English 
"Extruded aluminium alloy anode rod" refers to the aluminium anode rod which is extruded into semi-continuous casting aluminium alloy anode cylindrical ingot by extruder process and used for corrosion protection of water heater inner liner. Generally speaking, for the protection of water medium equipments with saline-alkali environment and high conductivity, such as steel pond ceramic coating, steel galvanizing and stainless steel water heater, the cathodic current protection with cathodic protection effect is usually produced by coupling the active metal-magnesium alloy anode with more negative potential, the aluminum alloy anode and the zinc alloy anode. The 8020 and K804 aluminium alloy sacrificial anodes for freshwater equipment protection, as well as the anti-corrosion of the inner liner of the "air-energy heat pump" which absorbs heat from air and boils hot water, are another popular product besides magnesium anode rods.
Semi-continuous casting process is adopted for "casting aluminium alloy embryo" before extrusion of aluminium bar. Standards 8020 and A420 (A5) are implemented.
Chemical Composition and Electrochemical Properties of Cast Aluminum Alloys A5 and A80
Specification and size of aluminium extruded anode rod
Extrusion: diameter 40 length 100, M6 stainless steel wire exposed, embedded 20 20
Extrusion of aluminium extruded anode rod: diameter 18 length 100, M6 stainless steel wire exposed 10, embedded 20
MACH ANTI-CORROSION
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