High test iron

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A 19th century term for a type of wrought iron that was heat treated to produce a finer, stronger structure. Now the strength of iron is controlled by the addition of small amounts of alloying metals, such as nickel and chromium.

Synonyms and Related Terms

high strength iron; tension iron

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 158
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996