Metals -> Copper-zinc alloy (latten, brass) -> Copper-zinc alloys pressure treated Characteristics of the material LN65-5 ( LN65-5, ЛН65-5 ).
Material : LN65-5 ( LN65-5, ЛН65-5 ) Classification : Copper-zinc alloys pressure treated
Chemical composition in % of the material LN65-5 ( LN65-5, ЛН65-5 ) . Fe Ni P Cu Pb Zn Sb Bi Impurity max 0.15 5 - 6.5 max 0.01 64 - 67 max 0.03 26.2 - 31 max 0.005 max 0.002 all 0.3
Comment: Zn is a basis; the percentage of Zn is given approximately. Mechanical properties under Т=20o С of the material LN65-5 ( LN65-5, ЛН65-5 ) .
Assortment
Dimension
Direct.
s в
s T
d 5
y
KCU
Heat treatment - mm - MPa MPa % % kJ / m2 - hard 680-750 3-6 soft 380-450 60-65
Brinell hardness of the material LN65-5 ( LN65-5, ЛН65-5 ) , hard HB 10 -1 = 160 - 170 MPa Brinell hardness of the material LN65-5 ( LN65-5, ЛН65-5 ) , soft HB 10 -1 = 55 - 65 MPa
Physical properties of the material LN65-5 ( LN65-5, ЛН65-5 ) . 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 1.12 58.6 8600 140 100 18.2
Friction coefficient of the material LN65-5 ( LN65-5, ЛН65-5 ) . Friction coefficient with oil
: 0.008 Friction coefficient without oil
: 0.2
Technological properties of the material LN65-5 ( LN65-5, ЛН65-5 ) . Melting temperature, °C : 960 Forging temperature,°C : 750 - 870 Annealing temperature, °C : 600 - 650
Specification :
Mechanical properties :
s в - 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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