NKa0.07
cathodes for vacuum devices
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Nickel, nickel alloys |
Low alloyed nickel alloys |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mg, % |
Ca, % |
Mn, % |
Cu, % |
Zn, % |
C, % |
Ni + Co, % |
|---|
| GOST 19241-80 |
< 0.02 |
< 0.01 |
< 0.01 |
0.05–0.1 |
< 0.01 |
< 0.02 |
< 0.004 |
< 0.15 |
< 99.65 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\epsilon_L$$, % |
Treatment |
|---|
| Tape |
|
|
|
annealing |
350 |
20 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Alloy |
|
soft |
0–0 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mg |
% |
Magnesium |
| Ca |
% |
Calcium |
| Mn |
% |
Manganese |
| Cu |
% |
Copper |
| Zn |
% |
Zinc |
| C |
% |
Carbon |
| Ni + Co |
% |
Nickel + Cobalt |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |