σU
MPa
ψ
Hc
A/m
B500
T
B1000
T
B2500
T

11850

Hardness Grade hot rolled. (GOST 11036−75): HB 10 ^-1 = 131 MPa

For use in magnetic circuits of the electrical apparatus and appliances

Classification

Country	Section	Category
Country	Section	Category
CIS, Russia, Ukraine	Electrical steel	Unalloyed electrical steel

Chemical composition

Standard	Fe, %	Si, %	Mn, %	Cu, %	P, %	C, %	S, %
Standard	Fe, %	Si, %	Mn, %	Cu, %	P, %	C, %	S, %
GOST 11036-75	99.1–99.5	< 0.3	< 0.3	< 0.3	< 0.02	< 0.035	< 0.03

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Mechanical properties at 20 °C

Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\psi$ , %	d5, %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\psi$ , %	d5, %	Treatment
Variety hot rolled.	GOST 11036-75				270	60	24
The variety is calibrated.	GOST 11036-75				350		4

Magnetic properties

Rolling	$H_c$ , $A/m$	$B_{500}$ , $T$	$B_{1000}$ , $T$	$B_{2500}$ , $T$
Rolling	$H_c$ , $A/m$	$B_{500}$ , $T$	$B_{1000}$ , $T$	$B_{2500}$ , $T$
Grade	50	1.44	1.53	1.62

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Variety hot rolled.	GOST 11036-75		1310

Standards

Standard	Description
Standard	Description
GOST 11036-75

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
Cu	%	Copper
P	%	Phosphorus
C	%	Carbon
S	%	Sulfur

Description of mechanical properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
d5	%	Elongation at break
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\psi$	%	Reduction in cross section on fracture

Description of magnetic properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
$H_c$	$A/m$	Magnetic coercivity (not more)
$B_{500}$	$T$	Magnetic induction (not less) in a magnetic field while magnetic field strength is 500 A/m
$B_{1000}$	$T$	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