'Crucible steel' definitions:
Definition of 'crucible steel'
(from WordNet)
noun
Steel made by the mixture of molten wrought iron, charcoal, and other substances in a crucible
Definition of 'Crucible steel'
From: GCIDE
- Crucible steel \Cru"ci*ble steel\ Cast steel made by fusing in crucibles crude or scrap steel, wrought iron, and other ingredients and fluxes. [Webster 1913 Suppl.]