09H16N16MV2BR (EP184, H16N16MB2BR)

superheater tubes, steam lines, sewers, long operating at temperatures of 600−700 degrees.

Classification

Country Section Category
CIS, Russia, Ukraine Heat resistant steels and alloys Heat resistant high alloy steel

Chemical composition

Standard Fe, % Si, % B, % Mn, % Cr, % Ni, % P, % C, % S, % Nb, % Mo, % W, %
TU 14-3-207-81 59.535–66.94 < 0.8 < 0.005 < 0.6 15–17 15–17 < 0.03 0.06–0.11 < 0.02 0.6–1 0.4–0.9 2–3
TU 14-1-359-72 59.55–66.94 < 0.8 < 0.005 < 0.6 15–17 15–17 < 0.02 0.06–0.11 < 0.015 0.6–1 0.4–0.9 2–3

Information on suppliers

Physical characteristics

Temperature, °C $$\alpha\cdot 10^{6}$$, $$K^{-1}$$ $$\varkappa$$, $$\frac{W}{m\cdot K}$$ $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 13.82 8120 0.82
100 17.1 15.07 0.87
200 17.1 16.33 0.934
300 17.6 17.17 0.98
400 17.9 18.84 1.031
500 18.2 20.52 1.071
600 18.5 22.61 1.111
700 18.8 24.7
800 19.1
900 19.2

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\sigma_{P}$$, $$MPa$$ $$\epsilon_L$$, % $$\psi$$, % $$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ Treatment
Trumpet Longitudinal 530 240 38 50 1400

Standards

Standard Description
TU 14-3-207-81
TU 14-1-359-72

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
B % Bor
Mn % Manganese
Cr % Chrome
Ni % Nickel
P % Phosphorus
C % Carbon
S % Sulfur
Nb % Niobium
Mo % Molybdenum
W % Tungsten

Description of physical characteristics

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
$$R\cdot 10^{-6}$$ $$\Omega\cdot m$$ Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\sigma_{P}$$ $$MPa$$ Proportionality limit
$$\epsilon_L$$ % Elongation at break (longitudinal)
$$\psi$$ % Reduction in cross section on fracture
$$KCU\cdot 10^{3}$$ $$\frac{J}{m^2}$$ Impact toughness