... includes: copper (UNS No. C81100), chromium copper (C81500), yellow brass (C85200, C85400, C85700, C85800, C87900), manganese bronze (C86200, ... C95600, C95700, C95800) nickel bronze (C97300, C97600, C97800), white brass (C99700, C99750). Pure Copper and Chromium Copper. Commercially pure copper ... After the addition of aluminum, the melting of yellow brass is very simple, and no fluxing is necessary. ...