Extruded Alloy Ribbon Anodes for Water Heater Chemical Composition of Extruded Anodes ElementMICElementAZ31DManganese0.5-1.3%Aluminium2.5-3.5%Aluminium0.010% maxZinc0.6-1.4%Copper0.02% maxManganese0.2% minIron0.03% maxCopper0.015% maxNickel0.001% maxIron0.002% maxSilicon0.05% maxSilicon0.1% maxTotal any other single impurity0.05% maxNickel0.0010% maxTotal of all other impurities0.30% maxTotal of all other impurities0.30% maxMagnesiumRemainderMagnesiumRemainderPotential(Ag/AgCI reference)1.7 VoltsPotential(Ag/AgCI reference)1.5 VoltsCapacity(Ampere hours)1230 A.hr/KgCapacity(Ampere hours)1230 A.hr/Kg Size of Casting Alloy Ribbon AnodesPart No.CommoditySize(mm)StandardMF-001Magnesium rod anodeΦ16x145ASTMB843-98 OR Q4950B-95MF-002Magnesium rod anodeΦ16x165MF-003Magnesium rod anodeΦ16x210MF-004Magnesium rod anodeΦ18x180MF-005Magnesium rod anodeΦ18x200MF-006Magnesium rod anodeΦ21.5x230MF-007Magnesium rod anodeΦ25.5x140MF-008Magnesium rod anodeΦ25.5.x230MF-009Magnesium rod anodeΦ26x300MF-010Magnesium rod anodeΦ20.8x460MF-011Magnesium rod anodeΦ20.8x1150MF-012Magnesium rod anodeΦ20.8x1580MF-013Magnesium rod anodeΦ20x1000MF-014Magnesium rod anodeΦ19x1000MF-015Magnesium rod anodeΦ21x990