Silicon Steel CRGO for Transformers Manufacturing

• Type: Oriented Silicon Steel
• Standard: GB, AISI, ASTM, DIN, BS, JIS
• Technique: Cold Rolled
• Shape: EI Lamination
• Packing: Export Standard Packing
• Brand: Promisteel
• Model NO.: PM-E-005
• Cargo Ready: Within 30 Days
• Delivery Port: Tianjin, Shanghai, Qingdao
• Payment: LC, Tt
• Usage: Transformer Making
• Coil Width: Any Width You Want
• Coil Weight: 2-5mt
• Transport Package: Standard Seaworthy Package
• Specification: Thickness 0.20-0.30mm
• Trademark: Promisteel
• Origin: China
• Production Capacity: 50000

Product Description

Product Description

Cold-rolled grain-oriented silicon steel, also known as cold-rolled transformer steel, is an important ferrosilicon alloy used in the transformer (iron core) manufacturing industry. Its production process is complicated and its manufacturing technology is strict. It is mainly divided into common grain-oriented silicon steel (CGO) and high magnetic induction grain-oriented silicon steel (HiB).

CRGO VS CRNGO
1. Different in nature

Oriented silicon steel, also known as cold-rolled transformer steel, is an important ferrosilicon alloy used in the transformer (iron core) manufacturing industry. Non-oriented silicon steel is a ferrosilicon alloy with very low carbon content, and its grains are randomly distributed in the steel plate after deformation and annealing.

2. Different characteristics

The magnetism of grain-oriented silicon steel has strong directionality, the iron loss value is the lowest in the rolling direction, the magnetic permeability is the highest, and it has a high magnetic induction value under a certain magnetization field. The silicon content of grain-oriented silicon steel is about 3%, and the content of oxide inclusions in the steel is required to be low, and it must contain some kind of inhibitor (MnS, A1N ).
Non-oriented silicon steel is a ferrosilicon alloy containing 0.8%-4.8% silicon, which is hot-rolled and cold-rolled into a silicon steel sheet with a thickness of less than 1mm. Adding silicon can increase the resistivity and maximum permeability of iron, and reduce the coercive force, core loss (iron loss) and magnetic aging.

3. The production process is different

Oriented silicon steel is smelted in an oxygen converter, and the billet is rolled into finished product thickness through hot rolling, normalization, cold rolling, intermediate annealing and secondary cold rolling, then decarburization annealing and high temperature annealing, and finally coated with an insulating layer. Pre-desulfurization of molten iron, secondary desulfurization by adding Ca0+CaF: flux or rare earth elements and calcium during converter blowing. The boiling molten steel is decarburized by vacuum treatment and then further desulfurized. Ferrosilicon with low titanium and zirconium content is selected for alloying.

Detailed Information

item	value
Type	Oriented Silicon Steel
Technique	Cold Rolled
Thickness
Surface Treatment	Annealed
Shape	EI Lamination
Standard	JIS
Place of Origin	China
Model Number	B23G110
Tolerance	±3%
Processing Service	Bending, Welding, Decoiling, Cutting, Punching
Grade	High
Delivery Time	31-45 days
Application	Transformer Core

 

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FAQ

1. Who are we?
   We are based in Tianjin, China, start from 2018,sell to Mid East(35.00%),Africa(30.00%),Eastern Asia(15.00%),South
   Asia(15.00%),Domestic Market(3.00%),South America(2.00%). There are total about 11-50 people in our office.
2. How can we guarantee quality?
   Always a pre-production sample before mass production;
   Always final Inspection before shipment;
3. What can you buy from us?
   Hot rolled steel,Cold rolled steel, Galvanized & Coated Steel,Stainless Steel,Long Products
4. Why should you buy from us not from other suppliers?
   (1)Strong Sense of Commitment
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   (3)Stable and Qualified Supply Chain
   (4)QC and Loading Inspection
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