ρ
kgm3
R⋅10−6
Ω⋅m
mm
B1000
T
B2500
T

3421

The chemical composition is not standardized .

cold rolled anisotropic tape designed for magnetic circuits of electrical machines and instruments

Classification

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

Chemical composition

Standard	Fe, %	Si, %
Standard	Fe, %	Si, %
GOST 21427.4-78	96.2–97.2	2.8–3.8

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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	7650	500

Magnetic properties

Rolling	Dimensions, $mm$	$B_{1000}$ , $T$	$B_{2500}$ , $T$
Rolling	Dimensions, $mm$	$B_{1000}$ , $T$	$B_{2500}$ , $T$
Sheet cold rolled.	0.2	1.45	1.7

Standards

Standard	Description
Standard	Description
GOST 21427.4-78

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	$mm$
$B_{1000}$	$T$	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