for valves employed in sea water, water vapour


Country Section Category
CIS, Russia, Ukraine Bronze Tin cast bronze

Information on suppliers

Physical characteristics

Temperature, °C $$E\cdot 10^{9}$$, $$MPa$$ $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$
20 0.84 62.8 8700
100 16.71 364.3

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{Y}$$, $$MPa$$ $$\sigma_{0.5}$$, $$MPa$$ Treatment
Casting in sandy form 175 8
Casting in sandy form 205 176 5

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Alloy 59

Casting and technological parameters

melting point, °C

Coefficients of Friction

coefficient of friction with lubrication coefficient of friction without lubrication
0.028 0.24


Standard Description
GOST 613-79

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
$$c\cdot 10^{-3}$$ $$\frac{J}{kg\cdot K}$$ The specific heat of the material (range 20°C–T)

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma_{Y}$$ $$MPa$$ Yield strength
$$\sigma_{0.5}$$ $$MPa$$ Tensile stress required to produce a total elongation of 0.5%
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength

Description of the casting and technological parameters

Parameter Units of measurement Description
melting point °C The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa