銑せん鉄てつ

also: ずくてつ

せ

ん

て

つ

Common word

Meanings

noun

pig iron

Technical term for crude iron as produced in a blast furnace, used as a raw material for steelmaking and cast iron.

銑せん鉄てつは高こう炉ろで生せい産さんされる。
Pig iron is produced in a blast furnace.
この工こう場じょうでは銑せん鉄てつから鋼はがねを作つくっている。
This factory makes steel from pig iron.

See all 8 example sentences ›

Usage patterns

高こう炉ろで〈物もの〉を作つくるto produce (pig iron) in a blast furnace
高こう炉ろで銑せん鉄てつを作つくり、それを転てん炉ろで鋼はがねに変かえる。
Pig iron is produced in a blast furnace and then converted into steel in a converter.
〈物もの〉を精せい錬れんするto refine (pig iron) into steel
銑せん鉄てつを精せい錬れんして鋼はがねを作つくる。
Pig iron is refined to produce steel.
〈物もの〉から鋼はがねを作つくるto make steel from (pig iron)
銑せん鉄てつから鋼はがねを作つくる工こう程ていを製せい鋼こうという。
The process of making steel from pig iron is called steelmaking.

Kanji

銑pig iron
鉄iron

Don't confuse with

鋳ちゅう鉄てつ
銑鉄 is the raw, unshaped iron straight from a blast furnace, while 鋳鉄 is that iron remelted and cast into a mold to make a finished shape.
粗そ鋼こう
銑鉄 is pig iron, an intermediate iron product made before steelmaking, while 粗鋼 is the crude steel produced afterward from processes like the converter.

Written forms

銑鉄Usage100%
- せんてつ
  Standard kanji form; the reading せんてつ is the most common.
- ずくてつ
  Alternate reading ずくてつ is less common and may be encountered in older or specialized contexts.
ずくてつ

Etymology

The kanji 銑 means 'pig iron' and 鉄 means 'iron'. The reading せんてつ is the standard Sino-Japanese reading; ずくてつ is a native Japanese reading of the same characters, now rare.