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ASTM Standard Magnesium Anodes For Corrosion Control Industry

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ASTM Standard Magnesium Anodes For Corrosion Control Industry

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Brand Name : HIGH BROAD

Model Number : 60S4 48D5 32D5 20D2 17D3 9D3 3D3

Certification : ASTM

Place of Origin : CHINA

MOQ : 1000 kg

Price : To be negotiable

Payment Terms : L/C, D/A, D/P, T/T, MoneyGram

Supply Ability : 5000mt / Year

Delivery Time : 1 FCL: 14 Days

Packaging Details : Magnesium Anode in plywooden case for export

Material : Magnesium Alloy

Type : High Potential and Regular Potential

Size : Range from 3D3 to 48D5 and 60-pound anodes

Other anode 1 : Aluminum anodes

Other anode 2 : Zinc anodes

Other anode 3 : Flexible anodes

Standard : ASTM

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Magnesium Anodes are used in the Corrosion Control industry. In a process known as Cathodic Protection, Sacrificial Anodes are connected by a cable to an underground natural gas pipe, an oil or water pipe, a propane tank or other such structure. The anode acts like a battery, giving off a low-voltage electrical current so that, over time, the anode corrodes but the structure that is being protected remains like new. Cathodic Protection using magnesium and other types of anodes prevents costly repairs and leaks. Extruded Magnesium Anodes are used to extend the life of home and commercial water heaters.

We supply D-Shaped Cast Magnesium Anodes of both High Potential and Regular Potential (AZ 63C) alloys. The sizes range from 3D3 to 48D5 and 60-pound anodes. Round High Potential one-pound Anodes are also available, as are condenser anodes and all sizes of Extruded Anodes and Magnesium Ribbon.

Specifications:

Standard : ASTM G-97

Chemical compositions of cast magnesium anode (%)
Element High potential AZ63B AZ63C AZ63D
Al <0.01 5.30-6.70 5.30-6.70 5.0-7.0
Zn --- 2.50-3.50 2.50-3.50 2.0-4.0
Mn 0.5-1.30 0.15-0.70 0.15-0.07 0.15-0.70
Si (max) 0.05 0.10 0.30 0.30
Cu (max) 0.02 0.02 0.05 0.10
Ni (max) 0.001 0.002 0.003 0.003
Fe (max) 0.03 0.005 0.005 0.005
Others each 0.05 --- -- ---
Others total 0.30 0.30 0.30 0.30
Mg Balance Balance Balance Balance

Electrochemical Properties of cast magnesium anodes
Item Open-circuit Voltage Close-circuit Voltage Actual capacitance Current efficiency
(-V) (-V) (A.h/g) (%)
High Potential 1.70-1.75 1.57-1.62 ≥ 1.100 ≥ 50

Low Potential

(AZ63)

 1.50-1.55 1.45-1.50 ≥ 1.105 ≥ 50
Note: Open and Close-circuit voltage is relative to Saturated Calomel Electrode (SCE)

ASTM Standard Magnesium Anodes For Corrosion Control Industry

Magnesium anodes fight corrosion effectively and economically, and are commonly used in marine environments. They protect a variety of steel structures in salt, brackish and fresh water, including:

  • Boats
  • Ballast tanks
  • Bulkheads
  • Water storage tanks
  • Pilings
  • Pipelines
  • Heat exchangers

Magnesium anodes corrode much more easily than the materials they are protecting, drawing the corrosion away from equipment.

ASTM Standard Magnesium Anodes For Corrosion Control Industry

lucky@hbnewmaterial .com


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