Product Overview

Corten A Steel Plate, also known as weathering steel, is a high-strength alloy steel developed for superior performance in atmospheric conditions.
It is designed to naturally develop a protective oxide layer (patina) on its surface when exposed to the environment.
This rust-like appearance not only enhances its corrosion resistance but also gives it a distinctive architectural appeal.
Gnee Steel, a legally certified and experienced supplier, offers a comprehensive range of Corten A / B plates to global and domestic customers.
Our High Strength Corten A Plate is produced to international standards, ensuring long-term durability and low maintenance in even the most demanding environments.
Available Specifications
|
Parameter |
Range |
|
Thickness |
1 mm – 300 mm |
|
Width |
1000 mm – 2500 mm |
|
Length |
3000 mm – 18000 mm |
|
Delivery State |
Hot-rolled, Cold-rolled, Sheared, Cut-to-size |
Features

Weathering Resistance
Forms a stable, protective oxide film on the surface
Eliminates the need for painting or surface treatment
Withstands variable climate conditions including humidity, rain, and pollution
High Strength-to-Weight Ratio
Excellent mechanical properties for structural applications
Allows design flexibility while ensuring load-bearing capacity
Visual Appeal for Architecture
Warm, rustic appearance ideal for facades, sculptures, and outdoor art
Natural aging process enhances aesthetics over time
Wide Availability
Supplied in custom sizes and industrial specifications
Fast and efficient delivery worldwide
Mechanical Properties of Corten A Steel Plate
|
Property |
Value (Typical) |
|
Yield Strength |
455 – 550 MPa |
|
Tensile Strength |
495 – 630 MPa |
|
Elongation |
max 22% |
|
Hardness |
165 – 185 HBW |
|
Thickness Range |
5 mm – 300 mm |
Chemical Composition
|
Element |
Content (%) |
|
Carbon (C) |
≤ 0.12 |
|
Silicon (Si) |
≤ 0.75 |
|
Manganese (Mn) |
0.75 – 1.00 |
|
Phosphorus (P) |
≤ 0.15 |
|
Sulfur (S) |
≤ 0.030 |
This carefully balanced chemistry is what enables Corten A corten metal sheet to self-heal via its rust patina and resist atmospheric corrosion naturally.
Why Choose Gnee Steel & Alloys?

✔ Certified, experienced global supplier
✔ Adherence to international standards (ASTM, ASME)
✔ Factory pricing and large inventory
✔ On-time delivery through trusted logistics partners
✔ Excellent customer support and custom order handling
Delivery & Lead Time
Product availability depends on current stock levels. For non-stocked sizes or special specifications, lead time is based on custom manufacturing and order volume.

All products are shipped through top-tier logistics partners, ensuring timely delivery and secure transportation.
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