BrNHK

Temperature hot processing 750−950 degrees Celsius.

Rings of pipe-welding machines, electrodes, heat exchangers, crystallizers, fasteners, tools

Classification

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

Information on suppliers

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Physical characteristics

Temperature, °C	$E\cdot 10^{9}$ , $MPa$	$\varkappa$ , $\frac{W}{m\cdot K}$	$\rho$ , $\frac{kg}{m^3}$	$R\cdot 10^{-6}$ , $\Omega\cdot m$
20	1.4	196	8850	37.2

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\sigma_{Y}$ , $MPa$	$\psi$ , %	d5, %	Treatment
Round	GOST 614-97				800	780	50	10

Standards

Standard	Description
GOST 614-97

Description of physical characteristics

Parameter	Units of measurement	Description
$E\cdot 10^{9}$	$MPa$	Elastic modulus
$\varkappa$	$\frac{W}{m\cdot K}$	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
d5	%	Elongation at break
$\sigma_{Y}$	$MPa$	Yield strength
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\psi$	%	Reduction in cross section on fracture