ASTM A588 Gr.A Corrosion Resistant Corten Steel Plate

ASTM A588 Grade A steel is a high-strength, low-alloy structural steel commonly used in construction and other heavy-duty applications. It is known for its exceptional corrosion resistance and ability to withstand harsh environmental conditions.

The steel is primarily composed of iron, with small amounts of copper, chromium, and nickel, which enhance its resistance to atmospheric corrosion. ASTM A588 Grade A steel is often used in outdoor structures such as bridges, buildings, and transmission towers, where its durability and weathering properties make it a reliable choice.

Its superior strength and corrosion resistance make it suitable for a wide range of demanding applications, delivering long-lasting performance and structural integrity.

If you are looking for ASTM A588 Grade A steel plates for bridge construction, coastal structures, or façade renovation projects, GNEE, as a professional weathering steel exporter, can supply products with EN 10204 3.1 Mill Test Certificate (MTC) and Salt Spray Test compliance.

 

We can provide various surface finishes for A588 Gr. A Weathering steel plates according to different engineering requirements to meet cutting, welding, and structural fabrication needs. For thin plates, we typically offer hot-rolled or shot-blasted surfaces to ensure a clean and uniform finish, making them suitable for laser cutting.

 

ting and precision fabrication. For heavy plates, we supply hot-rolled or controlled-rolled flat surfaces, and shot blasting is available upon request to ensure excellent flatness and good processing performance for welding and structural assembly.

 

A588 Corten Steel Plate

A588 Weathering Steel Plate

Delivery Condition of ASTM A588 Grade A

 

ASTM A588 Grade A weathering steel is typically supplied in the hot-rolled condition unless otherwise specified. Optional conditions such as normalizing, controlled rolling, or surface blasting can be provided according to project requirements.

 

ASTM A588 Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S	Ni	Nb
A588	0.19	0.30-0.65	0.80-1.25	0.04	0.05	0.40	..
	Cu	Cr	Mo	N	V
	0.25-0.40	0.40-0.65	…	0.01	0.02-0.10

 

Mechanical Property of A588GrA steel plate	A588GrA
Tensile strength, kis [MPa]	Tensile strength, kis [MPa]
100mm or under	[485]
100mm-125mm	[460]
125mm-200mm	[435]
Yield strength, min, kis [MPa]	Yield strength, min, kis [MPa]
100mm or under	[345]
100mm-125mm	[315]
125mm-200mm	[290]
Elongation in under. [50 mm], min, %	21
Elongation in under. [50 mm-200mm], min, %	18

 

Processing of ASTM A588 Corten Steel Plate

 

Condition	Description	Application
As Rolled (AR)	Hot rolled surface	General structural use
Shot Blasted	Clean, roughened surface	Welding & fabrication
Pre-weathered	Controlled rust layer	Architectural design
Oiled Surface	Anti-rust protection	Transport & storage

In bridge engineering, it is widely used for bridge main girders, supporting structures, piers, and steel box girders, which are long-term outdoor load-bearing structures.

In building and structural engineering, it is suitable for building curtain walls, façade decoration, steel structural frames, industrial plant structures, and wind-resistant structures.

In landscape and municipal engineering, it is commonly used for landscape sculptures, weathering steel fences, planter retaining walls, park facilities, and urban public art installations.

In transportation and industrial facilities, it can be used for railway vehicle structures and container manufacturing.

GNEE maintains over 20,000 tons of weathering steel and structural steel inventory. We are equipped with heavy-duty automatic cutting production lines, enabling precise processing of hot-rolled steel plates into customized sizes with millimeter-level tolerance control.

In addition to standard specifications, we also provide tailor-made cutting services according to customer requirements. Our average monthly processing and delivery capacity exceeds 3,000 tons.

Contact now to get the A588 Gr A Corten Steel Plate free Sample and Stocket List

For standard specifications of ASTM A588 Grade A weathering steel plates (such as 1000×2000mm, 1500×3000mm, 1500×6000mm, etc.), we usually arrange shipment within 5–10 working days after receiving the order.

For customized orders, including special thickness, non-standard width or length, and project-based processing requirements (such as cutting, shot blasting, or pre-weathering treatment), the delivery time is typically 10–25 days, depending on processing complexity and order quantity.

Each batch of ASTM A588 Grade A steel plates we supply is provided with an EN 10204 3.1 Mill Test Certificate (MTC), ensuring full compliance with ASTM A588 chemical composition and mechanical property requirements, and enabling full traceability and quality control throughout the supply chain.

ASTM A588 Grade A weathering steel plates are packed with seaworthy export packaging to ensure safe transportation and stable surface quality during shipping.

A588 Gr. A Steel plates are typically bundled with steel straps and supported by wooden pallets or steel skids for easy handling and container loading, with edge protectors applied to prevent impact deformation.

The outer layer is wrapped with waterproof materials, and desiccants may be added when necessary to reduce moisture exposure during sea transport.

During container loading, wooden blocks are used for internal reinforcement, and final quantity and packaging inspections are conducted before shipment to ensure safe and controlled transportation.