Metals -> Copper -> Copper-nickel alloys Characteristics of the material MN19 ( MN19, МН19 ).
Material : MN19 ( MN19, МН19 ) Classification : Copper-nickel alloys
Chemical composition in % of the material MN19 ( MN19, МН19 ) . Ni+Co Fe C Si Mn S P Cu As Pb Mg Zn Sb Bi Impurity 18 - 20 max 0.5 max 0.05 max 0.15 max 0.3 max 0.01 max 0.01 78.5 - 82 max 0.01 max 0.005 max 0.05 max 0.3 max 0.005 max 0.002 all 1.5
Comment: Cu is a basis; the percentage of Cu is given approximately. Mechanical properties under Т=20o С of the material MN19 ( MN19, МН19 ) .
Assortment Dimension Direct. s в s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - soft 300-400 35-40 hard 500-600 3-5
Brinell hardness of the material MN19 ( MN19, МН19 ) , hard HB 10 -1 = 117 MPa Brinell hardness of the material MN19 ( MN19, МН19 ) , soft HB 10 -1 = 69 MPa
Physical properties of the material MN19 ( 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
Technological properties of the material MN19 ( MN19, МН19 ) . Melting temperature, °C : 1190 Forging temperature,°C : 900 - 1030 Annealing temperature, °C : 600 - 780
Specification :
Mechanical properties : s в - Tensile strength , [MPa] s T - Yield stress, [MPa] d 5 - 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]
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