RINA Grade D420 Steel Plate

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RINA Grade D420 Steel Plate

RINA GRADE D420 STEEL PLATE (3)
RINA GRADE D420 STEEL PLATE 7
RINA GRADE D420 STEEL PLATE (2)
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RINA GRADE D420 STEEL PLATE (1)
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RINA Grade D420 steel plate is a high-strength structural steel used in the construction industry. It is specifically designed to withstand extreme conditions and provide excellent durability. This article will provide an in-depth analysis of RINA Grade D420 steel plate, including its chemical ingredients, mechanical properties, advantages, features, and application fields.

Chemical Ingredients Of RINA Grade D420 Steel Plate

ElementComposition (%)
Carbon (C)0.18
Silicon (Si)0.10-0.50
Manganese (Mn)0.90-1.60
Phosphorus (P)0.035
Sulfur (S)0.035
Chromium (Cr)0.20-0.40
Nickel (Ni)0.80-1.20
Molybdenum (Mo)0.08-0.20

Mechanical Properties

PropertyValue
Tensile Strength (MPa)690-895
Yield Strength (MPa)420
Elongation (%)22
Charpy V-Notch Impact Test40J at -20°C

Advantages and Features

  • High strength: RINA Grade D420 steel plate has a minimum yield strength of 420 MPa, making it suitable for heavy-duty applications.
  • Excellent durability: The steel plate is designed to withstand extreme conditions, including harsh weather, corrosive environments, and high-pressure situations.
  • Good weldability: RINA Grade D420 steel plate can be easily welded using common welding methods, ensuring efficient and reliable construction processes.
  • Wide range of thicknesses: The steel plate is available in various thicknesses, allowing for flexibility in design and construction.
  • Cost-effective: Despite its high strength and durability, RINA Grade D420 steel plate offers a cost-effective solution for construction projects.

Application Fields and Uses

RINA Grade D420 steel plate is widely used in various industries and applications, including:

  • Shipbuilding: The steel plate is commonly used in the construction of ships and marine structures due to its high strength and excellent durability in marine environments.
  • Offshore structures: RINA Grade D420 steel plate is suitable for offshore platforms, oil rigs, and other offshore structures that require high strength and resistance to harsh conditions.
  • Construction machinery: The steel plate is used in the manufacturing of construction machinery, such as cranes, excavators, and bulldozers, where high strength and durability are essential.
  • Bridge construction: RINA Grade D420 steel plate is utilized in the construction of bridges, offering the necessary strength and durability to withstand heavy loads and harsh weather conditions.

Q&A

Q: Can RINA Grade D420 steel plate be used in cold climates?

A: Yes, RINA Grade D420 steel plate is designed to withstand low temperatures and has excellent impact resistance, making it suitable for use in cold climates.

Q: Is RINA Grade D420 steel plate corrosion-resistant?

A: Yes, the steel plate has good corrosion resistance due to the presence of elements such as chromium and nickel in its composition.

Q: Can RINA Grade D420 steel plate be easily fabricated?

A: Yes, the steel plate can be easily fabricated using common manufacturing processes, including cutting, bending, and welding.

Summary

RINA Grade D420 steel plate is a high-strength structural steel that offers excellent durability and resistance to extreme conditions. With its high tensile strength, good weldability, and cost-effectiveness, it is widely used in shipbuilding, offshore structures, construction machinery, and bridge construction. The steel plate’s chemical composition and mechanical properties ensure its suitability for various applications, while its advantages and features make it a preferred choice in the construction industry.

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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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