2012

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

Classification

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

Chemical composition

Standard	Fe, %	Si, %
Standard	Fe, %	Si, %
GOST 21427.2-83	> 99.6	< 0.4

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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	7850	140

Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	Treatment
Sheet	GOST 21427.2-83			cold rolling	290–490	15–35

Magnetic properties

Rolling	Dimensions, $mm$	$P_{1.0/50}$ , $W/kg$	$P_{1.5/50}$ , $W/kg$	$B_{1000}$ , $T$	$B_{2500}$ , $T$	$B_{5000}$ , $T$	$B_{10000}$ , $T$	$B_{30000}$ , $T$
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	3.6	8	1.5	1.62	1.72	1.82	2.02
Sheet cold rolled.	0.5	2.9	6.5	1.5	1.62	1.72	1.82	2.02

Standards

Standard	Description
Standard	Description
GOST 21427.2-83

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 mechanical properties

Parameter	Units of measurement	Description
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
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