可鍛 かたん鋳鉄 ちゅうてつでしょう
katanchūtetsudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 可鍛鋳鉄

1. Malleable cast iron, probably.; Likely malleable cast iron.

Polite
Presumptive
Conjecture