Magnesium Strip Sacrificial Anode

Magnesium Strip Sacrificial Anode

1. Description

Magnesium strip sacrificial anodes are a type of sacrificial anode that are designed to protect metal structures from corrosion in various environments, such as seawater or soil. They are typically made from a high-quality magnesium alloy, which provides enhanced corrosion protection and a longer lifespan compared to pure magnesium anodes.

2. Working Principle

The anode works by acting as a sacrificial cathode, which means that it corrodes preferentially to the metal structure it is protecting. This sacrificial corrosion process helps to prevent the metal structure from corroding by diverting the electrochemical reactions that cause corrosion away from the structure.

3. Application

Magnesium strip anodes are often used in marine applications, such as protecting the hulls of ships and boats, as well as offshore structures such as oil rigs and pipelines. They are also used in soil environments to protect underground metal structures such as pipelines, storage tanks, and well casings.

One of the main advantages of magnesium strip anodes is their effectiveness in preventing corrosion, particularly in harsh environments. They are also relatively easy to install and maintain, although care must be taken to ensure that they are installed correctly to avoid safety risks.

4. Chemical  Ingredient

Model	Al	Zn	Mn	Fe	Ni	Cu	Si	Mg
Magnesium, manganese	＜0.010	-	0.5-1.30	＜0.03	＜0.001	＜0.02	-	Margin
Pure magnesium	＜0.010	＜0.010	＜0.030	＜0.002	＜0.001	＜0.001	＜0.010	＞99.95

5. Specification

Serial number	Specification			Iron core（mm）	Approximate weight （kg/m）	Alloy category
	A （mm）	B（mm）	C（m）
1	19(3/4)	9.5(3/8)	305(1000)	3.4(0.135)	0.395(0.020)	Magnesium manganese sacrificial anode
2	19(3/4)	9.5(3/8)	305(1000)	3.4(0.135)	0.357(0.020)	Pure magnesium sacrificial anode