Metals -> Copper-zinc alloy (latten, brass) -> Copper-zinc alloys pressure treated Characteristics of the material L66 ( , Л66 ).
Material : L66 ( , Л66 ) Classification : Copper-zinc alloys pressure treated
Chemical composition in % of the material L66 ( , Л66 ) . Fe Cu Pb Zn max 0.07 64.5 - 67.5 max 0.3 32.13 - 35.5
Comment: Zn is a basis; the percentage of Zn is given approximately. Mechanical properties under Т=20o С of the material L66 ( , Л66 ) .
Assortment
Dimension
Direct.
s в
s T
d 5
y
KCU
Heat treatment - mm - MPa MPa % % kJ / m2 - soft 320 48 hard 700 4
Physical properties of the material L66 ( , Л66 ) . 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 1.03 119.74 8470 69 100 20.1 376.81
Technological properties of the material L66 ( , Л66 ) . Melting temperature, °C : 905 - 935
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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