Custom square corten steel plate - John Steel

Custom-made square corten steel plate

  • Self-patinating steel
  • Perfect for outdoor use
  • Steel S355J0WP
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Do you need to cut holes or round off corners? Or even more? Customise my plate
Icône livraison Boost J+3 Delivered to your home with the Boost D+3* option: 7 September 2026
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Aspect

Known for its unique rusted finish, corten (or korten) steel is a mild steel with a natural patina. At the time of purchase, the custom-made corten steel plate has a 'rough-rolled' appearance, i.e. slightly rusty. To obtain corten's famous patinated and stabilized appearance, an oxidation process is required.

Applications

Mainly used outdoors for its decorative, designer look, corten steel sheet is perfect for embellishing a garden or urban space. Indoors, the steel must have completed its oxidation process before being installed. You can also apply a varnish or wax to a clean, dry surface.

Features

Corten sheet steel acquires its rusty appearance from alloys such as copper, chromium, nickel and molybdenum. Steel is considered sufficiently oxidized when it ceases to leave marks or dirt. At this point, the oxide is strong enough not to stain clothing. Corten steel develops a self-protecting patina that protects it from atmospheric corrosion.

To accelerate oxidation, steel can be sandblasted and then exposed to alternating wet and dry conditions as often as possible.

(*) As a raw material, this sheet shows scratches to varying degrees.

  • Properties : Suitable for outdoor use
  • Minimum dimensions: 30 x 30 mm
  • Maximum dimensions: 2980 x 1480 mm
  • Color: Evolves over time
  • Thickness: 1,5 mm
  • Forme : Square
  • Look: Soft and delivered unrusted
  • Material: Corten steel
  • Application: Outdoor (cladding, garden decoration) - Indoor (only at the end of the rusting process)
  • Defect: Visible scratches on both sides (*)
  • Reference: S355J0WP corten steel
  • Magnet Compatibility: Ideal for Magnets (Magnetic)
  • Edge Finish: Deburred (Safe to handle)
  • Corrosion Resistance: Self-protecting (Natural Oxidation)
  • Weldability: Excellent (TIG, MIG, Stick/Arc)
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