Metals -> Copper -> High-temperature cooper alloy Characteristics of the material MK ( MK, МК ).
Material : MK ( MK, МК ) Classification : High-temperature cooper alloy
Chemical composition in % of the material MK ( MK, МК ) . Cu Cd 98.8 - 99.1 0.9 - 1.2
Comment: Cu is a basis; the percentage of Cu is given approximately. Mechanical properties under Т=20o С of the material MK ( MK, МК ) .
Assortment
Dimension
Direct.
s в
s T
d 5
y
KCU
Heat treatment - mm - MPa MPa % % kJ / m2 - 420 400 81
Brinell hardness of the material MK ( MK, МК ) , deformed HB 10 -1 = 120 MPa Brinell hardness of the material MK ( MK, МК ) , annealed HB 10 -1 = 50 MPa
Physical properties of the material MK ( MK, МК ) . 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 8920 23.1
Technological properties of the material MK ( MK, МК ) . Forging temperature,°C : 650 - 900 Annealing temperature, °C : 500
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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