$200
China zinc anodes manufacturers Zinc bolt and welding type anodes for ships and pipelines
Offshore marine ship hull anodes Zinc anodes cathodic protection
♦ Specifications
Zinc Alloy Anode are cast from high grade zinc alloyed to ensure an even corrosion pattern, reliable electrical efficiency and long working life. The anodes are made to meet ASTM B418 type I standard and U.S. MIL-A-18001K.
zinc anode's protective properties result from a strongly negative reduction potential, which is more negative than the metal it is protecting. Oxidants, which corrode metals, will oxidize the zinc anode rather than the protected metal structure, thus preventing the structure from being corroded.
♦ Application :
zinc anodes are recommended for salt water applications, the most common usage is found in marine applications such as on boat hulls, tanks, rudders and piers. They are also commonly used for underground tanks and piping.
Zinc anodes corrode much more easily than the materials they are protecting, drawing the corrosion away from equipment.
♦ Chemical compositions of Zinc Anode :
Type |
Al % |
Cd |
Fe % |
Pb % |
Cu % |
Zn. |
I |
0.1-0.5 |
0.02-0.07 |
≤ 0.005 |
≤ 0.006 |
≤ 0.005 |
Balance |
II |
≤ 0.005 |
≤ 0.003 |
≤ 0.0014 |
≤ 0.003 |
≤ 0.002 |
Balance |
♦ Electrochemical properties of Zinc Anode:
Standard |
Open circuit potential —V,Cu/CuSO4 |
Closed circuit potential —V,Cu/CuSO4 |
Actual capacitance (A·h/kg) ≥ |
Current efficiency % |
ASTM B418 I |
≥ 1.05 |
≥ 1 |
780 |
95 |
ASTM B418 II |
≥ 1.1 |
≥ 1.05 |
780 |
90 |
* Special Chemical compositions are available upon request.
♦ Parameter
² Zinc Ship Hull Anode:
Weld-on type:
* The above specification of zinc ship hull anodes only are small part of our products list, we have much more specification size, and also special shape, size and chemical composition anodes can be manufactured according request, please contact us for more information.
♦ Company Simple Introduction:
We are professional manufacturer and has twenty years experience in anti corrosion industry. Our main products includes
Our products are widely used to many important projects and water heater factories, Hongkong-Macau-Zhuhai bridge, Hangzhou Bay bridge, and Sinopec, Haier, AOSmith etc,.
3B
Casting Magnesium Rod Anodes for water heaters, Extruded Magnesium Rod Anodes
Q.What information will be needed if I want a quotation?
A: Materials contents(Chemical Compositions) and the size of models. Special structures with drawing, Qty and delivery time.
Q. Can we visit your company/factory before place the order?
A: Welcome to visit us in China. Hopefully it will be a happy journey here.
Q: How does your factory do regarding quality control?
A: Quality is base of the company life. We working on new materials industrial for more than 20 years.
Q. What do Magnesium sacrificial anodes do?
A. Magnesium anode is used in the technical method of electrochemistry cathode protection. theory is from that connect with the protected metal body ,with the exhausting and dissolving of negative metal material or alloy ,protective curer body will be protected from corrosion . Mg anode can produce higher quality potential power, is ideal sacrificial materials.
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