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<p>core passing through the centre of the bearing.</p>

<p><big>Heat treatment</big></p>
<p>Induction heating is often used in the heat treatment of metal items. The most common applications are <a href="page.php?w=induction_hardening">induction hardening</a> of steel parts, induction <a href="page.php?w=soldering">soldering</a>/brazing as a means of joining metal components, and induction <a href="page.php?w=annealing_%28metallurgy%29">annealing</a> to selectively soften an area of a steel part.</p>

<p>Induction heating can produce high-power densities</p><p>
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