BanmoreCore: High-Quality Transformer Cores for Superior Performance

BanmoreCore is the ideal choice for anyone looking to maximize the performance and lifespan of their transformers, while also lowering energy consumption and operational costs.

CRGO Electrical Steel Transformer Lamination

For power & distribution transformers up to 100 MVA. With guaranteed losses. Step-Lap cores in Completely automated CNC cut to length lines

Complete Assembled cores

As per the design required by our customers. With achieved losses. Very job tested with No Load Losses Complete traceability of material and testing record Up to 20 MVA size transformer

CRGO Electrical Steel in coils/Slit coils

All grades of CRGO steel available. With test certificates. By state of the art, Automated Laser guided Slitting line with tungston carbide.

CRGO Wound core/GAP CORE

As per the design required by our customers. With achieved losses.

Cold Rolled Grain Oriented electrical (CRGO) is used for manufacturing for Laminations and Wound Cores

Various grades of CRGO steel such MOH23, M3, M4, M5, M6 , HI-B , TCHO/ THCI, MOH27 etc

CRGO Electrical Steel Transformer Lamination

  • For power & distribution transformers up to 100 MVA.
  • With guaranteed losses.
  • Step-Lap cores in Completely automated CNC cut to length lines

Complete Assembled cores :

  • As per the design required by our customers.
  • With achieved losses.
  • Very job tested with No Load Losses 
  • Complete traceability of material and testing record 
  • Up to 20 MVA size transformer

CRGO Electrical Steel in coils/Slit coils:

  • All grades of CRGO steel available.
  • With test certificates.
  • By state of the art, Automated Laser guided Slitting line with tungston carbide.

CRGO Wound core/GAP CORE :

  • As per the design required by our customers.
  • With achieved losses.

Cold Rolled Grain Oriented electrical (CRGO) is used for manufacturing for Laminations and Wound Cores:

Various grades of CRGO steel such MOH23, M3, M4, M5, M6 , HI-B , TCHO/ THCI, MOH27 etc

Properties of CRGO and Tolerance of Laminated core »

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CRGO Electrical Steel Transformer Lamination

  • For power & distribution transformers up to 100 MVA.
  • With guaranteed losses.
  • Step-Lap cores in Completely automated CNC cut to length lines

CRGO Electrical Steel in coils/Slit coils:

  • All grades of CRGO available.
  • With test certificates.
  • By state of the art, Automated Laser guided Slitting line with tungston carbide.

CRGO Electrical Steel Transformer Lamination

  • For power & distribution transformers up to 100 MVA.
  • With guaranteed losses.
  • Step-Lap cores in Completely automated CNC cut to length lines

CRGO Electrical Steel in coils/Slit coils:

  • All grades of CRGO available.
  • With test certificates.
  • By state of the art, Automated Laser guided Slitting line with tungston carbide.

Complete Assembled cores :

  • As per the design required by our customers.
  • With achieved losses.

CRGO Wound core/GAP CORE :

  • As per the design required by our customers.
  • With achieved losses.

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Physical Properties Of CRGO

Density gm/c37.65
Silicon content %3.10
Resistivity micro Ohm-centimeter
48.00
Ultimate Tensile Strength 0° to Rolling Direction Kg/mm232.60
Ultimate Tensile Strength 90° to Rolling Direction Kg/mm238.20
Stacking factor % M4 (.27 mm)96.00
Stacking factor % M5 (.30 mm)96.50
Stacking factor % M6 (.35 mm)97.00

Tolerances In Dimentions & Shape - Conform to JIS C 2553

Width mmThickness mm Thickness mm Deviation of thickness in transverse direction
Width
mm
Camber in any 2 metres
(Slit Products)
mm
Shear Burr mm
150 or under0.18
0.20
0.23
0.27
0.30
0.35
+0.02
+0.02
+0.02
+0.03
+0.03
+0.03
0.02 or under+0.20
over 150
to 400
0.18
0.20
0.23
0.27
0.30
0.35
+0.02 +0.02
+0.02
+0.03
+0.03
+0.03
0.02
or under
+0.301.0 or under 0.05
or under
over 400
to 750
0.18
0.20
0.23
0.27
0.30
0.35
+0.02
+0.02
+0.02
+0.03
+0.03
+0.03
0.03
or under
+0.50
over 750 0.18
0.20
0.23
0.27
0.30
0.35
+0.02
+0.02
+0.02
+0.03
+0.03
+0.03
0.03
or under
+0.6
0
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