1212

Hot-rolled sheet steel, designed for magnetic circuits of electrical machines

Classification

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

Chemical composition

Standard Fe, % Si, %
GOST 21427.3-75 98.2–99.2 0.8–1.8

Information on suppliers

Physical characteristics

Temperature, °C $$\rho$$, $$\frac{kg}{m^3}$$ $$R\cdot 10^{-6}$$, $$\Omega\cdot m$$
20 7800 250

Magnetic properties

Rolling Dimensions, $$mm$$ $$P_{1.0/50}$$, $$W/kg$$ $$P_{1.5/50}$$, $$W/kg$$ $$B_{2500}$$, $$T$$ $$B_{5000}$$, $$T$$ $$B_{10000}$$, $$T$$ $$B_{30000}$$, $$T$$
Sheet hot rolled. 1 5.4 12.5 1.53 1.62 1.76 2
Sheet hot rolled. 0.5 3.1 7.2 1.5 1.62 1.75 1.98

Standards

Standard Description
GOST 21427.3-75

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 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
$$B_{2500}$$ $$T$$ 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
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