... in many fields of anticorrosion. magnesium anode, mg anode:Standard:ASTM B 843-1995 ,SY/T10019-1997, GB/T17731- ... 2004Main application: sacrificial magnesium anode applies in the fields of anticorrosion. such as: oil, gas ... , bay, watercraft and reservoir strobe. American standard D type magnesium anode