High Purity Magnesium Sacrificial Anode And Cathodic Protection Mag ASTM97

ASTM97-89 Standard High Potential Magnesium Anode For Cathodic Protection
 
Introduction:
 

The general pure magnesium anode is rarely used because of its low current efficiency, only about 30%, and short service life.

For Mg-Mn sacrificial anode, the solubility of manganese in magnesium is 3.4%. If the smelting method is properly controlled, a Mg-Mn single-phase solid solution structure containing a small amount of Mn crystals can be obtained.

Chemical composition %:

 
The electrochemical performance of:
 

Features:

The main characteristics of high-potential magnesium alloy sacrificial anodes are large electricity per unit mass, high potential, small specific gravity, negative potential, high driving voltage to Fe, low current efficiency, etc., especially suitable for high resistivity media. When using magnesium alloy sacrificial anode, care should be taken to avoid collision with steel structure. American standard ASTM8431993 (2003) and Chinese standard GB/T177312004 both require the current efficiency of high-potential magnesium alloy sacrificial anodes to be higher than 50% and the potential higher than 1.77 V.

Application:

Applicable to anti-corrosion protection of the oil, gas, water supply and drainage pipelines, as well as the protection of harbor, ship, resevoir, gate and other projects in water.

Photos:

FAQ:
 
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A : Material chemical composition, anode size, cable and other accessaries information.