Thickness Specifications

 

The thickness specifications of marine steel plates are diverse. The common thickness ranges from 3mm to 50mm. For example, for some non - critical structural parts of small - sized ships, such as the decks of small fishing boats or some partition plates in the cabins, steel plates with a thickness of about 3 - 6mm may be used. These thinner steel plates can meet the basic strength and protection requirements and are also convenient for processing and installation.

 

For the critical parts of large - sized ships, such as the oil tank bulkheads of oil tankers and the bottom of the hull shells of large - sized bulk carriers, due to the need to bear huge pressure and loads, steel plates with a thickness of 30 - 50mm will be used. Such a thickness can ensure the safety and stability of the structure and resist various external forces such as seawater pressure and cargo weight.

 

In addition, the thickness of the ship plates of some medium - sized ships is generally between 10 - 20mm. For example, for the side plates of medium - sized container ships, this thickness range can ensure strength while also taking into account the self - weight and cargo - carrying capacity of the ship.

 

 

 

 

 

 

PRODUCT NAME:	HOT ROLLED STEEL PLATE
GRADE:	Q235B, Q345B, SS400, A36,etc.
DIMENSION:	Thickness: 1.5-80mm, Width: 600-2500mm, Length: 1000-12000mm or as requirement
TOLERANCE:	Thickness: +/-0.03mm; Width: +5/-0mm; Length: +5/-0mm

 

 

Width Specifications

 

The widths of marine steel plates usually include 1500mm, 1800mm, 2000mm, 2200mm and so on. Steel plates with a width of 1500mm are more commonly used in the manufacturing of small - sized ships or the production of some small - sized components of the internal structure of ships. Because its width is relatively narrow, it is convenient to carry out operations such as cutting and bending in a small - sized processing site and is suitable for making some components with smaller sizes.

 

For the large - area structures such as the shells of large - sized ships, wider steel plates such as those with a width of 2000mm or 2200mm are more preferred. This can reduce the welding workload and improve the construction efficiency. For example, when building the hull shell of a large - sized oil tanker, using wide - width steel plates can reduce the number of splicing welds, reduce the risk of structural weak points caused by too many welds, and also speed up the construction.

 

Steel plates with a width of 1800mm are also widely used in shipbuilding, and they have strong versatility. They can be used for the construction of the main structures of some medium - sized ships and also for the production of some non - critical structural parts of large - sized ships.

 

 

 

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