RINA Grade E420 Steel Plate

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RINA Grade E420 Steel Plate

RINA GRADE E420 STEEL PLATE (1)
RINA GRADE E420 STEEL PLATE 7
RINA GRADE E420 STEEL PLATE (2)
RINA GRADE E420 STEEL PLATE 8
RINA GRADE E420 STEEL PLATE (3)
RINA GRADE E420 STEEL PLATE 9

RINA Grade E420 steel plate is a high-strength structural steel with excellent toughness and weldability. It is commonly used in the construction of ships and offshore structures. This article will provide an in-depth analysis of the chemical composition, mechanical properties, advantages, and application fields of RINA Grade E420 steel plate.

Chemical Composition Of RINA Grade E420 Steel Plate

ElementPercentage
Carbon (C)0.18
Silicon (Si)0.50
Manganese (Mn)1.70
Phosphorus (P)0.035
Sulfur (S)0.035
Chromium (Cr)0.20
Nickel (Ni)0.80
Molybdenum (Mo)0.08

Mechanical Properties

PropertyValue
Tensile Strength (MPa)520-680
Yield Strength (MPa)420
Elongation (%)22
Charpy V-Notch Impact Test40J at -20°C

Advantages and Features

  • High strength: RINA Grade E420 steel plate has a minimum yield strength of 420 MPa, making it suitable for demanding structural applications.
  • Excellent toughness: The steel plate exhibits good toughness, ensuring it can withstand high impact loads without failure.
  • Weldability: RINA Grade E420 steel plate can be easily welded using common welding methods, allowing for efficient fabrication and construction processes.
  • Corrosion resistance: The steel plate has good resistance to atmospheric corrosion, making it suitable for use in marine environments.
  • Low carbon content: The low carbon content of the steel plate improves its weldability and reduces the risk of cold cracking during fabrication.

Application Fields and Uses

RINA Grade E420 steel plate finds extensive use in various industries, primarily in the construction of ships and offshore structures. Some of its common applications include:

  • Shipbuilding: The high strength and excellent toughness of RINA Grade E420 steel plate make it ideal for constructing hulls, decks, and superstructures of ships.
  • Offshore structures: The steel plate is widely used in the fabrication of offshore platforms, oil rigs, and other offshore structures that require high strength and corrosion resistance.
  • Structural components: RINA Grade E420 steel plate is also utilized in the construction of bridges, buildings, and other structural components that demand superior strength and durability.

Q&A

Q: Can RINA Grade E420 steel plate be used in cold climates?

A: Yes, RINA Grade E420 steel plate is suitable for use in cold climates. It has been tested for Charpy V-Notch impact at -20°C and exhibits a minimum impact energy of 40J, ensuring its performance even in low-temperature environments.

Q: Is RINA Grade E420 steel plate resistant to corrosion?

A: Yes, RINA Grade E420 steel plate has good resistance to atmospheric corrosion. However, it is important to apply appropriate protective coatings in aggressive marine environments to enhance its longevity.

Summary

RINA Grade E420 steel plate is a high-strength structural steel with excellent toughness, weldability, and corrosion resistance. Its chemical composition and mechanical properties make it suitable for various applications in shipbuilding, offshore structures, and other industries. The advantages of RINA Grade E420 steel plate include its high strength, excellent toughness, weldability, corrosion resistance, and low carbon content. Its application fields encompass shipbuilding, offshore structures, and structural components. Overall, RINA Grade E420 steel plate is a reliable and versatile material that meets the demanding requirements of modern construction projects.

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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.
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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
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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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