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  • Special Magnesium(Hong Kong) Industry Limited
    Federer
    Reliable quality of sacrificial magnesium anode.
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    Alice
    Well suited to our cathodic protection needs.
Contact Person : Harry Guo
Phone Number : 0086-18739207695

OEM Sacrificial Boat Mg Marine Anode High Purity GB/T 17731-2015

  • OEM Sacrificial Boat Mg Marine Anode High Purity GB/T 17731-2015
  • OEM Sacrificial Boat Mg Marine Anode High Purity GB/T 17731-2015
Place of Origin CHINA
Certification USA: G97，ASTM
Minimum Order Quantity 1000KGS
Price Negotiable
Packaging Details Pallet packing, or on customer's request
Delivery Time 30 Days after receiving the deposit
Payment Terms 50% Deposit , 50% Balance before deliver to the port
Supply Ability 500 mts per month

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Product Details
Keywords High Potential Magnesium Anode Material High Purity Magnesium
Application Cathodic Protection Adventage Better Electrochemical Properties
Service OEM / OEM Technical Standard GB/T 17731-2015
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OEM Sacrificial Anode Boat Mg

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Mg Marine Anode High Purity

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Mg Marine Anode OEM
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Product Description

Evenly Consumed High Potential Magnesium Anode For Cathodic Protection
 
Introduction:

 

Due to the high chemical activity of magnesium alloys, strong self-corrosion, and no dense protective film on the surface, the current efficiency of magnesium anodes is much lower than that of aluminum and zinc anodes, usually around 50%. The outstanding advantages of magnesium anode materials are low density, large theoretical capacitance, negative potential, low polarizability, and high driving voltage (>0.6 V) to steel. Common pure magnesium anodes (purity greater than 99.95%) have been phased out due to their low current efficiency (only around 30%). The addition of impurity elements will greatly reduce the corrosion resistance of magnesium alloys. Among them, Fe, Ni, Cu and other elements reduce the corrosion resistance of magnesium alloys particularly seriously. Therefore, reducing impurity elements is the preferred method to improve its performance. However, the smelting of high-purity magnesium is difficult, so alloying methods are often used to prepare high-performance magnesium anode materials in engineering.

 

Chemical composition %:

 

Alloy

Al
(max)

Mn
(max)

Si
(max)

Cu
(max)

Ni
(max)

Fe
(max)

Other impurity(each)
(max)

Total Impurities
(max)
Mg-Mn 0.01 0.50-1.30 0.05 0.005 0.001 0.03 0.05 0.30

 
The electrochemical performance of:
 

Open voltage
(-V)

Closed voltage
(-V)

Actual capacity
(A.h/kg)

Efficiency
(%)
1.70-1.75 1.58-1.62 1230min 50min

 

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:

OEM Sacrificial Boat Mg Marine Anode High Purity GB/T 17731-2015 0

 

Tags:

ASTM High Potential Magnesium Anode

32 Lb Magnesium Anode

Magnesium Sacrificial Anode ASTM97-89