スチール製せい

noun which may take the genitive case particle 'no'

made of steel; steel

Used attributively to describe objects manufactured from steel. Often appears in product descriptions and technical contexts.

• この机つくえはスチール製せいで、とても丈じょう夫ぶです。

  This desk is made of steel and is very sturdy.

• スチール製せいのラックを組くみ立たてた。

  I assembled a steel rack.