What's Causing the Black Residue on Your Cast Iron? Carbon Deposits First off ... with a low smoke point can lead to carbonization at high temperatures, causing residue from the skillet's pores ...

Atomic number 24, atomic weight 51.996. Cast iron contains high levels of carbon, which makes it a hard, brittle metal. Cast iron was commonly used throughout Europe to make church bells and ...

Cast iron Brittle if thin ... pans and gates, vices High-carbon steel (tool steel) Hard but brittle, less malleable than mild steel, good electrical and thermal conductivity Taps and tools ...