ASTM A588 GR B Corten Steel Plates & Sheet for bridges

Nov 12, 2025 Leave a message

ASTM A588 Grade B Corten Steel Plate Specifications

Grade ASTM A588 Gr.B Corten Steel Plates
Standard ASTM A588 / ASME SA588
Width 750mm – 1500mm
Length Up to 12,000mm
Thickness 0.8mm – 50mm
Type Corten Steel / Weathering Steel
Process Hot Rolled (HR)

 

Chemical Composition of ASTM A588 Grade B Corten Steel

Grade C Mn Cr Si N S Cu P Ni
ASTM A588 Gr.B ≤0.19 0.80–1.25 0.40–0.65 0.30–0.65 0.010 0.040 0.25–0.40 0.05 0.05

 

Mechanical Properties of ASTM A588 Grade B Corten Steel

Grade Thickness (mm) Yield Strength ReH (MPa) Tensile Strength Rm (MPa)
ASTM A588 Gr.B 0 – 100 ≥340 ≥480
ASTM A588 Gr.B 102 – 127 ≥320 ≥460
ASTM A588 Gr.B 127 – 203 ≥290 ≥430

 

Equivalent Standards for ASTM A588 Grade B Corten Steel Plate & Sheet

Application British Standard Japanese (JIS) German (DIN / EN) American (ASTM)
Air Pre-Heaters BS 6323-5 / BS 6323-6 JIS G 3445 DIN 17177 / EN 10217-1 & 2 / EN 10305-2 & 3 ASTM A423 Gr.1 / ASTM A214

 

Application Industries for ASTM A588 Grade B Corten Steel Plate & Sheet

This material is widely used across multiple industrial sectors, including:

Industry Sectors
Petrochemical & Refining
Oil & Gas
Paper & Pulp
Power Generation & Nuclear Plants
Cement & Sugar Processing
Fertilizers & Breweries
Chemical & Engineering Industries
Shipbuilding & Offshore Structures
Defence & Mining Applications
Steel Plants & Construction Projects

Oil Mills & Heavy Machinery Fabrication

 

Why Choose Gnee Steel for ASTM A588 Grade B Corten Steel Plates & Sheets?

info-457-463Leading Global Supplier
Gnee is a professional manufacturer and exporter of Corten Steel ASTM A588 Grade B plates and sheets, serving clients in more than 60 countries.

 

Large Production Capacity
Our advanced rolling mills and cutting facilities ensure high-volume production, allowing us to handle both standard and customized bulk orders efficiently.

 

Extensive Ready Stock
We maintain a comprehensive inventory of ASTM A588 Grade B products, enabling us to meet urgent project requirements with fast dispatch.

 

Prompt and Safe Delivery
All products are securely packed and shipped with care. We guarantee fastest possible delivery to any global destination.

 

Uncompromising Quality
Every steel plate undergoes strict quality inspection and meets ASTM/ASME standards, ensuring durability, corrosion resistance, and mechanical reliability.

 

Customer-Centric Service
Gnee provides tailor-made technical support, value-added processing (cutting, welding, painting), and documentation (EN 10204 3.1/3.2 certificates) to meet diverse project needs.

 

What is the difference between Grade A and Grade B A588?

Astm a588 gr a sheet material has a slightly different chemical composition than grade b. The latter has higher copper and chromium levels. Due to the compositional difference, grade b shows more resistance to corrosion than gr a.

 

What is A588 steel used for?

A588 steel was developed primarily for industries requiring outdoor structural steel solutions, wherever there is a need for a combination of lighter weight, higher durability, and exceptional corrosion resistance. You will primarily find A588 steel plate in welded bridges, buildings, and other structures.

 

Can A588 be galvanized?

Can weathering steel (e.g. ASTM A588, A709 Weathering, COR-TEN) be galvanized? Weathering steel can be galvanized successfully and is considered for applications such as bridges, transmission towers, lamp standards, and pole-line hardware.

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