A588 Steel Plate Supplier | ASTM A588 Corten Steel Plate

ASTM A588 steel plate is widely used in bridges, outdoor structures, and heavy engineering projects due to its excellent atmospheric corrosion resistance and high strength.

• Ready stock for fast delivery
• Custom sizes & cutting services
• Export to 40+ countries
• Competitive price from reliable supply chain

Get a quote within 24 hours — send your inquiry now

A588 Steel Plate Supplier & Export Capabilities

As a reliable A588 steel plate supplier, CJM Steel focuses on providing stable supply and export solutions for global projects.

• Export experience to 40+ countries across Asia, Americas, Middle East, Africa, and Europe
• Long-term supply for contractors, distributors, and project buyers
• Flexible MOQ based on project requirements
• Stable inventory for fast order processing
• Custom processing services: cutting, sizing, surface treatment
• Full documentation support: MTC EN 10204 3.1 / 3.2, ISO certification

We support bulk orders and long-term supply contracts for infrastructure and industrial projects.

Available Sizes & Specifications

We supply ASTM A588 steel plates in both standard and customized dimensions:

• Thickness: 3–120 mm
• Width: 1500 / 1800 / 2000 / 2200 / 2500 mm
• Length: 6000 / 8000 / 12000 mm or customized
• Surface condition: mill finish, pre-rusted surface (patina), shot blasting

Custom dimensions and processing services are available based on your project needs.

Key Features of A588 Steel Plate

• High atmospheric corrosion resistance: natural protective patina forms after exposure.
• Low maintenance: significantly reduces or eliminates painting requirements.
• High strength: stronger than conventional mild steel for structural use.
• Good weldability & formability for fabrication projects.
• Cost-saving lifecycle performance due to reduced maintenance and extended service life.
• Aesthetic weathered finish suitable for modern architecture and industrial design projects.

Applications of A588 Steel Plate

A588 weathering steel plate is widely used in:

• Bridges and infrastructure projects
• Container houses and modular buildings
• Outdoor architectural structures and facades
• Industrial equipment and storage systems
• Marine and coastal engineering applications

It is often used as an alternative to traditional carbon steel in environments where corrosion resistance is critical.

Technical Specifications

1. ASTM A588 Chemical Composition

The ASTM A588 chemical composition is specifically designed to improve corrosion resistance in atmospheric conditions.

Element	Grade A	Grade B	Grade C
Carbon	≤0.19	≤0.20	≤0.19
Manganese	0.80–1.25	0.75–1.35	0.80–1.25
Phosphorus	0.04–0.09	0.04–0.09	0.04–0.09
Sulfur	≤0.05	≤0.05	≤0.05
Silicon	0.15–0.50	0.15–0.50	0.15–0.50
Cu	0.20–0.40	0.20–0.40	0.20–0.40
Cr	0.40–0.65	0.40–0.70	0.40–0.65
Ni	≤0.50	≤0.50	≤0.50

2. Mechanical Properties

Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)
A588	≥345	485–620	≥20

A588 provides significantly higher atmospheric corrosion resistance than standard carbon steel, making it suitable for long-term outdoor service without coating.

A588 Steel Equivalent & Comparison

Common equivalents of A588 steel plate in other standards include:

• EN: S355J2W / S355K2W
• JIS: SPA-H
• GB: Q355NH

Compared with regular carbon steel, A588 offers significantly better corrosion resistance. Compared with Corten steel, it is often considered the ASTM equivalent (similar to Corten B in performance). For projects requiring long-term outdoor exposure, A588 provides a more durable and cost-effective solution.

For projects requiring a detailed comparison between weathering steel and conventional carbon steel, you can explore our technical guide on performance differences in outdoor environments.

A588 Steel Plates Packaging & Shipment

We provide secure and professional packaging solutions to ensure safe delivery of A588 steel plates for international shipments.

• Standard seaworthy export packing
• Steel strip bundling with protective wrapping
• Surface protection available upon request
• Suitable for container and bulk vessel transport
• Delivery time: typically 7–15 days after order confirmation

Customized packaging solutions are available based on transportation and project requirements.

Send Us Your Inquiry Now

Looking for a reliable A588 steel plate supplier?

Send your inquiry today to get:

• Fast quotation within 24 hours
• Competitive pricing
• Custom sizes and processing
• Global delivery support

Contact us now to discuss your project requirements.

Q: What is your company’s main products/services?

A: We are a professional manufacturer for Carbon Steel, Alloy Steel and Profile products. We have the experience of steel business for more than 10 years and our products are exported to Mid East,South America,Southeast Asia,Africa,South and East Asia etc.

Q: Can I go to your factory for a visit?

A: Of course, we welcome customers from all over the world to visit our factory.

Q: What are your terms of payment?

A: 30% T/T deposite and 70% balance before shipment.

Q: What is your delivery time?

A: For stocks,we could transport the goods to loading port within 7 days after we received the deposit; For production,it usually takes about 15-30 days after receiving the deposit.

Q: Do you provide samples? Are they free or paid?

A: Samples are available for free,but the courier freight will be covered by customer account.

Q: Do you accept the third party inspection?

A:Yes, we fully accept ‌third-party inspections.

Q: Why should I buy from you not from other suppliers?

A: Integrating the superior resources of China’s steel industry, we provide customers with high-quality steel products at preferential prices, and can ensure that the goods are delivered to customers in a timely manner.

Q:How can you guarantee quality?

A: Always a pre-production sample before mass production;Always 100% inspected before shipment