DH Grade Qualified Shipbuilding Plate

DH grade qualified shipbuilding plate refers to a type of shipbuilding steel plate that meets specific quality standards and requirements.

 

Characteristics and Properties

 

High Strength: DH grade shipbuilding plates possess excellent tensile strength and yield strength. This enables them to withstand the various stresses and loads that a ship experiences during its operation at sea, including dynamic forces from waves, wind, and cargo.

Good Toughness: They have good toughness, which means they can absorb energy without fracturing easily. This is crucial for ensuring the structural integrity of the ship in case of accidental impacts or extreme weather conditions.

Weldability: DH grade plates are designed to be easily welded. This is an important characteristic for shipbuilding as most of the ship's structure is assembled by welding. Good weldability ensures strong and reliable joints, enhancing the overall safety and durability of the ship.

Corrosion Resistance: These plates are often treated or manufactured with materials that provide a certain degree of corrosion resistance. Given the harsh marine environment with saltwater and humidity, corrosion resistance is essential to prolong the service life of the ship.

 

 

 

Grade	YieldStrength MPA	TensileStrength MPA	Elongation%	TestTemperature°C	V Ballistic Work
Thickness mm
≤50	>50~70	>70~100
L	T	L	T	L	T
A	≥235	400-520	≥22	20			34
B	≥235	400-520	≥22	0	27	20	34
D	≥235	400-520	≥22	-20	27	20	34
E	≥235	400-520	≥22	-40	27	20	34
AH32	≥315	440-570	≥22	0	31	22	38
DH32	≥315	440-570	≥22	-20	31	22	38
EH32	≥315	440-570	≥22	-40	31	22	38
AH36	≥355	490-630	≥21	0	34	24	41
DH36	≥355	490-630	≥21	-20	34	24	41
EH36	≥355	490-630	≥21	-40	34	24	41
AH40	≥390	510-660	≥20	0	41	27
DH40	≥390	510-660	≥20	-20	41	27
EH40	≥390	510-660	≥20	-40	41	27

 

 

Applications

 

Hull Construction: DH grade shipbuilding plates are widely used in the construction of ship hulls. The strong and durable nature of these plates makes them suitable for withstanding the hydrostatic pressure and dynamic forces acting on the hull.

Deck and Bulkhead: They are also used for building decks and bulkheads within the ship. The high strength and good weldability of DH grade plates ensure the stability and integrity of these structural elements.

Offshore Structures: In addition to shipbuilding, DH grade plates can be used in the construction of offshore platforms and other marine structures. The same properties that make them suitable for ships also apply to these applications, where they need to withstand harsh marine environments and heavy loads.

 

Quality Assurance and Certification

 

To ensure the quality and reliability of DH grade shipbuilding plates, they are typically certified by recognized classification societies such as Lloyd's Register, American Bureau of Shipping, or other international organizations. These certifications involve rigorous testing and inspection of the plates to ensure they meet the required standards for chemical composition, mechanical properties, welding performance, and corrosion resistance.

 

 

 

 

 

 

 

 

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 DH Grade Qualified Shipbuilding 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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