RINA Grade DH40 Steel Plate

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RINA Grade DH40 Steel Plate

RINA GRADE DH40 STEEL PLATE (1)
RINA GRADE DH40 STEEL PLATE 7
RINA GRADE DH40 STEEL PLATE (2)
RINA GRADE DH40 STEEL PLATE 8
RINA GRADE DH40 STEEL PLATE (3)
RINA GRADE DH40 STEEL PLATE 9

RINA Grade DH40 steel plate is a high-strength shipbuilding steel plate that is suitable for offshore structures. This steel plate is commonly used in the construction of hulls and superstructures for large shipping vessels. It offers excellent toughness properties, higher strength, and good weldability, making it an ideal choice for various marine applications.

Chemical Ingredients

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

Mechanical Properties

PropertyValue
Tensile Strength (MPa)510-650
Yield Strength (MPa)390
Elongation (%)20 min
Impact Test Temperature (°C)-20

Advantages and Features

  • High strength: RINA Grade DH40 steel plate offers excellent strength, allowing for the construction of robust and durable marine structures.
  • Good weldability: This steel plate can be easily welded, ensuring efficient and reliable joining of different components.
  • Excellent toughness: The DH40 grade steel plate exhibits superior toughness, making it resistant to cracking and deformation under high-stress conditions.
  • Corrosion resistance: The composition of RINA Grade DH40 steel plate includes elements that enhance its resistance to corrosion, ensuring longevity in marine environments.
  • Uniformity in properties: The steel plate is manufactured with strict quality control measures, ensuring consistent mechanical properties throughout the plate.

Application Fields and Uses

RINA Grade DH40 steel plate finds extensive application in the shipbuilding industry, particularly in the construction of offshore structures and marine equipment. Some common uses include:

  • Hull construction: The high strength and toughness of DH40 steel make it suitable for the construction of ship hulls, providing structural integrity and stability.
  • Superstructures: RINA Grade DH40 steel plate is used in the fabrication of superstructures, such as cabins, decks, and bridges, ensuring the overall strength and stability of the vessel.
  • Offshore platforms: This steel plate is also utilized in the construction of offshore platforms, including oil rigs and drilling platforms, where high strength and corrosion resistance are crucial.
  • Marine equipment: DH40 steel is employed in the manufacturing of various marine equipment, such as cranes, winches, and lifting devices, due to its excellent mechanical properties.

Conclusion

RINA Grade DH40 steel plate is a high-strength shipbuilding steel plate that offers excellent toughness, higher strength, and good weldability. Its chemical composition and mechanical properties make it suitable for various marine applications, including hull construction, superstructures, offshore platforms, and marine equipment. The advantages and features of this steel plate, such as high strength, good weldability, excellent toughness, corrosion resistance, and uniformity in properties, make it a preferred choice in the shipbuilding industry. With its wide range of application fields and uses, RINA Grade DH40 steel plate plays a vital role in the construction of reliable and durable marine structures.

Q&A

1. What is the tensile strength of RINA Grade DH40 steel plate?

The tensile strength of RINA Grade DH40 steel plate ranges from 510 to 650 MPa.

2. What are the main advantages of DH40 steel?

The main advantages of DH40 steel include high strength, good weldability, excellent toughness, corrosion resistance, and uniformity in properties.

3. Where is RINA Grade DH40 steel plate commonly used?

RINA Grade DH40 steel plate is commonly used in the shipbuilding industry for hull construction, superstructures, offshore platforms, and marine equipment.

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.
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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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