S355G7+M SHIPBUILDING QUALITY STEEL PLATE
S355G7+M SHIPBUILDING QUALITY STEEL PLATE 3

S355G7+M shipbuilding quality steel plate is a high-strength structural steel specifically designed for use in the construction of ships and offshore structures. This grade of steel offers excellent weldability and toughness, making it ideal for use in harsh marine environments where strength and durability are essential. The addition of alloying elements such as manganese and silicon enhances the steel’s corrosion resistance and impact strength, ensuring that it can withstand the rigors of marine applications. With a minimum yield strength of 355 MPa, S355G7+M steel plate is capable of withstanding high levels of stress and strain, making it a reliable choice for shipbuilding and offshore construction projects.

EN10225 S355G7+M Steel Chemical Composition   

S355G7+MThe Element Max (%)
CSiMnPSNbVTiAlCrNiMoCuN
0.140.15
|
0.55
1.00-1.650.0200.0100.0400.0600.0250.015
|
0.055
0.250.500.080.300.010

EN10225 S355G7+M Steel Mechanical Property

S355G7+MYield 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
470-630355355345335325

Advantages of S355G7+M Shipbuilding Quality Steel Plate

The S355G7+M steel plate offers several advantages that make it a preferred choice for shipbuilding and offshore applications. Some of the key advantages include:

  • High Strength: S355G7+M steel plate has a minimum yield strength of 355 MPa, making it ideal for use in demanding marine environments.
  • Excellent Weldability: This steel plate is known for its excellent weldability, allowing for easy fabrication and construction of complex structures.
  • Corrosion Resistance: S355G7+M offers superior corrosion resistance, ensuring long-term durability and reliability in harsh marine conditions.

Characteristics of S355G7+M Shipbuilding Quality Steel Plate

Aside from its advantages, the S355G7+M steel plate also boasts several key characteristics that set it apart from other materials. Some of the notable characteristics include:

  • Impact Resistance: S355G7+M steel plate exhibits excellent impact resistance, making it suitable for use in applications where strength and toughness are crucial.
  • Good Formability: This steel plate can be easily formed and shaped without compromising its structural integrity, allowing for versatile design options.
  • High Ductility: S355G7+M offers high ductility, enabling it to withstand dynamic loading conditions commonly encountered in marine environments.

Applications and Uses of S355G7+M Shipbuilding Quality Steel Plate

The S355G7+M steel plate finds widespread applications in the shipbuilding and offshore industries due to its superior properties. Some common applications and uses include:

  • Shipbuilding: S355G7+M is used in the construction of various types of ships, including cargo vessels, oil tankers, and offshore platforms.
  • Offshore Structures: This steel plate is also employed in the fabrication of offshore structures such as oil rigs, drilling platforms, and wind turbines.
  • Marine Equipment: S355G7+M is utilized in the manufacturing of marine equipment and components that require high strength and corrosion resistance.

Frequently Asked Questions

  • What is the minimum yield strength of S355G7+M steel plate?

The minimum yield strength of S355G7+M steel plate is 355 MPa, making it suitable for demanding marine applications.

  • What are the key advantages of using S355G7+M in shipbuilding?

Some of the key advantages of using S355G7+M in shipbuilding include high strength, excellent weldability, and superior corrosion resistance.

  • Where can S355G7+M steel plate be used?

S355G7+M steel plate is commonly used in shipbuilding, offshore structures, and marine equipment due to its exceptional properties and performance.

In conclusion, the S355G7+M shipbuilding quality steel plate offers a range of advantages, characteristics, and applications that make it a top choice for marine and offshore construction projects. Its high strength, excellent weldability, and corrosion resistance set it apart from other materials, ensuring long-term durability and reliability in challenging environments.

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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