BV Grade A Shipbuilding Steel

 

 

"BV Grade A Shipbuilding Steel" refers to shipbuilding steel that meets the quality and specification requirements set by Bureau Veritas (BV), a renowned classification society in the maritime industry.

 

The main properties and characteristics of BV Grade A Shipbuilding Steel typically include:

 

High Strength: It has sufficient strength to withstand the various stresses and loads experienced by ships during operation, such as the weight of the hull, cargo, and dynamic forces from the sea.

Good Toughness: Possesses the ability to absorb energy and resist impact and sudden loads without brittle fracture, enhancing the safety and durability of the ship's structure.

Weldability: Allows for easy and reliable welding during the shipbuilding process, ensuring the integrity of the welded joints and the overall structure.

Corrosion Resistance: Has a certain degree of resistance to corrosion in the marine environment to prolong the service life of the ship.

 

Steel Grade	C	Si	Mn	P	S	Als
A	≤0.21	≤0.50	≥2.5c	≤0.035	≤0.035
B	≤0.21	≤0.35	0.8~1.2	≤0.035	≤0.035
D	≤0.21	≤0.35	0.6~1.2	≤0.035	≤0.035	≥0.015
E	≤0.18	≤0.35	0.7~1.2	≤0.035	≤0.035	≥0.015
AH32	≤0.18	≤0.50	0.9~1.6	≤0.035	≤0.035	≥0.015
DH32	≤0.18	≤0.50	0.9~1.6	≤0.035	≤0.035	≥0.015
EH32	≤0.18	≤0.50	0.9~1.6	≤0.035	≤0.035	≥0.015
FH32	≤0.18	≤0.50	0.9~1.6	≤0.035	≤0.035	≥0.015
AH36	≤0.18	≤0.50	0.9~1.6	≤0.035	≤0.035	≥0.015
DH36	≤0.18	≤0.50	0.9~1.6	≤0.035	≤0.035	≥0.015
EH36	≤0.18	≤0.50	0.9~1.6	≤0.035	≤0.035	≥0.015
FH36	≤0.18	≤0.50	0.9~1.6	≤0.035	≤0.035	≥0.015
AH40	≤0.18	≤0.50	0.9~1.6	≤0.035	≤0.035	≥0.015
DH40	≤0.18	≤0.50	0.9~1.6	≤0.035	≤0.035	≥0.015

 

 

Regarding surface treatment, common methods for shipbuilding steel include:

 

Shot Blasting: To clean the surface of the steel, remove rust, scale, and other contaminants, and create a rough surface for better adhesion of coatings.

Painting: Applying anti-corrosion coatings to protect the steel from corrosion in the marine environment. Different types of coatings with specific properties may be used, such as primer, intermediate coat, and topcoat.

Galvanizing: In some cases, galvanizing may be employed to provide additional corrosion protection by forming a zinc coating on the surface of the steel.

 

The specific surface treatment methods and requirements may vary depending on the ship's usage environment, design requirements, and the owner's specifications. Surface treatment is crucial to ensure the long-term performance and durability of the ship's structure.

 

 

 

 

 

 

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 BV Grade A Shipbuilding Steel, 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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