20832

Weldability without restrictions.

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, %	C, %
Standard	Fe, %	Si, %	Mn, %	C, %
GOST 3836-83	> 99.36	< 0.3	< 0.3	< 0.04

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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	0.7–3.9	32	6.3	1.38	1.5	1.62	1.71	1.81	2.05

Technological Properties

Weldability
Weldability
no limits

Standards

Standard	Description
Standard	Description
GOST 3836-83

Description of chemical elements

Element	Units of measurement	Description
Element	Units of measurement	Description
Fe	%	Iron
Si	%	Silicon
Mn	%	Manganese
C	%	Carbon

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

Designation of types of weldability

Parameter	Units of measurement	Description
Parameter	Units of measurement	Description
no limits		Welding is performed without heating and without subsequent heat treatment
Boundedly welded		Welding is possible with heating up to 100–120 °C and subsequent heat treatment
Difficult to weld		For obtaining quality welded joints, additional operations are required: heating up to 200–300 °C for welding, heat treatment after welding — annealing
Not applicable for welded structures