BrMg0.3

Electric motor collectors, resistance welding machine parts and other parts

Magnesium bronze. High electrical conductivity and heat resistance

Classification

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

Chemical composition

Standard	Mg, %	Cu, %
Standard	Mg, %	Cu, %
GOST 614-97	0.2–0.5	99.3–99.6

Information on suppliers

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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	1.23	17.6	243	8910	24

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\psi$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\psi$ , %	Treatment
Round	GOST 614-97				490	3

Analogues

Germany	USA
Germany	USA
CuMg0.4	C18665

Standards

Standard	Description
Standard	Description
GOST 614-97
GOST 18175-78
GOST 4134-15

Description of chemical elements

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

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
$\psi$	%	Reduction in cross section on fracture