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AZ63 / MgMn Magnesium Ribbon Anode for Cathodic protection of gas service entrance piping

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Description

? ASTM , ISO, DNV Magnesium Ribbon Anode ? Product Introduction:
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? ? Magnesium?Ribbon Anode are used in a variety of applications. They provide a very simple ,cost effective, maintenance-free method of corrosion control for buried or immersed metals such as iron, steel, aluminium ,copper, etc. It is especially useful for unattended applications. It can also be used as a temporary system prior to the installation of an impressed current system and as a method of providing AC mitigation.??
? Specifications:
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Production standard: ?ASTM
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Chemical Composition (% max.) | Al | Cd | Fe | Pb | Cu | Zn |
TYPE Ⅰ | 0.1-0.5 | 0.02-0.07 | 0.005 | 0.006 | 0.005 | Balance |
TYPE Ⅱ | 0.005? | 0.003 | 0.0014 | 0.003 | 0.002 | Balance |
High Purity Zn | 0.003 | 0.002 | 0.001 | 0.003 | 0.001 | Balance |
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Electrochemical properties | TYPE Ⅰ | TYPE Ⅱ | High Purity Zn |
Open Circuit Potential (-V)* | 1.05 min. | 1.10 min. | 1.10 min |
Closed Circuit Potential (-V)* | 1.00 min. | 1.00 min. | 1.05 min |
Current Capacity ( A.h/g) | 0.78 | 0.74 | 0.74 |
Current Efficiency (%) | 95 | 90 | 90 |
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*Cu/CuSO4
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Size | Super | Plus | Standard | Small |
Cross Section (mm) | 25.4 x 31.75 | 15.88 x 22.23 | 12.7 x 14.28 | 8.73 x 10.32 |
Weight (Kg/m) | 3.570 | 1.785 | 0.8925 | 0.372 |
Diameter of wire core (mm) | 4.70 | 3.43 | 3.30 | 2.92 |
Coil Length Standard (m) | 30.5 | 61 | 152 | 305 |
Packing | Steel banded, random wound open coils | Steel banded, random wound open coils | Wood reels | Wood reels |
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?Application:

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1. External areas of steel pipe, especially in difficult environment such as below grade in rocky and mountainous terrain thawed zones in permafrost, etc.

2.?Interior bottom of oil storage tanks.

3. Interstitial spaces between old, corroded and new storage tank bottoms.

4. In the limited space between inner and outer casings of wells of various kinds.

5. For grounding steel tower footings of overhead power systems.

6. To provide cathodic protection as well as to dissipate induced A.C.current on coated steel pipe.

7. For personnel safety, as well as corrosion protection. To ground valves and test stations of pipe lines which are subject to induced A.C.current and fault currents.? ? ?
? Extruded?Magnesium Ribbon?Anode
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