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Characteristics for grade     MN19   ( МН19 )



      Grade :     MN19   ( МН19 )
      Classification :   Copper-nickel alloys
      Equivalent grades:     Is absent



Chemical composition in % for grade   MN19   ( МН19 )
Ni+Co Fe C Si Mn S P Cu As Pb Mg Zn Sb Bi Impurity
18 - 20max   0.5max   0.05max   0.15max   0.3max   0.01max   0.0178.5 - 82max   0.01max   0.005max   0.05max   0.3max   0.005max   0.002 all 1.5
Comment: Cu is a basis; the percentage of Cu is given approximately.


Mechanical properties under Т=20oС for grade   MN19   ( МН19 )
Assortment Dimension Direct. sв sT d5 y KCU Heat treatment
- mm - MPa MPa % % kJ / m2 -
Band, GOST 5187-2003     290   22-25   
Band, GOST 5187-2003     390   2.5    
Strip, GOST 5063-73     290   30    
Strip, GOST 5063-73     390   3    


    Brinell hardness for     MN19   ( МН19 )   ,     soft HB 10 -1 = 69   MPa
    Brinell hardness for     MN19   ( МН19 )   ,     hard HB 10 -1 = 117   MPa


Technological properties of the material   MN19   ( МН19 ) .
        Melting temperature : 1190   °C
        Forging temperature : 900 - 1030   °C
        Annealing temperature : 600 - 780   °C


Physical properties for grade   MN19   ( МН19 )
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 1.4 16 38.5 8900   287



Types of delivery of grade   MN19   ( МН19 )
B51 - Non-ferrous metals, including rare metals, and their alloys
B53 - Sheets and Strips
В54 - Ribbons


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]

  MN19   ( МН19 ) - Copper-nickel alloys: 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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