RINA Grade AH40 Steel Plate

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RINA Grade AH40 Steel Plate

RINA GRADE AH40 STEEL PLATE (1)
RINA GRADE AH40 STEEL PLATE 7
RINA GRADE AH40 STEEL PLATE (2)
RINA GRADE AH40 STEEL PLATE 8
RINA GRADE AH40 STEEL PLATE (3)
RINA GRADE AH40 STEEL PLATE 9

RINA Grade AH40 steel plate is a high-strength shipbuilding steel plate that is mainly used in the construction of offshore platforms and ships. This grade is classified by the Italian classification society RINA, which stands for Registro Italiano Navale. RINA Grade AH40 steel plate offers excellent toughness properties, higher strength, strong corrosion-resistance, and good weldability, making it suitable for various marine applications.

Chemical Ingredients Of RINA Grade AH40 Steel Plate

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
Impact Test Temperature (°C)-20

Advantages and Features

  • High strength: RINA Grade AH40 steel plate has a minimum yield strength of 390 MPa, providing excellent structural integrity and load-bearing capacity.
  • Good weldability: This steel plate can be easily welded using common welding methods, ensuring efficient and reliable joining of components.
  • Corrosion resistance: The composition of RINA Grade AH40 steel plate includes elements such as chromium and nickel, which enhance its resistance to corrosion in marine environments.
  • Toughness: The steel plate exhibits good toughness properties, allowing it to withstand harsh conditions and impacts without fracturing.
  • Uniformity: RINA Grade AH40 steel plate is produced with strict quality control measures to ensure consistent and uniform properties throughout the plate.

Application Fields and Uses

RINA Grade AH40 steel plate is widely used in the construction of offshore platforms, shipbuilding, and marine engineering projects. Some specific applications include:

  • Shipbuilding: RINA Grade AH40 steel plate is used in the construction of various types of ships, including bulk carriers, container ships, and oil tankers.
  • Offshore platforms: The high-strength properties of this steel plate make it suitable for the fabrication of offshore platforms used in oil and gas exploration and production.
  • Marine engineering: RINA Grade AH40 steel plate is utilized in the construction of marine structures such as bridges, piers, and harbor facilities.

Conclusion

RINA Grade AH40 steel plate is a high-strength shipbuilding steel plate that offers excellent toughness, corrosion resistance, and weldability. Its properties make it suitable for various marine applications, including shipbuilding, offshore platforms, and marine engineering projects. The chemical composition and mechanical properties of this steel plate ensure its reliability and durability in demanding environments. With its advantages and features, RINA Grade AH40 steel plate is a preferred choice for the construction of reliable and robust marine structures.

Q&A

1. What is the classification society for RINA Grade AH40 steel plate?

RINA stands for Registro Italiano Navale, which is the Italian classification society.

2. What are the main advantages of RINA Grade AH40 steel plate?

The main advantages include high strength, good weldability, corrosion resistance, toughness, and uniformity.

3. What are the application fields of RINA Grade AH40 steel plate?

RINA Grade AH40 steel plate is used in shipbuilding, offshore platforms, and marine engineering projects.

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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