Weathering Steel (Corten) Buyers Guide: Grades and Uses

Weathering Steel (Corten) Buyers Guide: Grades and Uses

Short answer: Weathering steel forms a stable rust patina that protects against further corrosion, so A588 and S355J2W grades suit bridges, facades and outdoor structures without paint; our Weathering Steel Guide e Construction Guide give the supporting detail.

At a Glance

Weathering Steel (Corten) Buyers Guide: Grades and Uses chart
Figure 1 – Weathering Steel (Corten) Buyers Guide: Grades and Uses overview.

Grades and Patina

A588 and S355J2W build a protective layer, with the basis in our Steel Plate Supplier and corrosion notes in our Corrosion Resistance Guide.

Design and Use

Weathering steel needs drainage to avoid trapped water, with strength data in our Comparação de forças and welding in our Welding Guide; a quick spec summary is below.

Grau Yield MPa Use
A588 345 Bridges
S355J2W 355 Structures
Corten A 355 Facades

Inspection and Certification

Check chemistry and patina onset, with tests in our Quality Inspection Guide and certification in our Mill Test Certificate Guide.

Procurement Tips

Buy certified plate and sections and pack for long transit with our Export Packing Guide.

Get a Quote

Tell HXSCO your requirements and we will respond with a competitive quote and lead time.

Perguntas frequentes

What is weathering steel?

Steel that forms a protective rust patina, no paint needed.

Which grades are common?

A588, S355J2W, Corten A and B.

Where is it used?

Bridges, facades, towers and outdoor art.

Does it need maintenance?

Minimal – keep it drained and avoid trapped water.

Do you certify weathering steel?

Yes – mill test certificates and traceability.

Buy Weathering Steel from HXSCO

HXSCO supplies A588, S355J2W and Corten plate and sections for bridges and facades. Send grade, thickness and quantity for a quote.

Request a Quote