NH9 (Chromel K)
wire for compensatory wires
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Nickel, nickel alloys |
Nickel alloys |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mg, % |
Bi, % |
Mn, % |
Co, % |
Cr, % |
Cu, % |
Sb, % |
Al, % |
Pb, % |
As, % |
P, % |
C, % |
S, % |
Ni + Co, % |
|---|
| GOST 492-2006 |
< 0.3 |
< 0.4 |
< 0.05 |
< 0.002 |
< 0.3 |
0.4–1.2 |
8.5–10 |
< 0.25 |
< 0.002 |
< 0.15 |
< 0.002 |
< 0.002 |
< 0.003 |
< 0.2 |
< 0.01 |
87.4–91.1 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
12.8 |
8700 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\epsilon_L$$, % |
Treatment |
|---|
| Alloy |
|
|
|
soft |
600–700 |
34–45 |
|
| Alloy |
|
|
|
solid |
1100 |
3 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Alloy |
|
soft |
150–200 |
| Alloy |
|
solid |
300 |
Casting and technological parameters
| melting point, °C |
the temperature of the casting, °C |
annealing temperature, °C |
|---|
| 1435 |
1550 |
800–850 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mg |
% |
Magnesium |
| Bi |
% |
Bismuth |
| Mn |
% |
Manganese |
| Co |
% |
Cobalt |
| Cr |
% |
Chrome |
| Cu |
% |
Copper |
| Sb |
% |
Antimony |
| Al |
% |
Aluminium |
| Pb |
% |
Lead |
| As |
% |
Arsenic |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Ni + Co |
% |
Nickel + Cobalt |
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 |
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 |
| the temperature of the casting |
°C |
The temperature of the molten polymer is extruded from the heating cylinder into the mold |
| annealing temperature |
°C |
The temperature at which the processes return recrystallization and homogenization of the metal to reduce its hardness for subsequent machining |