Electrical steel, also known as silicon steel or lamination steel, is a type of soft magnetic material used in the cores of electrical machines. Its primary function is to enhance magnetic properties such as permeability and minimize energy losses due to hysteresis and eddy currents.
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This steel is engineered to have a high electrical resistivity and low core losses, which makes it suitable for use in alternating current (AC) magnetic circuits. It is often alloyed with silicon (Si), typically ranging from 1% to 6.5%, depending on the intended application.
GOES has aligned grains and is used in transformers; NGOES has random grains and is used in rotating machines like motors.
Silicon improves electrical resistivity and reduces core loss due to eddy currents.
Yes, it is fully recyclable and can be reused in manufacturing with minimal performance degradation.
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Lamination is the process of layering thin sheets to reduce eddy currents and improve efficiency.
Electrical steel is a foundational material in modern electrical and electronic infrastructure. Its unique magnetic properties and energy efficiency make it indispensable in transformers, motors, generators, and other core applications. As industries move toward sustainability and electrification—especially in electric vehicles and renewable energy—electrical steel will continue to evolve to meet higher performance and efficiency standards.
From GOES in high-voltage transformers to NGOES in motors, electrical steel continues to drive innovation in power systems, helping achieve global energy goals.
Electrical energy is the pulse of our society – it brings light into our lives, keeps us moving and enables a sustainable future. With powercore® electrical steel from thyssenkrupp Steel, we are creating the basis for sustainable mobility and a secure and efficient energy supply.
Whether for the generation, conversion or use of energy – powercore® is the key material for the energy transition and electromobility. Our innovative electrical steel solutions offer maximum efficiency and meet the highest demands in applications such as transformers, electric motors and generators.