鑌鐵 [镔铁]

Jyutping ban1 tit3
Pinyin bīn tiě

Definitions (CC-CANTO)
  1. Damascus steel, a type of refined iron
Definitions (Wiktionary)
  1. noun, Xiang
    aluminium
  2. noun, archaic
    a type of refined iron known for its hardness (often used in the making of sword blades)