S355G3+N SHIPBUILDING PLATE
S355G3+N SHIPBUILDING PLATE 3

S355G3+N Shipbuilding Plate is a high-strength structural steel plate that is specifically designed for use in the construction of ships and offshore structures. It offers excellent weldability and machinability, making it ideal for use in the demanding conditions of the marine industry. This plate is known for its superior strength, durability, and corrosion resistance, making it a reliable choice for shipbuilding applications. With its high-quality construction and performance capabilities, S355G3+N Shipbuilding Plate is a trusted material for ensuring the safety and reliability of marine vessels and offshore structures.

EN10225 S355G3+N Steel Chemical Composition   

S355G3+NThe Element Max (%)
CSiMnPSNbVTiAlCrNiMoCuN
0.180.500.90-1.650.0300.0250.0600.120.0300.0200.300.500.100.350.015

EN10225 S355G3+N Steel Mechanical Property

S355G3+NYield Strength
mm
Min(Mpa)
Tensile Strength
mm
Min(Mpa)
 Elongation
Min,%
 

100
>100≤16
16

25

25

40

40≤
63

63

100

100

150
 22
470-630355345345

Advantages of S355G3+N Shipbuilding Plate

S355G3+N shipbuilding plate offers several advantages that make it a popular choice for marine applications:

  • High Strength: S355G3+N steel is known for its high tensile strength, making it ideal for withstanding the harsh conditions at sea.
  • Excellent Weldability: This grade of steel is easily weldable, allowing for efficient and cost-effective fabrication of ship structures.
  • Corrosion Resistance: S355G3+N plate exhibits excellent resistance to corrosion, ensuring the longevity of marine vessels.

Characteristics of S355G3+N Shipbuilding Plate

Understanding the key characteristics of S355G3+N shipbuilding plate is crucial for determining its suitability for specific marine construction projects:

  • Chemical Composition: S355G3+N steel contains elements such as carbon, manganese, silicon, and phosphorus, contributing to its mechanical properties.
  • Mechanical Properties: This grade of steel offers a good balance of strength and ductility, essential for structural integrity in marine environments.
  • Impact Resistance: S355G3+N plate has excellent impact resistance, making it suitable for applications where dynamic loads are prevalent.

Applications and Uses of S355G3+N Shipbuilding Plate

The versatility of S355G3+N shipbuilding plate allows for its use in a wide range of marine applications:

  • Ship Hulls: S355G3+N steel is commonly used in the construction of ship hulls, providing the necessary strength and durability to withstand the rigors of the sea.
  • Offshore Platforms: This grade of steel is also utilized in the fabrication of offshore platforms, where corrosion resistance and structural integrity are paramount.
  • Marine Equipment: S355G3+N plate is employed in the manufacturing of various marine equipment, such as cranes, winches, and deck machinery.

Frequently Asked Questions

1. What is the difference between S355G3 and S355G3+N shipbuilding plate?

Answer: The addition of the “+N” designation indicates that the steel has been normalized, improving its mechanical properties and making it more suitable for structural applications.

2. Can S355G3+N shipbuilding plate be used in cold environments?

Answer: Yes, S355G3+N steel is suitable for use in cold environments, as it retains its mechanical properties even at low temperatures.

3. Is S355G3+N plate recyclable?

Answer: Yes, S355G3+N steel is recyclable and can be reused in various industries, contributing to sustainability efforts.

4. What certifications are available for S355G3+N shipbuilding plate?

Answer: S355G3+N steel can be certified by various classification societies, such as DNV, ABS, and LR, ensuring compliance with industry standards.

In conclusion, S355G3+N shipbuilding plate offers a combination of high strength, excellent weldability, and corrosion resistance, making it a top choice for marine construction projects. Its versatile applications in shipbuilding, offshore platforms, and marine equipment highlight its importance in the maritime industry. By understanding the advantages, characteristics, and uses of S355G3+N steel, stakeholders can make informed decisions when selecting materials for their marine projects.

Why Choose Gnee Steel

If you want to find a trustable steel products manufacturer, Gnee will be your best choice. 15 years of experience steel products manufacturer, certified by the classification society, CE, ISO, and SGS. And we guarantee the highest safety and quality standards. We fulfill all requirements of reputed classification societies.
certificate

In addition, our steel has been successfully exported to more than 60 countries such as Germany, South Korea, the United States, Mexico, and Argentina. Many regular customers come to visit our company and factory and make multiple orders.

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What Services Does Gnee Provide?
Measurement-and-quality-testing3
  • Dimensional Inspection: Length, width, diameter; Thickness, straightness; Flatness, profile;
  • Surface Inspection: Visual inspection; Roughness testing; Coating thickness measurement;
  • Composition Testing: Interstitial elemental analysis - C,S,P, Si; Alloy grading verification; Inclusion rating;
  • Mechanical Testing: Tensile strength, yield strength; Toughness, ductility; Hardness testing;
  • Flaw Detection: Ultrasonic, radiographic testing; Magnetic particle, dye penetrant testing;
  • Documentation: Inspection reports; Test certificates; Material traceability
Machining-and-finishing1
Machining-and-finishing3
Machining-and-finishing2
  • CNC machining - turning, milling, drilling
  • Surface treatments like polishing
  • Heat treatments - quenching, annealing
  • Wet/powder coating
cutting-service3
cutting-service1
cutting-service2
  • Waterjet cutting
  • Laser cutting
  • Plasma cutting
  • Shearing/punching
Molding-and-Manufacturing3
Molding and Manufacturing1
Molding-and-Manufacturing2
  • Rolling
  • Press braking
  • Plate bending - concave & convex
  • Profile bending -custom fabrication as per drawings
Testing-and-Inspection3
Testing-and-Inspection1
Testing-and-Inspection2
  • Chemical analysis
  • Mechanical testing
  • Non-destructive examination
  • Ultrasonic, radiography testing

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