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High Potential AZ63C M1C Magnesium Anode With Standard Ribbon Steel Core

China Hunan High Broad New Material Co.Ltd
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China Hunan High Broad New Material Co.Ltd
City: Changsha
Province/State: Hunan
Country/Region: China
Tel: 86-731-85717705-85713359
Contact Person:
Mr James Yang

High Potential AZ63C M1C Magnesium Anode With Standard Ribbon Steel Core

Brand Name : High Broad or OEM
Model Number : ASTM AZ63 / MgMn Magnesium Anode
Certification : ASTM
Place of Origin : China
MOQ : 10 Kilograms
Price : FOB USD 3-4 / Kilogram
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram,PayPal
Supply Ability : 300 Metric Ton/Metric Tons per Month
Delivery Time : 1 FCL:14 Days
Packaging Details : On pallet with steel bundles
Grade : AZ63C M1C
Size : 32D5 17D3 20D2
Advantage : buried steel structure in soil
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High Potential Magnesium Anodes for Cathodic Protection with Standard Ribbon steel Core
Tests on underground propane tanks have shown that smaller anodes can be effective at controlling corrosion on a well coated tank. Small anodes are used when the surface area or object to be protected is small.

They cost less than a larger anode, but cost the same as a large anode to install. However, it is important to remember that the life of a small anode is shorter than for a larger one. One of the more common


A 17 pound magnesium anode can produce 1 amp of d.c. current for 1 year; therefore, if it produced 1/10 amp, it would last 10 years compared to 3-1/2 years for a 5 pound anode. A 17 pound anode placed in 1,000 ohm-cm clay would generate 170 M.A. of current and would last only 6 years. If the clay's resistivity is 2,000 ohm-cm, it would last 11 years. In 10,000 ohm-cm dry sand, it would last 52 years. A normal current output is under 100 M.A. However, this engineer has seen the natural current output of a magnesium anode reach 200 milliamps (M.A.) in wet, alkali rich clay. The current output is dependent on the resistivity of the soil or backfill in which the tank is installed. Clay or highly mineralized earth is very corrosive and has a low soil resistivity value of 1,000 to 2,000 ohm-cm. Conversely, dry sand is not corrosive and would have a soil resistivity value over 10,000 ohm-cm. In order to calculate an anode life, one has to measure the soil resistivity, know the weight of the anode, know the alloy composition of the magnesium and factor in the loss of magnesium due to self corrosion. Finally, when an anode is 85% consumed, it becomes too small to be effective. Because soil conditions change with time, one can hope for the best but should plan for the worst.


Magnesium anodes come in two alloys. H-1 or AZ-63 is 90% magnesium, 6% aluminum and 3% zinc. The zinc and aluminum lowers the cost of the anode but it also lowers the driving potential to about -1.55 volts referenced to a copper sulfate electrode. It will perform well in corrosive soil if the tank is well coated and will last longer than the high potential alloy. The other alloy is 99% pure magnesium. It is called a "high potential" anode as its open circuit potential is as high as -1.80 volts. It works better than the H-1 alloy anode in dry or resistant earth or where more current is needed because of a poorly coated tank. The higher potential forces more current to flow than would from an H-1 alloy anode. It costs more per pound but in many cases it is worth the extra cost.


UltraMag Anode Chemistry*
Aluminum
Manganese
Copper
Silicon
Iron
Nickel
Others each
Magnesium
0.01% max
0.50 - 1.3%
0.02% max
0.05% max
0.03% max
0.001% max
0.05% max
Remainder

Contact us now for more details :

Vivian Jiang(Ms.)

International Marketing & Sales Department Manager

-----------------------------------------------

China Hunan High Broad New Material Co.Ltd.

70 Chezhan North Road,Changsha, China 410100

Tel:+86-731-85717705 Fax:+86-731-85716569

Mobile/Whatsapp: +86-139-7488-3816

Email: metal@vip.163.com,vivian@hbnewmaterial.com

Skype: vivian.jjy


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