Product Introduction
ASTM A588 Grade B is a U.S. standard high-strength weathering structural steel plate (astm a588 steel), designed for long-term use in severe atmospheric conditions.
Also known as corten a588 steel sheet or astm a588 weathering steel, this material develops a dense, stable oxide layer on its surface when exposed to the elements.
This natural patina effectively prevents moisture, oxygen, and corrosive substances from penetrating the steel, greatly improving its atmospheric corrosion resistance.
Compared with regular carbon steel, A588 steel plate offers higher strength, excellent toughness, and superior workability.
It is widely used in bridge construction, building structures, marine engineering, transportation equipment, and landscape projects.
Whether used as an astm a588 plate for structural applications or as decorative weathering steel panels, it delivers both durability and aesthetic value.
Features
Outstanding Weather Resistance
As a premium astm a588 weathering steel, it contains copper, nickel, and chromium, which promote the formation of a dense protective rust layer in outdoor environments.
Performs exceptionally well in unpainted conditions, making it ideal for bridges, facades, and marine applications.
High Strength & Toughness
Yield strength ≥ 345 MPa, tensile strength around 480 MPa, ensuring excellent load-bearing capacity.
High toughness allows it to withstand heavy loads and impacts without compromising structural integrity.
Excellent Workability
Suitable for welding, cutting, bending, rolling, and forming into various shapes.
Versatile enough to be used in both structural A588 steel plate fabrication and artistic design.
Cost-Effective & Eco-Friendly
Long service life with minimal maintenance compared to painted steel structures.
Chemical Composition (%)
|
Grade |
C |
Si |
Mn |
P |
S |
Cr |
V |
Ni |
Cu |
|
A588 Gr B |
≤0.20 |
0.15–0.50 |
0.75–1.35 |
≤0.040 |
≤0.050 |
0.40–0.70 |
0.01–0.10 |
≤0.50 |
≤0.50 |
Mechanical Properties
|
Thickness Range |
Yield Strength (MPa) |
Tensile Strength (MPa) |
|
0–100 mm |
≥340 |
≥480 |
|
102–127 mm |
≥320 |
≥460 |
|
127–203 mm |
≥290 |
≥430 |
Applications
Bridge Engineering
Bridge superstructures, decks, and supporting members made from astm a588 plate ensure long service life with minimal upkeep.
Construction
High-rise buildings, facade cladding, roofing panels.
The unique patina of corten a588 steel sheet enhances architectural design.
Marine & Port Engineering
Offshore platforms, port machinery, seawalls, and breakwater structures where astm a588 steel resists salt spray corrosion.
Transportation Equipment
Containers, freight railcars, cargo ships built with A588 steel plate offer high corrosion resistance in harsh environments.
Energy Facilities
Wind turbine towers, transmission towers, communication towers using astm a588 weathering steel maintain stability in all climates.
Landscape & Decoration
Outdoor sculptures, garden features, and architectural art installations crafted from corten a588 steel sheet combine durability with aesthetic appeal.
The ASTM A588 corten plate combines high strength, excellent weather resistance, great workability, and cost efficiency. Whether referred to as astm a588 plate, A588 steel plate, or corten a588 steel sheet, it is the preferred choice for structures exposed to atmospheric conditions for extended periods.
From bridges and buildings to marine and landscape applications, astm a588 weathering steel offers long-lasting structural performance and distinctive visual character.
With years of export experience, Gnee understands international standards and buyer needs. We offer complete overseas supply solutions – from design to delivery – and support various trade terms including FOB, CIF, and DDP.
You will benefit from:
- Fast sampling and competitive quotations
- Professional export packaging and container loading plan
- Third-party inspection and mill certificates available
- Full English service and real-time order tracking
- Custom labeling and neutral/personalized branding support
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