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

Standard Description
GOST 19241-80

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)