treated
      Equivalent grades:   Go here



Chemical composition in % for grade   L68   ( Л68 )
Fe P Cu PbZn Sb Bi Impurity
max   0.1max   0.0167 - 70max   0.0329.7 - 33max   0.005max   0.002 all 0.3
Comment: Zn is a basis; the percentage of Zn is given approximately.


Mechanical properties under Т=20oС for grade   L68   ( Л68 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Pipe, GOST 494-90     290        
Wire, GOST 1066-90     290-370  20-40   
Wire, GOST 1066-90     540-930       
Strip, GOST 931-90     430-540  10    
Strip cold-rolled, GOST 5362-78     290-340  50    
Strip, GOST 931-90     290-370  42    


    Brinell hardness for     L68   ( Л68 )   ,     Sheet GOST 2208-2007 HB 10 -1 = 70   MPa
    Brinell hardness for     L68   ( Л68 )   ,     Sheet GOST 2208-2007 HB 10 -1 = 125   MPa


Technological properties of the material   L68   ( Л68 ) .
        Melting temperature : 938   °C
        Forging temperature : 700 - 850   °C
        Annealing temperature : 550 - 650   °C


Physical properties for grade   L68   ( Л68 )
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 1.12   113 8500   72
100   19     376.8  


Equivalent steels for grade     L68   ( Л68 )
Warning! Indicated both exact and nearest equivalents.
USAGermanyJapanFranceEnglandEuropeanItalyPolandCzechiaAustria
-DIN,WNrJIS AFNORBSEN UNIPNCSNONORM
C26800
2.0280
CuZn33
C2680
CuZn33
U-Z33
CZ107
CuZn33
CW506L
P-CuZn33
P-OT67
CuZn33
423212
CuZn33



Types of delivery of grade   L68   ( Л68 )
B53 - Sheets and Strips
В54 - Ribbons
B64 - Pipes of non-ferrous metals and alloys
B74 - Wire made of non-ferrous metals and their alloys
B76 - Metal nets


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]

  L68   ( Л68 ) - 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

    ©   2003 - 2024         Database of Steel and Alloy (russian title is the Marochnik)
Administration of the Marochnik is not responsible for the content's use.
Рейтинг@Mail.ru