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High-strength, low-alloy structural steel plate manufactured to A572 Grade 65 [450] properties. This hot-rolled plate provides a minimum yield strength of 450 MPa (65 ksi) in thicknesses up to 380 mm, making it suitable for heavy structural applications where strength and weldability are required.

Key features

  • Minimum yield strength: 450 MPa (65 ksi) for applicable thicknesses
  • Metallurgy: A572 Grade 65 low-alloy, high-strength structural steel
  • Production form: Hot-rolled plate/sheet produced from coil (coil thickness ≤ 25 mm)
  • Typical applications: Welded bridge components, heavy structural members, construction and infrastructure projects where high strength and good weldability are needed
  • Notch toughness: Specific impact/notch toughness requirements can be negotiated between purchaser and supplier (commonly specified for bridge and other critical welded structures)

Available shapes and dimensions

  • Forms: Steel plate, steel sheet; also available as bar, angle, and other steel sections on request
  • Thickness: (as produced from coil and plate) — coil thickness ≤ 25 mm; plates up to 380 mm available meeting yield requirements
  • Width: 1,220 mm to 4,200 mm
  • Length: 5,000 mm to 18,000 mm

Quality, testing and delivery

  • Supplied according to standard practice for structural A572 material. For products produced from coil and furnished without heat treatment or with stress-relief only, additional requirements and tests may apply (see relevant specification A6/A6M or purchaser-specified testing regimes).
  • Mill test certificates, chemical and mechanical test reports can be supplied on request. Additional testing (charpy impact, notch toughness, ultrasonic or other NDT) available when negotiated.

Processing and value-added services

  • Available services: cutting, welding, grinding, bending, turning and drilling to customer drawings or specifications
  • Custom sizes, edge preparation and surface treatments can be arranged for project requirements

Ordering and commercial

  • Available for bulk and project deliveries. Please submit RFQ specifying grade (A572 Grade 65), required dimensions, quantities, any required impact/notch toughness levels, and requested processing services to receive lead time and quotation.