crucible steel

However, these metals found little practical use until the introduction of crucible steel around 300 BC.

They also worked with cast glass, which was produced by pouring molten glass into a mold, much like iron and the more modern crucible steel.

He is credited with having made the first crucible steel in America.

Various methods were used to produce crucible steel.

The first European references to crucible steel seem to be no earlier than the Post Medieval period.

"At times life is hard," he said at the group funeral, "as hard as crucible steel."

Without crucible steel, Sheffield could not have emerged as the major steel producing town in Europe.

But rival Europeans nations, especially France, quickly took advantage of the superior quality of crucible steel.

The first crucible steel was the wootz steel that originated in India before the beginning of the common era.

This produced higher quality crucible steel but increased the cost.