BrAZhN10-4-4

Pipe boards capacitors, parts of chemical equipment; semi-finished products (rods, tubes, forgings)

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Bronze	Pressureless bronze plated

Chemical composition

Standard	Fe, %	Si, %	Sn, %	Mn, %	Cu, %	Zn, %	Ni, %	Al, %	Pb, %	P, %
Standard	Fe, %	Si, %	Sn, %	Mn, %	Cu, %	Zn, %	Ni, %	Al, %	Pb, %	P, %
GOST 18175-78	3.5–5.5	< 0.1	< 0.1	< 0.3	77.4–83.5	< 0.3	3.5–5.5	9.5–11	< 0.02	< 0.01

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\alpha\cdot 10^{6}$ , $K^{-1}$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	115		80	7500	0.19
100		17.1

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Trumpet					640	5
Round				compacting	640	5

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Trumpet			170–220
Round		compacting	170–220

Casting and technological parameters

melting point, °C	Hot working temperature, °C	annealing temperature, °C
melting point, °C	Hot working temperature, °C	annealing temperature, °C
1084	800–900	700–750

Coefficients of Friction

coefficient of friction with lubrication	coefficient of friction without lubrication
coefficient of friction with lubrication	coefficient of friction without lubrication
0.011	0.23

Analogues

Germany	USA
Germany	USA
2.0966	C63000
2.0976

Standards

Standard	Description
Standard	Description
GOST 18175-78
GOST 1208-14
GOST 1208-90
GOST 1628-78

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Sn	%	Tin
Mn	%	Manganese
Cu	%	Copper
Zn	%	Zinc
Ni	%	Nickel
Al	%	Aluminium
Pb	%	Lead
P	%	Phosphorus

Description of physical characteristics

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$E\cdot 10^{9}$	$MPa$	Elastic modulus
$\alpha\cdot 10^{6}$	$K^{-1}$	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
$R\cdot 10^{-6}$	$\Omega\cdot m$	Electrical resistivity

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)

Description of the casting and technological parameters

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
melting point	°C	The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa
Hot working temperature	°C	The temperature at which the plastic-deformed metal recrystallizes during the pressure treatment
annealing temperature	°C	The temperature at which the processes return recrystallization and homogenization of the metal to reduce its hardness for subsequent machining