U shape induction coil for heating steel ends

Hello
We have a plate length of 3000 mm with a thickness of 25 mm is
We want and press the edges of the pieces to be melted
One cm from the edge thickness is 25 mm long, 3000 mm
Is it that only the edge smelt it or not?
Please be so very, very quick to answer my price and product information manager
thank you
Bagheri