Metals -> Copper -> High-temperature cooper alloy Characteristics of the material BrNBT ( BrNBT, ÁðÍÁÒ ).
Material : BrNBT ( BrNBT, ÁðÍÁÒ ) Classification : High-temperature cooper alloy
Chemical composition in % of the material BrNBT ( BrNBT, ÁðÍÁÒ ) . Ni Ti Al Cu Pb Be Zn Sn Impurity 1.4 - 1.6 0.05 - 0.15 max 0.15 97.15 - 98.35 max 0.005 0.2 - 0.4 max 0.2 max 0.1 all 0.7
Comment: Cu is a basis; the percentage of Cu is given approximately. Mechanical properties under Ò=20o Ñ of the material BrNBT ( BrNBT, ÁðÍÁÒ ) .
Assortment Dimension Direct. s â s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - 850 840 10
Brinell hardness of the material BrNBT ( BrNBT, ÁðÍÁÒ ) , deformed HB 10 -1 = 150 MPa Brinell hardness of the material BrNBT ( BrNBT, ÁðÍÁÒ ) , annealed HB 10 -1 = 80 MPa
Physical properties of the material BrNBT ( BrNBT, ÁðÍÁÒ ) . 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 20 188 8830 39.2
Technological properties of the material BrNBT ( BrNBT, ÁðÍÁÒ ) . Forging temperature,°C : 800 - 950 Annealing temperature, °C : 750
Specification :
Mechanical properties : s â - 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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