RINA Grade A420 Steel Plate

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RINA Grade A420 Steel Plate

RINA GRADE A420 STEEL PLATE (1)
RINA GRADE A420 STEEL PLATE 7
RINA GRADE A420 STEEL PLATE (2)
RINA GRADE A420 STEEL PLATE 8
RINA GRADE A420 STEEL PLATE (3)
RINA GRADE A420 STEEL PLATE 9

RINA Grade A420 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 a comprehensive overview of RINA Grade A420 steel plate, including its chemical composition, mechanical properties, advantages, and application fields.

Chemical Composition

ElementPercentage
Carbon (C)0.21
Silicon (Si)0.10-0.55
Manganese (Mn)0.60-1.70
Phosphorus (P)0.035
Sulfur (S)0.035
Nickel (Ni)0.40
Chromium (Cr)0.20
Molybdenum (Mo)0.08

Mechanical Properties

PropertyValue
Tensile Strength (MPa)530-680
Yield Strength (MPa)420
Elongation (%)19
Charpy V-Notch Impact Test40J at -20°C

Advantages and Features

  • High strength: RINA Grade A420 steel plate has a minimum yield strength of 420 MPa, making it suitable for applications requiring high structural strength.
  • Excellent toughness: The steel plate exhibits excellent toughness, ensuring it can withstand harsh operating conditions and impacts.
  • Good weldability: RINA Grade A420 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 corrosion, making it suitable for marine and offshore applications.
  • Uniform properties: RINA Grade A420 steel plate has consistent mechanical properties throughout its thickness, ensuring reliable performance.

Application Fields and Uses

RINA Grade A420 steel plate is primarily used in the construction of ships and offshore structures. Its high strength and excellent toughness make it suitable for various components, including hulls, decks, and superstructures. The corrosion resistance of the steel plate makes it ideal for marine environments, where it is exposed to seawater and other corrosive elements.

Some specific applications of RINA Grade A420 steel plate include:

  • Shipbuilding: The steel plate is used in the construction of various types of ships, such as bulk carriers, tankers, and container vessels.
  • Offshore structures: RINA Grade A420 steel plate is utilized in the fabrication of offshore platforms, drilling rigs, and other offshore structures.
  • Marine equipment: The steel plate is also used in the manufacturing of marine equipment, such as cranes, winches, and davits.

Conclusion

RINA Grade A420 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 the shipbuilding and offshore industries. The advantages and features of the steel plate, such as high strength and good weldability, contribute to its widespread use. Understanding the application fields and uses of RINA Grade A420 steel plate can help industries make informed decisions when selecting materials for their projects.

Q&A

Q: Can RINA Grade A420 steel plate be used in cold environments?

A: Yes, RINA Grade A420 steel plate has good impact resistance, even at low temperatures. It is suitable for use in cold environments.

Q: What certifications are available for RINA Grade A420 steel plate?

A: RINA Grade A420 steel plate can be certified by various classification societies, such as RINA, ABS, BV, DNV, and LR.

Q: Is RINA Grade A420 steel plate readily available in the market?

A: Yes, RINA Grade A420 steel plate is widely available from steel suppliers and manufacturers. It can be purchased in various sizes and thicknesses to meet specific project requirements.

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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
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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