2112

Thin-sheet cold rolled grain oriented steel, designed for magnetic circuits of electrical machinery, apparatus and appliances

Classification

Country Section Category
CIS, Russia, Ukraine Electrical steel Sulfur Electrotechnical Steel

Chemical composition

Standard Fe, % Si, %
GOST 21427.2-83 99.2–99.6 0.4–0.8

Information on suppliers

Physical characteristics

Temperature, °C $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 7820 0.17

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\epsilon_L$$, % Treatment
Sheet GOST 21427.2-83 cold rolling 300–450 20–35

Magnetic properties

Rolling Dimensions, $$mm$$ $$P_{1.0/50}$$, $$W/kg$$ $$P_{1.5/50}$$, $$W/kg$$ $$B_{1000}$$, $$T$$ $$B_{2500}$$, $$T$$ $$B_{5000}$$, $$T$$ $$B_{10000}$$, $$T$$ $$B_{30000}$$, $$T$$
Sheet cold rolled. 0.65 3.5 8 1.46 1.59 1.67 1.77 2.02
Sheet cold rolled. 0.5 2.6 6 1.46 1.6 1.68 1.77 2.02

Standards

Standard Description
GOST 21427.2-83

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon

Description of physical characteristics

Parameter Units of measurement Description
$$\rho$$ $$\frac{kg}{m^3}$$ The density of the material
$$R\cdot 10^{-6}$$ $$\Omega\cdot m$$ Electrical resistivity

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\epsilon_L$$ % Elongation at break (longitudinal)

Description of magnetic properties

Parameter Units of measurement Description
Dimensions $$mm$$
$$P_{1.0/50}$$ $$W/kg$$ Specific magnetic losses (no more) while the magnetic induction is 1.0 T and frequency is 50 Hz
$$P_{1.5/50}$$ $$W/kg$$ Specific magnetic losses (no more) while the magnetic induction is 1.5 T and frequency is 50 Hz
$$B_{1000}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 1000 A/m
$$B_{2500}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 2500 A/m
$$B_{5000}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 5000 A/m
$$B_{10000}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 10000 A/m
$$B_{30000}$$ $$T$$ Magnetic induction (not less) in a magnetic field while magnetic field strength is 30000 A/m