L59

for the manufacture of sheets, rods, tubes

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Brass (copper-zinc alloy)	Brass, pressure treated

Chemical composition

Standard	Fe, %	Sn, %	Bi, %	Cu, %	Zn, %	Sb, %	Pb, %	As, %	P, %
Standard	Fe, %	Sn, %	Bi, %	Cu, %	Zn, %	Sb, %	Pb, %	As, %	P, %
GOST 1652-54	< 0.3	< 0.2	< 0.003	57–60	39.1–43	< 0.01	< 0.5	< 0.01	< 0.01

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Physical characteristics

Temperature, °C	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$
Temperature, °C	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$
20	21	126	8400

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
Alloy				soft	390	44	62
Alloy				solid	500	10	40

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Alloy		solid	0–0
Alloy		Cast	0–0

Casting and technological parameters

linear shrinkage, %	the temperature of the casting, °C	Hot working temperature, °C
linear shrinkage, %	the temperature of the casting, °C	Hot working temperature, °C
1.97	1030–1080	730–820

Coefficients of Friction

coefficient of friction with lubrication	coefficient of friction without lubrication
coefficient of friction with lubrication	coefficient of friction without lubrication
0.012	0.45

Standards

Standard	Description
Standard	Description
GOST 1652-54

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Sn	%	Tin
Bi	%	Bismuth
Cu	%	Copper
Zn	%	Zinc
Sb	%	Antimony
Pb	%	Lead
As	%	Arsenic
P	%	Phosphorus

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\alpha\cdot 10^{6}$	$K^{-1}$	Coefficient of thermal (linear) expansion (range 20°C–T)
$\varkappa$	$\frac{W}{m\cdot K}$	Coefficient of thermal conductivity (the heat capacity of the material)
$\rho$	$\frac{kg}{m^3}$	The density of the material

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)
$\psi$	%	Reduction in cross section on fracture

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
linear shrinkage	%	The difference between model dimensions and the model casting
the temperature of the casting	°C	The temperature of the molten polymer is extruded from the heating cylinder into the mold
Hot working temperature	°C	The temperature at which the plastic-deformed metal recrystallizes during the pressure treatment