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DNV Grade F460 Shipbuilding Steel Plate

Steel Standard: DNV Grade F460

Rolling Type: Shipbuilding steel plate,High tension ship plate

Thickness: 3mm-250mm

Width: 1200mm-4200mm

Length: 3000mm-18000mm

Heat Treatment: TMCP/Normalised

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Introduction
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What is DNV Grade F460 Shipbuilding Steel Plate？

DNV F460 is an extra-high-strength shipbuilding steel plate, certified by Det Norske Veritas (DNV), offering a minimum yield strength of 460 MPa and high tensile strength, designed for severe marine conditions in ship hulls and offshore structures. It’s a thermo-mechanically controlled (TMCP) or quenched & tempered (QT) steel, meeting stringent toughness and weldability standards (like Charpy V-notch tests at low temps) for safe use in harsh maritime environments, with grades like VL E460 or AH460 being related designations.

Key Characteristics:

Standard: DNV (Det Norske Veritas).
Type: Extra High Strength Shipbuilding Steel Plate.
Yield Strength: Minimum 460 MPa (Mpa).
Tensile Strength: Typically 570-720 MPa.
Applications: Hulls, decks, and structural components for ships, tankers, cruise ships, and offshore platforms.
Toughness: Excellent impact toughness, tested via Charpy V-notch at low temperatures (e.g., -60°C).
Processing: Often supplied in TMCP (Thermo-Mechanical Control Processed) or Quenched & Tempered (QT) conditions for optimal properties.
Related Grades: Often seen as VL E460, AH460, or FH460, indicating DNV/GL certification and strength levels.