RINA Grade D690 Steel Plate

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RINA Grade D690 Steel Plate

RINA GRADE D690 STEEL PLATE (1)
RINA GRADE D690 STEEL PLATE 7
RINA GRADE D690 STEEL PLATE (1)
RINA GRADE D690 STEEL PLATE 8
RINA GRADE D690 STEEL PLATE (3)
RINA GRADE D690 STEEL PLATE 9

RINA Grade D690 steel plate is a high-strength structural steel designed for offshore and marine applications. It is classified as a marine grade steel and is suitable for use in harsh environments where resistance to corrosion and high tensile strength are crucial.

Chemical Ingredients

ElementComposition (%)
Carbon (C)0.18 max
Silicon (Si)0.50 max
Manganese (Mn)1.60 max
Phosphorus (P)0.025 max
Sulfur (S)0.025 max
Nickel (Ni)0.80 max
Chromium (Cr)0.20 max
Molybdenum (Mo)0.08 max

Mechanical Properties

PropertyValue
Tensile Strength (MPa)770-940
Yield Strength (MPa)690
Elongation (%)16
Charpy V-Notch Impact Test40J at -20°C

Advantages and Features

  • High tensile strength: RINA Grade D690 steel plate offers excellent strength, making it suitable for demanding offshore and marine applications.
  • Corrosion resistance: The steel plate is designed to withstand harsh environments, including exposure to saltwater and corrosive chemicals.
  • Good weldability: RINA Grade D690 steel plate can be easily welded, allowing for efficient fabrication and construction processes.
  • Low temperature toughness: The steel plate exhibits good toughness even at low temperatures, ensuring its performance in extreme conditions.
  • Uniform properties: The steel plate has consistent mechanical properties throughout its thickness, ensuring reliable performance in structural applications.

Application Fields and Uses

RINA Grade D690 steel plate finds extensive use in various offshore and marine applications, including:

  • Shipbuilding: The steel plate is used in the construction of ships and other marine vessels, providing strength and durability.
  • Offshore platforms: RINA Grade D690 steel plate is suitable for the fabrication of offshore platforms, ensuring structural integrity in challenging environments.
  • Oil and gas industry: The steel plate is utilized in the oil and gas industry for the construction of pipelines, storage tanks, and other equipment.
  • Structural components: It is also used in the fabrication of structural components for bridges, cranes, and other heavy machinery.

Q&A

Q: Is RINA Grade D690 steel plate suitable for subsea applications?

A: Yes, RINA Grade D690 steel plate is designed to withstand subsea conditions and is commonly used in subsea equipment and structures.

Q: Can RINA Grade D690 steel plate be machined easily?

A: While RINA Grade D690 steel plate is generally easy to machine, it is recommended to use appropriate cutting tools and techniques to ensure optimal results.

Summary

RINA Grade D690 steel plate is a high-strength marine grade steel that offers excellent tensile strength, corrosion resistance, and weldability. It finds extensive use in shipbuilding, offshore platforms, the oil and gas industry, and structural applications. With its superior properties and reliability, RINA Grade D690 steel plate is a preferred choice for demanding offshore and marine environments.

Related Shipbuilding Steel Products

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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