Quote:
Originally Posted by Lee
The "chilled iron plow" was developed in the mid 19th century for casting plows where a heat sink was incorporated into the mold to rapidly cool and harden the soil contacting surfaces. Perhaps something similar was tried with swords, but David's explaination seems more likely.
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no not "cast" steel but cast into blanks in their rough final form just as today many steel items are. most of the "forged" chinese tools are cast for example