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2. Crucible steel - Wikipedia

   en.wikipedia.org/wiki/Crucible_steel

   Crucible steel is steel made by melting pig iron, cast iron, iron, and sometimes steel, often along with sand, glass, ashes, and other fluxes, in a crucible. Crucible steel was first developed in the middle of the 1st millennium BCE in Southern India and Sri Lanka using the wootz process. [1] [2] [3] [4]

3. Crucible Industries - Wikipedia

   en.wikipedia.org/wiki/Crucible_Industries

   Metal-shaping factories across the country depended on cutting tools made of crucible steel through the 1920s, when electric steel furnaces gained prominence." [ 14 ] Three companies which merged to form Crucible into the largest U.S. crucible-steel-producing company were: [ 10 ] [ 15 ]

4. 154CM - Wikipedia

   en.wikipedia.org/wiki/154CM

   Crucible 154CM is a modification of martensitic stainless steel type 440C to which molybdenum has been added. It was originally developed for tough industrial applications and combines three principal elements: carbon, chromium, and molybdenum. [1] Hitachi Corporation of Japan copied the properties of this steel for their own brand known as ATS ...

5. Steelmaking - Wikipedia

   en.wikipedia.org/wiki/Steelmaking

   In making crucible steel, the blister steel bars were broken into pieces and melted in small crucibles, each containing 20 kg or so. This produced higher quality metal, but increased the cost. The Bessemer process reduced the time needed to make lower-grade steel to about half an hour while requiring only enough coke needed to melt the pig iron.

6. Ladle (metallurgy) - Wikipedia

   en.wikipedia.org/wiki/Ladle_(metallurgy)

   Typically a transfer ladle will be used to transfer molten metal from a primary melting furnace to either a holding furnace or an auto-pour unit. Treatment ladle: a ladle used for a process to take place within the ladle to change some aspect of the molten metal. A typical example being to convert cast iron to ductile iron by the addition of ...

7. Crucible - Wikipedia

   en.wikipedia.org/wiki/Crucible

   A modern crucible used in the production of silicon ingots via the Czochralski process Smaller clay graphite crucibles for copper alloy melting. A crucible is a container in which metals or other substances may be melted or subjected to very high temperatures.