Corten Steel

 

Corten & Weathering steel structural sections, Corten Metal Roofing, Cladding and Facade and Corten Architectural Materials.

 

Available in Section Form or to Bespoke requirements, in grades ASTM A606-4, ASTM A588 and ASTM A847. 

 

Corten is a Steel that develops a ‘rusty’ appearance after some time when left to weather.  It can also be  called Atmospheric Corrosion Resistant Steel or Weathering Steel.

Often used in Architectural and Ornamental design it is also incorporated into buildings, Cladding, Corrugated Roofing, Guttering, Sculptures and Garden Planters and Border Edging.

We can supply Natural Corten to allow the elements to work on the 'weathering' process once fitted into place or we can offer Pre-Weathered Corten along with a Lacquer or full Epoxy finish for interior use or to protect the Corten from further weathering by the elements.

 Depending on the degree of weathering finish that is desired, we can speed this up in our workshop by using our own in-house custom Weathering Treatment.

We can supply, cut, fold, profile and fabricate Corten Products, Cladding, Roofing and Facade.

Whether it be one panel or 1000 we can offer a full design service to match your needs with no minimum order charge.

 

 

MSW can offer Corten & Weathering steel in a variety of product forms. Our product range includes structural and architectural Corten such as:

 

Corten Coil

Corten Sheet

Corten Flat Bar

Corten Round Bar

Corten Square Bar

Corten Tube

Corten Box Tube

Corten Angle

Corten Beam

Corten Column

Corten Channel

Corten Roofing

Corruagated Corten Roofing

Corten Cladding

Corten Facade

Corten Guttering

Corten Wire Mesh

Corten Perforated Sheet

Corten Landscape Edging

Corten Planters

Corten Firebowls

Corten Interior Panels

Corten Splash Backs

Corten Steel Structure, and Corten Sculpture
Custom Natural Weathered Corten Finish
Custom Natural Weathered Corten - Corten Cladding

ABOUT CORTEN

Corten or (COR-TEN) steel is an architectural weathering steel that develops a protective and attractive rusty appearance when exposed to weather. Corten can also be referred to as Atmospheric Corrosion Resistant Steel.

Corten is resistant to rain, snow, ice, and general weather, making the need to use painted or powder-coated finishes obsolete. When forming an oxidised layer Corten will produce a dark brown to orange brown appearance when fully weathered.

GRADES A588 & A606-4

Corten A588 and A606-4 are both Weathering Steel.

A588 is available in Steel Plate and starts at 5mm and above, while A606-4 is generally for thicknesses below this.

CAN CORTEN BE WELDED?

Yes, Corten and Weathering Steel can be welded using the welding wire or rod with the same tensile strength of the base metal. The typical tensile strength of Corten is 68-78 KSI. Only welding Weathering Steels of the same type and grade is recommended to avoid a reaction between metals of differing types.

CORTEN vs GALVANISED AND PLASTICOAT ROOFING

Corten contains Copper, Chromium, Manganese, and Nickel which makes this material more expensive, however Corten resists the corrosive effects of weathering by forming an oxidised coating producing a dark brown patina over the metal which inhibits corrosion into the Corten material and negates the requirement for painting or applying other protective coatings, which would need to be re-applied or require further maintenance over coming years.

Corten roofing can be supplied as complete Corten Coils or Flat Sheets, or in pre-formed corrugated Corten Panels.

UNDERLAY FOR USE WITH CORTEN ROOFING AND FACADE

A high temperature underlay is recommended for use with Corten material.

WILL THE RUST CAUSE STAINING TO THE SURROUNDING AREA?

Yes, rust run-off can cause staining during the oxidation process and run-off control should be allowed for.

COLOUR MATCHED FIXINGS

Screws, Bolts and Fixings for Corten can be colour coded with powder-coated heads to match in with chosen Corten Weathering finish.

CORTEN SHEET & PLATE

Corten sheet can be supplied from 0.7mm to Corten Plate of thicknesses including and above 127mm (5”), according to your design requirements.

CORTEN COIL OR FLAT SHEETS?

Corten Coil is generally used where a thinner gauge is required to allow the material to be formed into panels. Corten Flat Sheets have wide uses from Landscaping to Architectural and Construction.

CLEARCOAT FINISHES FOR ARCHITECTURAL USE

Corten sheets and other Corten sections can be treated with Clearcoats or various forms. Some that we offer range from 2-pack and Cellulose Clear Coats to Crystal Epoxy.

Before applying a Clear Coat, the oxidation of the Corten patina must be fully formed, and any moisture from the Corten allowed to dry out naturaly or be removed, as this can affect the adhesion and finish of the clearcoat.

We would always recommend testing your Clear Coat on spare material before applying to finished products.

DOES IT COME PRE-RUSTED?

No, Corten comes as a standard black/grey finish that will oxidise naturally over time. For architectural use this can be accelerated with a finishing accelerant, which can be useful on architectural Corten for internal use.

WHAT IS THE LIFESPAN OF CORTEN & WEATHERING STEEL?

There is no specific answer as it depends on the surrounding environment, the installation, thickness of material etc.

CORTEN A & B

A 242 grade is referred to as CORTEN A, while A 588 is referred to as CORTEN B.

ARE CORTEN SECTIONS AVAILABLE?

Yes, Corten is available as:

  • Corten Tube
  • Corten Box
  • Corten Channel
  • Corten Bar
  • Corten Beam
  • Corten Column

BESPOKE CORTEN & PERFORATED CORTEN        

Corten can be supplied in Perforated and Mesh forms, along with Corten Expanded Metal. All of these can be supplied as standard dimensions or to bespoke requirements.

Please refer to our ranges of:

  • Corten Mesh
  • Corten Perforated Sheet
  • Corten Expanded Metal Sheet
  • Corrugated Corten