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Cold rolled grain oriented steel

Cold-rolled oriented silicon steel is electrical steel containing 2.9% to 3.5% Si, used in transformer core manufacturing.

Reference Price: $650
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Cold-rolled Oriented Silicon Steel Brief Introduction

Cold-rolled oriented silicon steel is an important type of silicon steel used in transformer core manufacturing. It is widely applied in power transformers, electronic devices, and other related fields.

CRGO steel exhibits strong magnetic directionality, featuring the lowest iron loss, highest magnetic permeability, and high magnetic flux density in the rolling direction. It contains about 3% silicon and requires low oxide inclusions and specific inhibitors, such as MnS and AlN.

CRGO steel price

Features

The (110) plane of its crystal is parallel to the plane of the steel strip, and the easily magnetized <001> axis is parallel to the rolling direction. Grain-oriented silicon steel contains about 3% silicon. Manufacturers ensure that the steel has low oxide inclusion content and add specific inhibitors such as MnS and AlN. The magnetism of grain-oriented silicon steel has strong directionality, with the lowest iron loss value in the rolling direction, the highest magnetic permeability, and a high magnetic induction value under a certain magnetizing field.

 

Preparation method

Oriented silicon steel is produced using a basic oxygen furnace for melting. The steel ingots undergo hot rolling, normalizing, cold rolling, intermediate annealing, and secondary cold rolling to achieve the final thickness. The process then includes decarburization, annealing and high-temperature annealing, followed by coating with an insulating layer.This process induces tensile stress in the base steel strip, further reducing iron loss. The cold-rolled strip has a smooth surface, good stamping performance, and a high core filling factor.

 

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Specification Parameters
Basic Information
Product Name
Cold Rolled Grain Oriented Silicon Steel
Standard
B23G110, B27G120, B35G155, B23R080-B27R095
Thickness
0.23mm-0.35mm
Width
20mm-1250mm
Length
Coil Or As Required
Technique
Cold Rolled
Surface Treatment
Coated
Application
Widely used in transformers, generators, various household motors and micro-motors, etc.
Special Use
Silicon Steel
Sample
For Free (Within 10 KG)
Service Support
Cold rolled grain oriented steel

About Packing And Delivery

1.Standard Sea Worthy Packing 3 layers of packaging, kraft paper inside, water plastic film in the middle, the outermost tied with steel belt or as required.
2.Shipping port: Tianjin/Shanghai/Qingdao
3.Shipment:
a. Length: ≤6m, loaded in 20GP Container.
b. Length: ≤12m, loaded in 40GP Container.
Remark: Size of 20GP Container (inside :5898*2352*2393mm)
Size of 40GP Container (inside:12032*2352*2393mm)
Size of 40HQ Container (inside:12032*2352*2698mm)
4.Delivery time: Within 10-25 days, depending on the situation.

FAQ

Q1. Are you a manufacturer or trading company?
A1: GNEE is a group with 16 years of steel export experience. As an enterprise integrating investment, research and development, production and sales, GNEE Group is currently the most influential enterprise in the field of various steel products.

Q2. How to ensure quality?
A2: The production management of our factory is strictly implemented in accordance with ISO9001 standards. We have a QC team of 50 people, providing a full range of QC services from raw material inspection, production process supervision to finished product inspection. Factory test certification is included with shipment. Third party inspection can be provided if required.

Q3. Can we get samples to test the quality?
A3: Yes, of course. As long as you contact us, we can provide sample sheets for you to check and test. If the specifications are normal, we will send the sample within 3 working days. You just need to send us your detailed shipping address (including zip code) and your DHL/FedEx/UPS account to collect the samples, and the express fee will be paid by you. If needed, you can also pay shipping costs online.

Q4: What are the main products of your factory?
A4: Our main product is silicon steel.