2 sentences for 熔 (róng — smelt)

1. 还不如把炮筒熔成铁呢。

   hái bù rú bǎ pào​tǒng róng chéng tiě ne.

   We may as well melt the cannons for iron.

   Source: OpenSubtitles

2. 铁矿石在高温下会被熔为铁水。

   tiě kuàng​shí zài gāo​wēn xià huì bèi róng wéi tiě​shuǐ.

   Iron ore melts into molten iron at high temperatures.

   Source: Dong Chinese Dictionary