Electrical Steel (NGO)


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Electrical Steels are ultra low carbon steels (with <4% Silicon to reduce core losses).  The  Non-Grain Oriented (NGO) type electrical steels are those with near-isotropic properties. They are lower in cost but produce higher core losses. They are used mostly in Electric Motors. Their properties are sensitive to trace impurities, which differ from manufacturer to manufacturer. So MagWeb lists them by each manufacturer, irrespective of their grade. For a full list of all grades, click the searchable ‘Steels List’ on the home page. 

This zipped folder contains 1223 excel files on magnetic properties of all NGO steels.  It has 634 B(H) Data Sets and 589 Core Loss Data Sets.

Version 6 added a data smoother.  It is not unusual for measured data to be rough. Rough data can slow solution convergence.  To prevent such slowdown, MagWeb locates all rough spots in all raw data and spot-cleans them. It also extrapolates all smoothed data to saturation.  You can download Saturation Flux Density Js of thousands of Grades from the ‘Steels List’.

By downloading, you will have 1223 files of magnetic properties of all NGO electrical steels produced worldwide at your finger-tips! Please review the SMAG – Materials link for a complete listing of all the NGO steels in this folder.

For more technical info on the magnetic properties of NGO steels, please download the Steel Handbook.    

This website is designed for an automated download of Folders (containing the magnetic properties) via credit card. If you wish to purchase via quote/purchase order, please email rao@magweb.us


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