Electrical Steel Products
Electrical Steel Products
Electrical Steel Products
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Electrical Steel Products
Electrical Steel Products
Electrical Steel Products
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Steel
(CRGO) Cold Rolled Grain Oriented

Steel
(CRGO)
Cold Rolled
Grain Oriented

CRGO Steel materials come in two forms: Coils and sheets. Rohan Group supplies CRGO coils and slit coils ranging from 2” – 36” widths. A full width coils can weight up to 6 metric tons each. This unique steel is available in various thicknesses ranging from 0.18MM – 0.35 MM and more commonly has come to be referred to globally by grades M2-M6.

CRGO steel is used in manufacturing the magnetic core for power and distribution transformers. Working with this unique and specialized steel, we are able to provide our customer full-width CRGO coils & slit coils for their transformer production needs. We offer full width and slit coils made in USA & Europe in Prime, Near Prime & other various grades. Cold-rolled grain-oriented steel is often abbreviated to CRGO. The growing demands of our customers are met by continually offering an assortment of materials with various core losses w/kg.

Steel Specification Chart

CORE LOSS DATA GUIDELINES

GENERAL CORE LOSSES - Electrical Steels Grain Oriented

Grades

M-3

M-4

M-5

M-6

Thickness

Inch

mm

0.009

0.23

0.0106

0.27

0.0118

0.30

0.0138

0.35

Maximum Core Loss at 15kg (1.5T)

W / lb

W / kg

60Hz

50Hz

60Hz

50Hz

0.44

0.36

0.97

0.79

0.53

0.40

1.17

0.89

0.58

0.44

1.28

0.97

0.66

0.50

1.46

1.11

Steel Specification Chart

CORE LOSS DATA GUIDELINES

GENERAL CORE LOSSES
Electrical Steels Grain Oriented

Grade: M-3

Thickness: 0.009 inch / 0.23 mm

Maximum Core Loss at 15kg (1.5T)

W / lb

60 Hz: 0.44

50 Hz: 0.36

W / kg

60 Hz: 0.97

50 Hz: 0.79

Grade: M-4

Thickness: 0.0106 inch / 0.27 mm

Maximum Core Loss at 15kg (1.5T)

W / lb

60 Hz: 0.53

50 Hz: 0.40

W / kg

60 Hz: 1.17

50 Hz: 0.89

Grade: M-5

Thickness: 0.0118 inch / 0.30 mm

Maximum Core Loss at 15kg (1.5T)

W / lb

60 Hz: 0.58

50 Hz: 0.44

W / kg

60 Hz: 1.28

50 Hz: 0.97

Grade: M-6

Thickness: 0.0138 inch / 0.35 mm

Maximum Core Loss at 15kg (1.5T)

W / lb

60 Hz: 0.66

50 Hz: 0.50

W / kg

60 Hz: 1.46

50 Hz: 1.11

Product Description

Electrical Steel Slit Coils
(CRGO) Cold Rolled Grain Oriented

Electrical Steel
Master Coils
(CRGO) Cold Rolled
Grain Oriented

Product

Electrical Steel Slit Coils (CRGO) Cold Rolled Grain Oriented

Product

Electrical Steel Master Coils
(CRGO) Cold Rolled Grain Oriented

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