Orientation electrical steel

20 Apr 2023
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Orientation electrical steel, also known as cold-rolled oriented silicon steel, is a cold-rolled electrical steel containing 2.9% to 3.5% Si, and the crystal organization of the steel plate has a certain pattern and direction. Grain Oriented Electrical Steel is an indispensable soft magnetic material for the electric power industry, mainly used in transformers, rectifiers, reactors and large motors and other industries.

Cold-rolled oriented silicon steel plate crystal organization has a certain pattern and direction of cold-rolled electrical steel. The carbon content does not exceed 0.08% and may contain no more than 1.0% aluminum, the proportion of other elements contained does not give it the characteristics of other alloy steels; the thickness does not exceed 0.56 mm; in coil form, it may be of any width; in plate form, its width is at least ten times the thickness. Generally refers to mono-orientated silicon steel sheets having a Gaussian weave, i.e. (110) silicon steel with the crystalline plane parallel to the rolling plane and [001] the crystalline direction parallel to the rolling direction.

Orientation electrical steel production process: ore --- iron making --- steel making --- hot rolling --- pickling --- cold rolling --- annealing --- cold rolled silicon steel (orientation electrical steel).

Ordinary type
Series Nominal thickness (mm) Baosteel WISCO NSC JFE Congent TKS Posco NI & SCo AK
Ordinary type 0.23 B23G110 23Q105              
    23Q110 23Z110     C110-23   NV23S-110  
  B23G120       M120-23S5 C120-23   NV23S-120 M-3
          M127-23S5 C127-23   NV23S-127  
0.27             27PG110 NV27S-110  
  B27G120 27Q120 27Z120 27JG120   C120-27 27PG120 NV27S-120 M-4
  B27G130 27Q130 27Z130 27JG130 M130-27S5 C130-27 27PG130 NV27S-130 M-4
    27Q140     M140-27S5 C140-27   NV27S-14  
0.30             30PG110    
  B30G120 30Q220 30Z120 30JG120     30PG120 NV30S-120  
  B30G130 30Q180 30Z130 30JG130   C130-30 30PG130 NV30S-130  
  B30G140 30Q160 30Z140 30JG140 M140-30S5 C140-30 30PG140 NV30S-140 M-5
    30Q150     M150-30S5 C150-30     M-5
0.35 B35G135 35Q135 35Z135 35JG135       NV35S-130  
  B35G145 35Q145 35Z145 35JG145 M150-35S5 C150-35 35PG145 NV35S-145 M-6
  B35G155 35Q155 35Z155 35JG155 M165-35S5 C165-35 35PG155   M-6

High magnetic susceptibility type
Series Nominal thickness (mm) Baosteel WISCO NSC JFE Congent TKS Posco NI & SCo AK
High magnetic susceptibility type 0.23 B23P090 23QG090 23ZH090 23JGS090 23JGH090 M90-23P5 H090-23 23PH090    
  B23P095 23QG095 23ZH095 23JGS095 23JGH095   H095-23 23PH095    
  B23P100 23QG100 23ZH100 23JGH100 M100-23P5 H100-23 23PH100   H-0
0.27           H090-27      
  B27P095 27QG095 27ZH095     H095-27 27PH095    
  B27P100 27QG100 27ZH100 27JGH100 M103-27P5 H103-27 27PH110 NV27P-100  
  B27P110 27QG110 27ZH110 27JGH110         H-1
0.30 B30P100 30QG100 30ZH100 30JGH100     30PH100    
  B30P105 30QG105 30ZH105 30JGH105 M105-30P5 H105-30 30PH105 NV30P-105  
  B30P110 30QG110 30ZH110 30JGH110 M111-30P5 H111-30      
  B30P120 30QG120 30ZH120 30JGH120 M117-30P5        
0.35 B35P115   35ZH115 35JGS115 35JGH115     35PH115    
  B35P125   35ZH125 35JGS125 35JGH125     35PH125    
  B35P135   35ZH135 35JGH135     35PH135    

Magnetic domain refinement high magnetic susceptibility type
Series Nominal thickness (mm) Baosteel WISCO NSC JFE Congent TKS Posco NI & SCo AK
Magnetic domain refinement high magnetic susceptibility type 0.23 B23R080   23ZDKH80 23ZDMH80 23JGSD80     23PHD080    
  B23R085   23ZDKH85 23ZDMH85 23JGSD85   H085-23 23PHD085    
  B23R090   23ZDKH90 23ZDMH90 23JGSD90   H090-23     H-0DR
0.27 B27R090   27ZDKH90 27ZDMH90 27JGSD90   H090-27 27PHD090    
  B27R095   27ZDKH95 27ZDMH95 27JGSD95     27PHD095   H-1DR
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