1212

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

Classification

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

Chemical composition

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

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Physical characteristics

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

Magnetic properties

Rolling	Dimensions, $mm$	$P_{1.0/50}$ , $W/kg$	$P_{1.5/50}$ , $W/kg$	$B_{2500}$ , $T$	$B_{5000}$ , $T$	$B_{10000}$ , $T$	$B_{30000}$ , $T$
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
Standard	Description
GOST 21427.3-75

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon

Description of physical characteristics

Parameter	Units of measurement	Description
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
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