Recent content by verdon

Thanks. I've been away so now only i'm reading your reply. I will check the reference.

Thanks, I will check the Severn Gage. What is permiability, is it "how strong a metal reacts to a magnet"? I know that for CuNi90/10 we can measure the Ferrite number (for us it should be below 2,5 otherwise our Eddy Current tester won't function, it will give a very unstable readout). Is that...

But are there thumb rules?

Is there a list of materials that are magnetic. When I test a material with a magnet, what does it tell me. I know it has to contail Fe Ni or Cobalt but how for instance for a CuNi alloy when will it respond to a magnet, CiNi90/10 or CuNi70/30 etc. (and how for naval brass/ muntz metal etc). How...