HN20YUS
for heaters with a maximum working temperature of 1100 degrees C industrial furnaces and various electrical heating devices
Classification
Country |
Section |
Category |
CIS, Russia, Ukraine |
Precision alloys |
With high electrical resistance |
Chemical composition
Standard |
Fe, % |
Si, % |
Ca, % |
Mn, % |
Cr, % |
Ti, % |
Ni, % |
Zr, % |
Al, % |
Ce, % |
P, % |
C, % |
S, % |
GOST 10994-74 |
51.77–58.2 |
2–2.7 |
< 0.1 |
0.3–0.8 |
19–21 |
< 0.2 |
19.5–21.5 |
< 0.2 |
1–1.5 |
< 0.1 |
< 0.03 |
< 0.08 |
< 0.02 |
Information on suppliers
Physical characteristics
Temperature, °C |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
$$c\cdot 10^{-3}$$, $$\frac{J}{kg\cdot K}$$ |
$$R\cdot 10^{-6}$$, $$\Omega\cdot m$$ |
20 |
|
7700 |
|
1.02 |
100 |
19 |
|
0.48 |
|
Mechanical properties at 20 °C
Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\epsilon_L$$, % |
Treatment |
Wire |
|
|
|
|
780 |
25 |
|
Tape |
|
0.1–3.2 |
|
|
736 |
25 |
|
Casting and technological parameters
Analogues
Standards
Description of chemical elements
Element |
Units of measurement |
Description |
Fe |
% |
Iron |
Si |
% |
Silicon |
Ca |
% |
Calcium |
Mn |
% |
Manganese |
Cr |
% |
Chrome |
Ti |
% |
Titan |
Ni |
% |
Nickel |
Zr |
% |
Zirconium |
Al |
% |
Aluminium |
Ce |
% |
Cerium |
P |
% |
Phosphorus |
C |
% |
Carbon |
S |
% |
Sulfur |
Description of physical characteristics
Parameter |
Units of measurement |
Description |
$$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
Coefficient of thermal (linear) expansion (range 20°C–T) |
$$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
$$c\cdot 10^{-3}$$ |
$$\frac{J}{kg\cdot K}$$ |
The specific heat of the material (range 20°C–T) |
$$R\cdot 10^{-6}$$ |
$$\Omega\cdot m$$ |
Electrical resistivity |
Description of mechanical properties
Parameter |
Units of measurement |
Description |
$$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
$$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |
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 |