Metals -> Bronze -> Tin-free pressure-worked bronzes Characteristics of the material BrBNT1.7 ( BrBNT1.7, ÁðÁÍÒ1.7 ).
Material : BrBNT1.7 ( BrBNT1.7, ÁðÁÍÒ1.7 ) Classification : Tin-free pressure-worked bronzes
Chemical composition in % of the material BrBNT1.7 ( BrBNT1.7, ÁðÁÍÒ1.7 ) . Fe Si Ni Ti Al Cu Pb Be Impurity max 0.15 max 0.15 0.2 - 0.4 0.1 - 0.25 max 0.15 97 - 98.1 max 0.005 1.6 - 1.85 all 0.5
Comment: Cu is a basis; the percentage of Cu is given approximately. Mechanical properties under Ò=20o Ñ of the material BrBNT1.7 ( BrBNT1.7, ÁðÁÍÒ1.7 ) .
Assortment
Dimension
Direct.
s â
s T
d 5
y
KCU
Heat treatment - mm - MPa MPa % % kJ / m2 - soft 400-500 hard 600-900
Brinell hardness of the material BrBNT1.7 ( BrBNT1.7, ÁðÁÍÒ1.7 ) , soft HB 10 -1 = 80 - 120 MPa Brinell hardness of the material BrBNT1.7 ( BrBNT1.7, ÁðÁÍÒ1.7 ) , hard HB 10 -1 = 150 - 240 MPa
Physical properties of the material BrBNT1.7 ( BrBNT1.7, ÁðÁÍÒ1.7 ) . 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 1.28 96.6 8200 90 100 17
Technological properties of the material BrBNT1.7 ( BrBNT1.7, ÁðÁÍÒ1.7 ) . Melting temperature, °C : 865 Forging temperature,°C : 650 - 700
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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