Prime Quality Corten Steel Coil - Weathering Resistant for Architectural Use
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Prime Quality Corten Steel Coil
| Property | Parameter | Description |
|---|---|---|
| Product Name | Prime Quality Corten Steel Coil | Weathering resistant steel coil with protective patina |
| Material Grade | ASTM A588 / A242 / SPA-H / S355J2WP | International weathering steel grade equivalents |
| Standard Compliance | ASTM A606, EN 10025-5, JIS G3125 | Meets major international weathering steel standards |
| Carbon (C) | ≤0.12% | Low carbon for improved weldability |
| Silicon (Si) | 0.25-0.75% | Enhances oxidation resistance |
| Manganese (Mn) | 0.20-0.50% | Improves strength and toughness |
| Chromium (Cr) | 0.50-1.25% | Key element for atmospheric corrosion resistance |
| Copper (Cu) | 0.25-0.55% | Promotes protective patina formation |
| Phosphorus (P) | 0.07-0.15% | Enhances weathering resistance |
| Nickel (Ni) | ≤0.65% | Improves toughness and corrosion resistance |
| Tensile Strength | ≥485 MPa | Minimum tensile strength per ASTM A588 |
| Yield Strength | ≥345 MPa | Minimum yield strength |
| Elongation | ≥18% | Ductility in 200mm gauge length |
| Thickness Range | 1.5 - 25 mm | Available coil thickness options |
| Width Range | 1000 - 2000 mm | Standard and custom widths available |
| Coil Weight | 5 - 30 tons | Standard coil weight range |
| Surface Finish | Pickled, Oiled, Mill Finish, Pre-weathered | Multiple surface treatment options |
| Application | Architecture, Bridges, Containers, Facades | Outdoor structural and decorative applications |
| Certification | EN 10204 3.1, ISO 9001, Mill Test Certificate | Quality certifications provided |
| MOQ | 5 tons | Minimum order quantity |
Prime Quality Corten Steel Coil - Weathering Resistant for Architectural Use
Prime quality corten steel coil is an advanced weathering steel product engineered to develop a stable, self-protecting rust patina when exposed to atmospheric conditions. This distinctive oxide layer eliminates the need for painting, delivering exceptional longevity and reduced lifecycle costs. Architects, structural engineers, and industrial fabricators rely on corten steel coil for projects demanding both aesthetic character and superior durability in outdoor environments.
What Is Prime Quality Corten Steel Coil?
Prime quality corten steel coil refers to hot-rolled or cold-rolled weathering steel supplied in coil form, manufactured with controlled additions of copper, chromium, nickel, and phosphorus. These alloying elements enable the steel to form a dense, adherent oxide patina that acts as a protective barrier against further atmospheric corrosion, achieving corrosion rates approximately four to eight times slower than plain carbon steel under equivalent exposure conditions.

Corten Steel Coil Technical Specifications
Our corten steel coil is produced in compliance with ASTM A588/A588M-19 and EN 10025-5:2019 (S355J0WP / S355J2W). Key parameters include:
| Property | Corten A (ASTM A242) | Corten B (ASTM A588) |
|---|---|---|
| Yield Strength | 345 MPa minimum | 345 MPa minimum |
| Tensile Strength | 480–620 MPa | 485–620 MPa |
| Thickness Range | 1.5 mm – 16.0 mm | 1.5 mm – 25.0 mm |
| Coil Width | 1000 mm – 2000 mm | 1000 mm – 2000 mm |
| Phosphorus Content | 0.07–0.15% | 0.04% max |
| Copper Content | 0.25–0.55% | 0.20–0.40% |
Each coil ships with a mill test certificate (MTC) per EN 10204 Type 3.1, documenting chemical composition and mechanical properties.
Key Applications of Weathering Steel Coil
- Architectural cladding and façades: The naturally evolving patina creates a distinctive warm-toned finish favored in contemporary building design.
- Bridge and infrastructure construction: Corten B grade serves critical roles in structural bridge components where long-term maintenance reduction is essential.
- Landscape sculpture and urban furniture: Designers select corten coil for outdoor art installations and park structures exposed to year-round weather cycles.
- Shipping container manufacturing: The robust anti-corrosion properties extend container service life in marine and intermodal transport environments.
Frequently Asked Questions
What is the minimum order quantity (MOQ) for corten steel coil?
Our standard MOQ is 5 metric tons per grade and thickness combination. Mixed-specification orders are available for project-based requirements upon consultation.
Do you provide material test certificates?
Yes. Every shipment of prime quality corten steel coil includes an original mill test certificate conforming to EN 10204 Type 3.1, verifying chemical analysis, mechanical test results, and heat traceability.

What is the typical delivery time?
Stock items ship within 7–10 business days. Custom-dimension or large-volume orders typically require 20–30 days depending on mill production scheduling.
Can you supply corten coil cut to custom sizes?
Absolutely. We offer slitting to custom widths from 50 mm and cut-to-length processing into flat sheets, ensuring minimal material waste for your specific fabrication needs.
Get a Competitive Quote for Prime Quality Corten Steel Coil
Looking for factory-competitive pricing on weathering resistant corten steel coil? Contact our sales team today with your required grade, thickness, width, and quantity. We provide tailored solutions backed by over 15 years of steel export experience, reliable logistics coordination, and dedicated after-sales support for every order.

Ratings & Reviews
Know your supplier
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request