α⋅106
K−1
ϰ
Wm⋅K
ρ
kgm3
σU
MPa

BrMg0.5

Application: slip rings, collector plates, wires, cables

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Bronze	Bronze, heatproof

Chemical composition

Standard	Fe, %	Mg, %	Cu, %
Standard	Fe, %	Mg, %	Cu, %
GOST 614-97	< 0.05	0.3–0.7	99.2–99.7

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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	17.6	243	8910

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	d5, %	Treatment
Wire	GOST 614-97				250	30

Standards

Standard	Description
Standard	Description
GOST 614-97
TU 48-21-118-72

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Mg	%	Magnesium
Cu	%	Copper

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
d5	%	Elongation at break
$\sigma _{U}$	$MPa$	Ultimate tensile strength