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High Potential Magnesium Anode D Type

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High Potential Magnesium Anode D Type



High Potential Magnesium Anode D Type

The high potential magnesium anode uses high quality and high purity magnesium material production, complying with the ASTM97-98 standard. The anode has excellent electrochemical performance due to the use of specific production process. In the process of cathodic protection, the anode is consumed uniformly, so its service life is longer.

During the actual use process, the actual measurement working potential is between -1.8V to 1.85V, which have more obvious protection effect of the target structure.

High potential magnesium anodes are recommended to be used for the soils with a resistivity greater than 8000.cm because it is cheaper than the high potential anode, reducing the cost and effectively preventing the protection of metal structures have been protected from hydrogen evolution reaction.


Implementing Standards

ASTM B843/ASTM97-98

GB/T17731-2004 Magnesium Alloy Sacrificial Anode

SY/T0019-97 Technical Specification for Cathodic Protection of Buried Steel Pipeline


Main Features

The quantity of unit mass produces large quantity of electricity and high potential. It is an ideal sacrificial anode material.


Application

Applicable to anti-corrosion protection of the oil, gas, water supply and drainage pipelines, as well as the protection of harbor, ship, reservoir gate and other projects in water.


Chemical Composition

Anode

Al

(Max.)

Mn

(Max.)

Si

(Max.)

Cu

(Max.)

Ni

(Max.)

Fe

(Max.)

Other Metal Impurities

(Max.)

Mg-Mn

0.01

0.50-1.30

0.05

0.02

0.001

0.03

0.05


Electrochemical Performance

Open Circuit Potential

(-V)

Closed Circuit Potential

(-V)

Actual Capacitance

(A.h/kg)

Current Efficiency

(%)

1.70-1.75

1.58-1.62

1,100min

50min


D Type Magnesium Anode Specifications

Type

Weight kg(LB)

Magnesium Sacrificial Anode mm(inch)

A

B

C

9D2

4.082(9)

69.9(2 3/4)

549.3(21 5/8)

76.2(3)

14D2

6.350(14)

69.9(2 3/4)

850.9(33 1/2)

76.2(3)

20D2

9.072(20)

69.9(2 3/4)

1212.9(47 3/4)

76.2(3)

9D3

4.082(9)

88.9(3 1/2)

352.4(13 7/8)

95.3(3 3/4)

17D3

7.711(17)

88.9(3 1/2)

641.4(25 1/4)

95.3(3 3/4)

32D5

14.515(32)

139.7(5 1/2)

504.8(19 7/8)

146.1(5 3/4)

48D5

21.772(48)

139.7(5 1/2)

765.2(30 1/8)

146.1(5 3/4)

60D4

27.216(60)

114.3(4 1/2)

114.3(4 1/2)

1460.5(57 1/2)

High Potential Magnesium Alloy Sacrificial Anode

High Potential Magnesium Anode D Type





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