Korean metalworking

type of swords

Bangjja (), also called notgeureut () or yugi (), is a Korean type of hand-forged bronzeware. A complete set of bangjja includes dishes, bowls, spoons, and chopsticks. The main difference between Korean bronzeware or bangjja from other bronzeware is the alloy ratio between copper and tin. The bangjja contains much more tin than other bronzewares (Cu:Sn = 78:22 as volume) while the normal ratio of tin to copper is 1/9. Due to this compositional difference, bangjja (unlike other kinds of bronzeware) can be sterilized. For this reason, it has historically been used as tableware for the royal fami