RINA Marine Steel Plate Grade A B D E

RINA (Registro Italiano Navale) marine steel plates of grades A, B, D, and E are widely used in the shipbuilding industry. Here's an overview of these grades:

 

Grade A:

 

Properties: It has moderate strength and good ductility. The chemical composition is carefully controlled to ensure proper weldability and corrosion resistance.

Applications: Commonly used for general structural parts of ships, such as hull plates, decks, and bulkheads where lower strength requirements are sufficient.

 

Grade B:

 

Properties: Slightly higher strength than Grade A. It also offers good toughness and weldability.

Applications: Used in areas of the ship where slightly greater strength is needed, such as in more heavily loaded structural components.

 

Grade	Chemical Composition
RINA Grade A	Carbon (C): ≤0.21%, Silicon (Si): ≤0.55%, Manganese (Mn): 0.90 - 1.60%, Phosphorus (P): ≤0.035%, Sulfur (S): ≤0.035%
RINA Grade B	Carbon (C): ≤0.21%, Silicon (Si): ≤0.55%, Manganese (Mn): 0.90 - 1.60%, Phosphorus (P): ≤0.035%, Sulfur (S): ≤0.035%
RINA Grade D	Carbon (C): ≤0.21%, Silicon (Si): ≤0.55%, Manganese (Mn): 0.90 - 1.60%, Phosphorus (P): ≤0.035%, Sulfur (S): ≤0.035%
RINA Grade E	Carbon (C): ≤0.21%, Silicon (Si): ≤0.55%, Manganese (Mn): 0.90 - 1.60%, Phosphorus (P): ≤0.035%, Sulfur (S): ≤0.035%

 

 

 

 

Grade D:

 

Properties: Has higher strength and better low-temperature toughness compared to Grades A and B. This grade is designed to withstand harsh marine environments and cold temperatures.

Applications: Typically used for offshore structures and ships operating in cold regions.

 

Grade E:

 

Properties: The highest strength among these grades. It has excellent toughness and corrosion resistance.

Applications: Reserved for critical structural parts of ships that require exceptional strength and durability, such as in high-stress areas or for specialized vessels.

 

 

 

 

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 RINA Marine Steel Plate Grade A B D E, 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.
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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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