BrTsr0.7

The temperature of hot processing semi-finished products 700−900 degrees Celsius.

For collectors of high-loaded and high-speed engines, various parts of radio engineering

Classification

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

Chemical composition

Standard	Cu, %	Zr, %
Standard	Cu, %	Zr, %
GOST 614-97	99.1–99.4	0.6–0.8

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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	16.32	326	8930

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	Treatment
Trumpet	GOST 614-97				400

Standards

Standard	Description
Standard	Description
GOST 614-97

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Cu	%	Copper
Zr	%	Zirconium

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