H haywire New Member Messages 27 Location uk Leicester Jul 29, 2014 #1 I've got some unidentified scrap, am I right in thinking if I buzz it with an angle grinder steel gives off yellow and iron gives off red?
I've got some unidentified scrap, am I right in thinking if I buzz it with an angle grinder steel gives off yellow and iron gives off red?
brightspark Member Messages 39,191 Location yarm stockton on tees Jul 29, 2014 #2 iron gives dull red sparks
Rig Pig Member Messages 3,744 Location Narrwich! U.K. Jul 29, 2014 #3 They also make very different noises if you tap them with a hammer, steel will ring and cast will just make a dull thump.
They also make very different noises if you tap them with a hammer, steel will ring and cast will just make a dull thump.
M MrFluffy Member Messages 2,904 Location In the shed Jul 30, 2014 #5 Probably help if I linked to one that covered cast iron in the mix too!
brokenbiker Member Messages 10,437 Location Llanbobyll, south wales Jul 30, 2014 #7 Probably wont apply here but if it doesn't spark its not ferrous and will probably load up the grinder so stopping quickly.if it doesn't spark is a good idea
Probably wont apply here but if it doesn't spark its not ferrous and will probably load up the grinder so stopping quickly.if it doesn't spark is a good idea