S420G1+M SHIPBUILDING PLATES
S420G1+M SHIPBUILDING PLATES 3

S420G1+M shipbuilding plates are high-strength structural steel plates that are specifically designed for use in the construction of ships and offshore structures. These plates offer excellent weldability and formability, making them ideal for use in the fabrication of various marine structures. With a minimum yield strength of 420 MPa, these plates provide the necessary strength and durability required for the harsh conditions encountered at sea. Additionally, the plates are designed to withstand extreme weather conditions and corrosive environments, ensuring the longevity and safety of the vessels they are used in. Overall, S420G1+M shipbuilding plates are a reliable and cost-effective solution for constructing high-quality marine structures.

EN10225 S420G1+M Steel Chemical Composition   

S420G1+MThe Element Max (%)
CSiMnPSNbVTiAlCrNiMoCuN
0.140.15
|
0.55
1.650.0200.0100.0400.0800.0250.015
|
0.055
0.250.700.250.300.010

EN10225 S420G1+ M Steel Mechanical Property

 S420G1+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 S420G1+M Shipbuilding Plates

S420G1+M shipbuilding plates offer a myriad of advantages that make them a preferred choice for marine construction projects. Some of the key advantages include:

  • High Strength: S420G1+M plates exhibit high tensile strength, making them ideal for withstanding heavy loads and harsh marine conditions.
  • Excellent Weldability: These plates are known for their excellent weldability, allowing for easy and efficient fabrication during shipbuilding processes.
  • Good Toughness: S420G1+M plates possess good toughness properties, ensuring enhanced resistance to impact and fatigue loading.
  • Corrosion Resistance: The plates offer excellent corrosion resistance, protecting the vessel from the corrosive effects of seawater and other environmental factors.

Characteristics of S420G1+M Shipbuilding Plates

Understanding the key characteristics of S420G1+M shipbuilding plates is essential for leveraging their full potential in marine construction. Some of the notable characteristics include:

  • Normalized Rolling: S420G1+M plates undergo normalized rolling to achieve the desired mechanical properties, ensuring uniformity and consistency in performance.
  • Impact Testing: These plates are subjected to rigorous impact testing to verify their toughness and resilience under dynamic loading conditions.
  • High Yield Strength: S420G1+M plates exhibit high yield strength, providing structural stability and reliability in demanding marine applications.
  • Low Carbon Equivalent: The plates have a low carbon equivalent, reducing the risk of weld cracking and improving overall weld quality.

Applications and Uses of S420G1+M Shipbuilding Plates

S420G1+M shipbuilding plates find extensive applications across various segments of the maritime industry, serving diverse purposes in vessel construction. Some common applications and uses include:

  • Hull Construction: These plates are widely used in the fabrication of ship hulls, ensuring the structural integrity and stability of the vessel.
  • Decking: S420G1+M plates are employed in deck construction, providing a sturdy and reliable platform for crew members and cargo handling.
  • Superstructure Components: The plates are utilized in the construction of superstructure components such as bulkheads, frames, and stiffeners, enhancing the overall strength and durability of the vessel.
  • Offshore Platforms: S420G1+M plates are also utilized in the construction of offshore platforms, offering superior performance in challenging offshore environments.

Frequently Asked Questions

  • Q: What are the key properties of S420G1+M shipbuilding plates?

A: The key properties of S420G1+M plates include high strength, excellent weldability, good toughness, and corrosion resistance.

  • Q: What are the common applications of S420G1+M shipbuilding plates?

A: S420G1+M plates are commonly used in hull construction, decking, superstructure components, and offshore platforms in the maritime industry.

Overall, S420G1+M shipbuilding plates offer a compelling combination of strength, weldability, toughness, and corrosion resistance, making them a versatile and reliable choice for marine construction projects. By understanding the advantages, characteristics, applications, and uses of S420G1+M plates, professionals in the maritime industry can make informed decisions and optimize their shipbuilding processes for superior performance and durability.

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

We use cookies to give you the best online experience. By agreeing you accept the use of cookies in accordance with our cookie policy.

Close Popup
Privacy Settings saved!
Privacy Settings

When you visit any web site, it may store or retrieve information on your browser, mostly in the form of cookies. Control your personal Cookie Services here.

Decline all Services
Save
Accept all Services
Open Privacy settings
Price
Email
Whatsapp