延鉄のべかね

noun

wrought iron; low-carbon iron

Rare technical term for iron with very low carbon content (less than 0.04%). Used in historical or specialized metallurgy contexts.

• 延のべ鉄かねは炭たん素そ含がん有ゆう量りょうが極きわめて低ひくい鉄てつの一いっ種しゅである。

  Wrought iron is a type of iron with an extremely low carbon content.