LR EH55 Steel Plate

 

 

 

The following are specific measures to improve the corrosion resistance of LR EH55 steel plate in marine environments:

 

Surface Coating Protection

 

Anticorrosive Paint Coating: Use specialized marine anticorrosive paints, such as epoxy zinc-rich primer and polyurethane topcoat. The epoxy zinc-rich primer contains a large amount of zinc powder. In the marine environment, zinc is more reactive than iron and will corrode preferentially, thus providing cathodic protection for the steel plate. The polyurethane topcoat has good weather resistance and water resistance, which can effectively block the contact between corrosive media such as seawater and oxygen and the steel plate.

 

 

Electrochemical Protection

 

Sacrificial Anode Cathodic Protection Method: Install metals that are more reactive than iron, such as zinc blocks and aluminum blocks, on the surface of the LR EH55 steel plate as sacrificial anodes. In seawater, the sacrificial anodes will corrode preferentially, and through electrochemical action, electrons will be transferred to the steel plate, reducing its potential and thus slowing down the corrosion rate of the steel plate.

 

 

 

LR/EH55 extra high Strength Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S	Al	N
LR/EH55	0.20	0.55	1.70	0.030	0.030	0.015	0.020
	Nb	V	Ti	Cu	Cr	Ni	Mo
	0.02-0.05	0.03-0.10	0.02

 

 

Surface Treatment

 

 

Chemical Treatment: Conduct phosphating treatment or passivation treatment. Phosphating treatment can form a phosphate conversion film on the surface of the steel plate, improving the adhesion and corrosion resistance of the coating. Passivation treatment uses chemical reagents to form a dense oxide film on the surface of the steel plate to enhance its corrosion resistance.

 

Optimal Design and Maintenance

 

 

Regular Inspection and Maintenance: Regularly inspect the ship structures using LR EH55 steel plates to timely detect problems such as coating damage and corrosion pits, and repair or replace damaged components. For the detected corroded parts, conduct thorough cleaning and treatment before repair, such as applying additional anticorrosive paint and replacing sacrificial anodes.

 

 

 

 

 

 

 

Why Choose Us?
We take pride in our ability to provide custom solutions for our customers' unique needs.
We analyze and compare the previous products and the current technical situation of our LR EH55 Steel Plate, and develop new technical specifications and processes.
Our customers trust us to deliver high-quality Cold-rolled Steel products on time and on budget.
We strictly implement the warm and thoughtful after-sales service, adhere to the development of good professional ethics.
We offer a wide range of Cold-rolled Steel products to meet diverse customer needs.
We adhere to the customer-centric and brand-oriented business philosophy, and continue to provide customers with reliable and excellent products and services.
Our factory is committed to upholding the highest standards of safety and quality.
All staff of our company and all departments work together to combine business management, professional technology, quantitative statistical methods and ideological education.
Our Cold-rolled Steel products are known for their durability and reliability.
Relying on the superior conditions and strong advantages of mass production, we are able to meet the different needs of our customers.

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