Corrosion-Resistant Steel Solutions – ASTM A242, A588 & A606 Plates for Long-Lasting Performance

Overview: Why Choose Weathering Steel?

Weathering steel plate—also known as corten steel—is engineered to offer superior corrosion resistance by forming a stable rust-like appearance after exposure to the elements. Unlike traditional carbon steels, ASTM A242, A588, and A606 weathering steel grades are designed for long-term outdoor use without painting or frequent maintenance.

With excellent mechanical strength, aesthetic appeal, and extended lifespan, these corrosion-resistant plates are widely used in bridges, containers, structural buildings, sculptures, and railway applications.

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Product Grades and Applications

We supply three primary grades of weathering steel plates, each tailored for specific industrial and architectural needs:

• ASTM A242 Steel Plate
  Commonly used in bridges, outdoor sculptures, and architectural cladding for its high atmospheric corrosion resistance and stable oxide layer.
• ASTM A588 Steel Plate
  Ideal for structural components, industrial warehouses, and power plants, offering excellent weldability and strength.
• ASTM A606 Type 4 Steel Sheet
  Designed for cold forming, shipping containers, and lightweight structural elements. Available in sheet and coil formats.

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Specifications & Standards

Grade	Standard	Thickness	Width	Length	Surface
A242	ASTM A242	4–50mm	1000–3000mm	≤12,000mm	Mill / Shot-Blasted
A588	ASTM A588	4–80mm	1000–3000mm	≤12,000mm	Mill Finish
A606	ASTM A606 Type 4	1.2–12mm	800–2000mm	Coil / Sheet	Coil / Cut Length

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Chemical Composition & Mechanical Properties

Chemical Composition (%)

Element	A242	A588	A606
C (max)	0.15	0.19	0.22
Mn	0.50–1.35	0.75–1.35	0.60–0.90
P	0.15	0.04	0.10
S	0.05	0.05	0.05
Cu	0.25–0.55	0.20–0.40	0.20–0.40
Cr	0.50–1.00	0.40–0.65	0.40–0.70
Ni	—	≤0.50	≤0.40

Mechanical Properties

Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)
A242	≥345	485–620	≥20
A588	≥345	485–620	≥20
A606	≥275	420–550	≥18

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Typical Use Cases

• Highway Bridges & Rail Bridges (A242 / A588)
• Shipping Containers & Storage Boxes (A606)
• Architectural Projects & Façades (A242 / A588)
• Outdoor Sculpture & Urban Furniture (A242)

Need a customized size or surface treatment? Contact our team for tailored solutions.

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Key Features & Advantages

✅ Corrosion-Resistant: Built to withstand weather exposure without painting.
✅ Low Maintenance: Eliminates the need for costly coatings.
✅ High Strength: Stronger than standard mild steel with good weldability.
✅ Sustainable: Reduced maintenance and longer lifespan lower the lifecycle cost.
✅ Aesthetic Finish: Natural patina finish blends well with outdoor environments.

Popular in bridge steel, container plate, and architectural corten steel applications.

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Packaging & Shipment

• Type: Standard seaworthy packing
• Delivery Time: 7–15 days after payment
• Packaging Details: Bundled with steel strips, plastic film wrapped, or customized per customer request

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Why Choose Us?

🌍 Global Exporter: 15+ years experience supplying weathering steel plates to over 40 countries.
🧾 Certified Quality: Mill test reports, EN10204 3.1/3.2, ISO 9001 & CE certifications.
🚀 Fast Delivery: Large inventory and efficient logistics network.
💰 Best Price Guarantee: Competitive rates with premium quality assurance.

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Factory & Equipment‌

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Send Us Your Inquiry Now

Looking for a reliable ASTM A242 / A588 / A606 weathering steel plate supplier?
Get a quote within 24 hours. We support OEM orders, cut-to-length, and fast shipping.

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