01% is called oxygen-free copper, which is indicated by TU (copper-free), such as TU1, TU2, etc. Bronze used to call the alloy of copper and tin bronze, but now it calls copper alloys other than brass bronze. When gas welding, neutral flame or weak carbonized flame is used for copper, and weak oxidation flame is used for brass to avoid zinc transpiration. Tungsten electrode hydrogen arc welding uses direct current direct connection. Bronze is indicated by 'Q,' (green). Commonly used are tin bronze, aluminum bronze and sensitive bronze.
Aluminum bronze strengthening treatment methods Aluminum bronze is divided into two categories in a certain sense, one is ordinary aluminum bronze, and the other is special aluminum bronze. After quenching and tempering, it can improve hardness.5%, and sometimes also participates in appropriate amounts of [...]