S420G2+M SHIP STEEL PLATE
S420G2+M SHIP STEEL PLATE 3

S420G2+M is a high-strength structural steel plate specifically designed for use in shipbuilding applications. This steel plate offers excellent weldability, formability, and toughness, making it ideal for constructing ships that are subjected to harsh marine environments. With a minimum yield strength of 420 MPa, S420G2+M provides superior strength and durability, ensuring the structural integrity of the ship. Additionally, this steel plate is designed to meet the stringent requirements of classification societies, making it a reliable and trusted choice for shipbuilders worldwide. Overall, S420G2+M ship steel plate is a top-quality material that ensures the safety and longevity of marine vessels.

EN10225 S420G2+M Chemical Composition   

S420G2+MThe Element Max (%)
CSiMnPSNbVTiAlCrNiMoCuN
0.140.15
|
0.55
1.650.0200.0070.0400.0800.0250.015
|
0.055
0.250.700.250.300.010

EN10225 S420G2+ M Mechanical Property

 S420G2+MYield Strength
mm
Min(Mpa)
Tensile Strength
mm
Min(Mpa)
 Elongation
Min,%
 

40

40

100
≤16
16

40

40

63

63

80

80

100
 19
500-660480-640420400390380380

Advantages of S420G2+M Ship Steel Plate

S420G2+M ship steel plate offers several advantages that make it a preferred choice for shipbuilding projects:

  • High Strength: S420G2+M steel plate has a minimum yield strength of 420 MPa, making it ideal for applications where strength is crucial.
  • Excellent Weldability: This steel plate is known for its good weldability, allowing for ease of fabrication and construction.
  • Corrosion Resistance: S420G2+M steel plate is designed to resist corrosion in marine environments, ensuring longevity and durability.
  • Impact Toughness: The material exhibits excellent impact toughness, making it suitable for use in demanding conditions.

Characteristics of S420G2+M Ship Steel Plate

Understanding the key characteristics of S420G2+M ship steel plate is essential for making informed decisions in shipbuilding projects:

  • Chemical Composition: S420G2+M steel plate typically contains elements such as carbon, manganese, silicon, phosphorus, sulfur, and niobium.
  • Mechanical Properties: The material offers high tensile strength, good ductility, and excellent formability, meeting the stringent requirements of shipbuilding standards.
  • Heat Treatment: S420G2+M steel plate may undergo controlled rolling and accelerated cooling processes to achieve the desired mechanical properties.
  • Surface Finish: The plate is often supplied with a primer coating or shot-blasted finish to enhance its corrosion resistance and aesthetics.

Applications and Uses of S420G2+M Ship Steel Plate

S420G2+M ship steel plate finds extensive applications in various areas of shipbuilding and offshore structures:

  • Hull Construction: The high strength and weldability of S420G2+M steel plate make it suitable for hull construction, ensuring structural integrity and safety.
  • Decking and Superstructures: The material is commonly used for decking, superstructures, and other components that require strength, durability, and corrosion resistance.
  • Offshore Platforms: S420G2+M steel plate is utilized in the construction of offshore platforms, providing reliability and performance in challenging marine environments.
  • Marine Equipment: The material is also employed in the manufacturing of marine equipment, such as cranes, winches, and davits, due to its superior mechanical properties.

Frequently Asked Questions

1. What is the minimum yield strength of S420G2+M ship steel plate?

The minimum yield strength of S420G2+M ship steel plate is 420 MPa, ensuring high strength and structural integrity.

2. What are the key advantages of using S420G2+M steel plate in shipbuilding?

S420G2+M steel plate offers advantages such as high strength, excellent weldability, corrosion resistance, and impact toughness, making it a preferred choice for shipbuilding projects.

3. In which applications can S420G2+M ship steel plate be used?

S420G2+M ship steel plate is commonly used in hull construction, decking, superstructures, offshore platforms, and marine equipment due to its superior mechanical properties and corrosion resistance.

4. How is S420G2+M steel plate processed to achieve the desired mechanical properties?

S420G2+M steel plate may undergo controlled rolling and accelerated cooling processes during manufacturing to achieve the desired mechanical properties, such as high tensile strength and good formability.

5. What surface finishes are available for S420G2+M ship steel plate?

S420G2+M ship steel plate is often supplied with a primer coating or shot-blasted finish to enhance its corrosion resistance and improve aesthetics in shipbuilding applications.

In conclusion, S420G2+M ship steel plate is a versatile and reliable material that offers exceptional strength, weldability, corrosion resistance, and impact toughness for various shipbuilding and offshore applications. Understanding its advantages, characteristics, and uses is essential for professionals in the maritime industry to make informed decisions and ensure the success of their 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.

Partner Company Display
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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