CCSB Rolled Steel Plate For Shipbuilding

 

There are several special requirements for the processing and welding of CCSB rolled steel plates in shipbuilding:

 

Processing requirements:

Cutting: The cutting of CCSB steel plates needs to be precise to ensure the size and shape of the parts meet the design requirements. Advanced cutting technologies such as plasma cutting, laser cutting, or oxy-fuel cutting may be used, and the cutting parameters need to be carefully selected to avoid excessive heat input that may affect the mechanical properties of the steel plate near the cutting edge.

Bending: When bending the steel plate, appropriate bending equipment and molds should be used to ensure the bending radius and angle are accurate. Over-bending or insufficient bending may cause stress concentration and affect the structural strength of the ship.

Surface treatment: The surface of the CCSB steel plate needs to be cleaned and treated before processing and welding to remove rust, oil stains, and other impurities. This can improve the adhesion of the welding material and ensure the quality of the welded joint.

Welding requirements:

Welding materials: The selection of welding materials should be compatible with the CCSB steel plate, considering factors such as the chemical composition and mechanical properties of the base metal. High-quality welding electrodes, wires, and fluxes should be used to ensure the strength and corrosion resistance of the welded joint.

Welding procedures: A scientific and reasonable welding procedure is essential. This includes determining the welding method (such as shielded metal arc welding, gas metal arc welding, or submerged arc welding), welding parameters (such as current, voltage, and welding speed), and the sequence of welding to minimize welding deformation and residual stress.

Preheating and post-welding heat treatment: In some cases, preheating may be required before welding, especially for thick plates or in low-temperature environments. Preheating can reduce the cooling rate of the weld metal, prevent cold cracks, and improve the welding quality. After welding, post-welding heat treatment may also be necessary to relieve residual stress, improve the microstructure of the weld metal, and enhance the mechanical properties of the welded joint.

Welding quality inspection: Strict welding quality inspection is required to ensure the reliability of the welded joint. Non-destructive testing methods such as ultrasonic testing, radiographic testing, and magnetic particle testing should be used to detect defects such as cracks, porosity, and incomplete fusion in the welded joint. Any detected defects should be repaired in a timely manner according to the relevant regulations.

 

What's more, we can print the logo or size on per sheet.

Commodity	Marine Grade Shipbuilding Steel Plate
Standard	CCS,ABS,GL,BV,DNV,NK,LR,KR,RINA
Grade	A/B/D/E, A32/D32/E32/F32, A36/D36/E36/F36, A40/D40/E40/F40, A131A/B/D/E, AH32/DH32/EH32, AH36/DH36/EH36, AH40/DH40/EH40, NVA420/D420/E420, NVA460/D460/E460, NVA500/D500/E500, NVA550/D550/E550….
Thickness	2-300mm (2-100mm usually used)
Width	1000-3000mm (1000-2200mm usually used)
Length	1000-12000mm or as your request
Surface	Clean, finishing,blasting and painting according to customer requirement
Delivery States	Hot-rolled, Controlled rolling, Normalizing, Annealing, Tempering,
	Quenching, N+T, Q+T,and other delivery states are available as required
Certificate	API,ISO,SGS,BV,CE etc
Quality	MTC will be provided with goods, third part inspection is acceptable
Package	Standard export seaworthy package,suit for all kinds of transport; or as required.
Container	20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High)
Application	Widely used in a variety of architectural and engineering structures,such as
	1.) metal constructions such as buildings,bridges,ships;
	2.) transmission tower, reaction tower;
	3.) lifting transportation machinery;
	4.) industrial furnace;boilers
	5.) container frame, warehouse goods shelves, etc

 

CCSB rolled steel plates are one type of shipbuilding steel plates, and the differences between them and other types of shipbuilding steel plates mainly lie in the following aspects:

 

Chemical composition:

Element content: The chemical composition of CCSB steel plates is different from other shipbuilding steel plates. For example, compared with some high-strength shipbuilding steel plates, the alloying element content in CCSB is relatively lower. It contains certain amounts of carbon (C), silicon (Si), manganese (Mn), phosphorus (P), and sulfur (S), with the specific proportions meeting the requirements of the China Classification Society. The difference in element content affects the mechanical properties and processing characteristics of the steel plates.

Trace elements: Some special shipbuilding steel plates may contain trace elements such as chromium (Cr), nickel (Ni), and molybdenum (Mo) to obtain better corrosion resistance, high-temperature resistance, or other specific properties. However, CCSB steel plates generally do not have a high content of these trace elements, as their performance requirements are mainly focused on general strength and other aspects.

 

 

 

 

 

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 CCSB Rolled Steel Plate For Shipbuilding, 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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