Precision alloy 30NKF

No foreign analogues

It is used for the manufacture of parts of high precision instruments requiring dimensional stability in the range of climatic temperatures

Classification

Country Section Category
CIS, Russia, Ukraine Precision alloys Soft Magnetic Precision Alloys

Chemical composition

Standard Fe, % Si, % Mn, % Co, % Ni, % V, % ET, %
GOST 10994-74 48.81–51.6 0.1–0.3 0.1–0.4 18.5–19.5 29.5–30.5 0.2–0.4 < 0.09

Information on suppliers

Physical characteristics

Temperature, °C E\cdot 10^{9}, MPa \rho, \frac{kg}{m^3} R\cdot 10^{-6}, \Omega\cdot m Cp, Дж/кг·К
20 145 8400 510 460

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers \sigma _{U}, MPa \sigma_{Y}, MPa d5, % Treatment
Tape TU 14-1-1168-75 <2.0 Transverse 450–500 190–210 20–25

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Tape TU 14-1-1168-75 180–200

Standards

Standard Description
GOST 10994-74

Description of chemical elements

Element Units of measurement Description
ET % Total other items
Fe % Iron
Si % Silicon
Mn % Manganese
Co % Cobalt
Ni % Nickel
V % Vanadium

Description of physical characteristics

Parameter Units of measurement Description
Cp Дж/кг·К Specific heat of material
E\cdot 10^{9} MPa Elastic modulus
\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
d5 % Elongation at break
\sigma_{Y} MPa Yield strength
\sigma _{U} MPa Ultimate tensile strength