You don't have to add cts (Comment to short), on the forum...
might as well link this: https://powdertoy.co.uk/Wiki/W/Element_conductivities.html
tungsten
https://powdertoy.co.uk/Wiki/W/Element_conductivities.html
choose the one you like
Those are heat conduction speeds..
"This is a table of heat conducting speeds for all the elements of Powder Toy." - says towards the top of the page.