21864

Hardness 21864 Hot-rolled Grade (GOST 11036) HB 10 ^-1 = 131 MPa.

for use in magnetic circuits of electric devices and instruments

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	> 99.015	< 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	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
Rolling	Standard	Size, mm	Tension	Classifiers	$\sigma _{U}$ , $MPa$	$\epsilon_L$ , %	$\psi$ , %	Treatment
Metal rolling	GOST 11036-75			hot rolling	270	24	60
Metal rolling	GOST 11036-75			calibrated	350	4

Magnetic properties

Rolling	Dimensions, $mm$	$H_c$ , $A/m$	$\mu_{max}$ , $MH/m$	$B_{500}$ , $T$	$B_{1000}$ , $T$	$B_{2500}$ , $T$	$B_{5000}$ , $T$	$B_{10000}$ , $T$	$B_{30000}$ , $T$
Rolling	Dimensions, $mm$	$H_c$ , $A/m$	$\mu_{max}$ , $MH/m$	$B_{500}$ , $T$	$B_{1000}$ , $T$	$B_{2500}$ , $T$	$B_{5000}$ , $T$	$B_{10000}$ , $T$	$B_{30000}$ , $T$
Sheet	0.1–3.9	64	5.6	1.38	1.5	1.62	1.71	1.81	2.05
Grade		64		1.4	1.5	1.6

Brinell hardness number

Rolling	Standard	Classifiers	Value, HBW
Rolling	Standard	Classifiers	Value, HBW
Metal rolling	GOST 11036-75	hot rolling	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
$\sigma _{U}$	$MPa$	Ultimate tensile strength
$\epsilon_L$	%	Elongation at break (longitudinal)
$\psi$	%	Reduction in cross section on fracture

Description of magnetic properties

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
Dimensions	$mm$
$H_c$	$A/m$	Magnetic coercivity (not more)
$\mu_{max}$	$MH/m$	Magnetic permeability (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
$B_{5000}$	$T$	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