Product Overview
Corten B Steel Plate, also referred to as ASTM Corten B, is a high-strength, low-alloy structural steel known for its outstanding resistance to atmospheric corrosion.
Developed under the ASTM specification, Corten B forms a self-protective oxide layerust-like patina not only prevents further oxidation but also eliminates the need for painting or coatings.
High Strength Corten B Plate is particularly well-suited for heavy load-bearing structures, where durability, mechanical performance, and low maintenance are required over long service lifespans.
This steel grade is widely used in structural engineering, vehicle manufacturing, bridges, architectural components, and containers.
Features
Enhanced Corrosion Resistance
Built-in weathering ability
Develops a protective oxide film on surface
Resists atmospheric corrosion, acid rain, and industrial pollutants
High Mechanical Strength
Excellent load-bearing capacity
Suitable for heavy-duty structural frameworks
Natural Rust Finish
Aesthetic "rusty" look perfect for modern architecture
Does not require paint or surface coating
Versatile & Reliable
Suitable for fabrication, welding, cutting, and forming
Ideal for industries with demanding performance and design requirements
Mechanical Properties of Corten B Steel Plate
|
Thickness (mm) |
Yield Strength (MPa) |
Tensile Strength (MPa) |
Elongation (%) |
|
≤ 16 mm |
≥ 355 |
470 – 630 |
≥ 20% |
|
> 16 mm ≤ 50mm |
≥ 345 |
470 – 630 |
≥ 20% |
Available Specifications
|
Parameter |
Range |
|
Thickness |
1 mm – 100 mm |
|
Width |
1000 mm – 3000 mm |
|
Length |
3000 mm – 12000 mm |
|
Surface |
Hot rolled, rusted, pickled |
|
Form |
Sheet, Plate, Coil, Cut-to-size |
Applications
✔ Bridges and heavy load-bearing structures
✔ Railway wagons and shipping containers
✔ Weather-exposed industrial facilities
✔ Steel towers, poles, and structural supports
✔ Modern architecture, facades, and urban landscaping
✔ Mobile equipment and vehicle body manufacturing
Quality Assurance & Processing Services
Ultrasonic Testing (UT)
Mechanical & Chemical Testing
Hardness, Flaring, Flattening Tests
Third-party Inspection (SGS, BV, etc.)
Surface Rusting (Pre-weathered Finish Optional)
Cutting, Shearing, Plasma/Waterjet CNC Services
Looking for Corten B Weathering Steel Plate for your next industrial or architectural project?
Contact us for datasheets, pricing, or mill test certificates. We guarantee best quality, on-time delivery, and expert support.
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What is corten B steel?
Corten B is a weather resistant steel which is better suited for heavy and load bearing structures. The material forms its own protective layer when exposed to atmospheric elements. Essentially, the top layer corrodes which then protects the steel beneath it.
What is the difference between corten A and B?
orten A: Offers superior strength and toughness compared to Corten B, making it ideal for heavy-duty structural applications where additional strength is required. Its mechanical properties make it more suitable for high-stress environments.
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