Metals -> Bronze -> Tin-free pressure-worked bronzes Characteristics of the material BrB2 ( BrB2, ÁðÁ2 ).
Material : BrB2 ( BrB2, ÁðÁ2 ) Classification : Tin-free pressure-worked bronzes
Chemical composition in % of the material BrB2 ( BrB2, ÁðÁ2 ) . Fe Si Ni Al Cu Pb Be Impurity max 0.15 max 0.15 0.2 - 0.5 max 0.15 96.9 - 98 max 0.005 1.8 - 2.1 all 0.5
Comment: Cu is a basis; the percentage of Cu is given approximately. Mechanical properties under Ò=20o Ñ of the material BrB2 ( BrB2, ÁðÁ2 ) .
Assortment Dimension Direct. s â s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - soft 400-600 40-50 hard 600-950 2-4
Brinell hardness of the material BrB2 ( BrB2, ÁðÁ2 ) , soft HB 10 -1 = 130 - 150 MPa
Physical properties of the material BrB2 ( BrB2, ÁðÁ2 ) . 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 1.31 84 8200 70 100 16.6 419
Technological properties of the material BrB2 ( BrB2, ÁðÁ2 ) . Melting temperature, °C : 955 Forging temperature,°C : 750 - 800 Annealing temperature, °C : 530 - 650
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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