Metals -> Bronze -> Tin-free pressure-worked bronzes Characteristics of the material BrKN1-3 ( BrKN1-3, ÁðÊÍ1-3 ).
Material : BrKN1-3 ( BrKN1-3, ÁðÊÍ1-3 ) Classification : Tin-free pressure-worked bronzes
Chemical composition in % of the material BrKN1-3 ( BrKN1-3, ÁðÊÍ1-3 ) . Fe Si Mn Ni Al Cu Pb Zn Sn Impurity max 0.1 0.6 - 1.1 0.1 - 0.4 2.4 - 3.4 max 0.02 94.7 - 96.9 max 0.15 max 0.1 max 0.1 all 0.4
Comment: Cu is a basis; the percentage of Cu is given approximately. Mechanical properties under Ò=20o Ñ of the material BrKN1-3 ( BrKN1-3, ÁðÊÍ1-3 ) .
Assortment Dimension Direct. s â s T
d 5
y KCU Heat treatment - mm - MPa MPa % % kJ / m2 - soft 400-450 25-30 hard 500-600 6-8
Brinell hardness of the material BrKN1-3 ( BrKN1-3, ÁðÊÍ1-3 ) , soft HB 10 -1 = 80 - 100 MPa Brinell hardness of the material BrKN1-3 ( BrKN1-3, ÁðÊÍ1-3 ) , hard HB 10 -1 = 150 - 200 MPa
Physical properties of the material BrKN1-3 ( BrKN1-3, ÁðÊÍ1-3 ) . 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 8800 50 100 18
Friction coefficient of the material BrKN1-3 ( BrKN1-3, ÁðÊÍ1-3 ) . Friction coefficient with oil
: 0.017 Friction coefficient without oil
: 0.45
Technological properties of the material BrKN1-3 ( BrKN1-3, ÁðÊÍ1-3 ) . Melting temperature, °C : 1084 Forging temperature,°C : 800 - 910
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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