Metals -> Bronze -> Tin-free pressure-worked bronzes Characteristics of the material BrBNT1.9 ( BrBNT1.9, ÁðÁÍÒ1.9 ).
Material : BrBNT1.9 ( BrBNT1.9, ÁðÁÍÒ1.9 ) Classification : Tin-free pressure-worked bronzes Chemical composition in % of the material BrBNT1.9 ( BrBNT1.9, ÁðÁÍÒ1.9 ) .
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 96.75 - 97.85 max 0.005 1.85 - 2.1 all 0.5 Comment: Cu is a basis; the percentage of Cu is given approximately. Mechanical properties under Ò=20 oÑ of the material BrBNT1.9 ( BrBNT1.9, ÁðÁÍÒ1.9 ) .
KCU Heat treatment - mm - MPa MPa % % kJ / m 2 - soft 400-600 30-50 hard 600-900 1-3
Brinell hardness of the material BrBNT1.9 ( BrBNT1.9, ÁðÁÍÒ1.9 ) , soft HB 10 -1= 120 - 140 MPa Physical properties of the material BrBNT1.9 ( BrBNT1.9, ÁðÁÍÒ1.9 ) .
T E 10 - 5 a 10 6 l r C R 10 9 Grade MPa 1/Grade Watt/(m·Grade) kg/m 3 J/(kg·Grade) Ohm·m 20 1.3 100 8300 90 100 16.5 Technological properties of the material BrBNT1.9 ( BrBNT1.9, ÁðÁÍÒ1.9 ) .
Melting temperature, °C : 860 Forging temperature,°C : 700 - 800 Annealing temperature, °C : 530 - 650
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 / m 2]
HB - Brinell hardness , [MPa]
Physical properties :
T - Test temperature , [Grade]
E - Young modulus , [MPa]
a - Coefficient of linear expansion
(range 20 o - T ) , [1/Grade]
l - Termal (heat) condition coefficient , [Watt/(m·Grade)]
r - Density , [kg/m 3]
C - Specific heat
( range 20 o - T ), [J/(kg·Grade)] R - Electrical resistance , [Ohm·m]
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