Re: Conductivity Measurement of Steel It depends since you talk about steel. Usually, conductivity measurements are done by eddy current conductivity gauge for non-magnetic metals. But for steel, it is magnetic and the relative permeability might vary depending on the manufacturing factors. And permeabiliy affects eddy-current measurements a lot. So it is a challenging task for eddy current measurements.
I think the most possible soultion is the DCPD(direct current potential drop) measurements, which is also called four-point measurements. The beautiful part of applying DCPD method is that it does not depend on permeability of steel. So it can be used for magnetic metals.
Google for four-point measurement instrument or DCPD, you should find several manufacturers and talk to them for further information.
Hope this will help.
----------- Start Original Message ----------- : Greetings : I have been approached by a steel rolling company who require conductivity measurement of some of their products. : Does anyone know ofspecific equipment that I can source as well as techniques or procedures that I should use? : Regards, : Keith ------------ End Original Message ------------