BrH

The temperature of the hot processing of semi-finished products 700−950 degrees Celsius.

For heat exchangers, for resistance welding electrodes of carbon steel

Classification

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

Chemical composition

Standard Fe, % Cr, % Cu, % Zn, %
GOST 614-97 < 0.08 0.4–1 98.5–99.6 < 0.3

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 1.31 17 314 8920 22

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ δ, % d5, % Treatment
Round GOST 614-97 441 69 2156 412 34

Standards

Standard Description
GOST 614-97

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Cr % Chrome
Cu % Copper
Zn % Zinc

Description of physical characteristics

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
δ % Elongation after rupture
d5 % Elongation at break
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\psi$$ % Reduction in cross section on fracture
$$KCU\cdot 10^{3}$$ $$\frac{J}{m^2}$$ Impact toughness
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