Weathering Steel Coil Exporter - High-Quality Corten Steel Coils for Global Projects

Baiqu Steel Coil Manufacturing Co., Ltd.

Verified Custom manufacturer · 4 yrs ·

China

Customizable Rock-bottom price

$730 1-49 ton Base price

$698 50-99 ton 4.4% off

$682 ≥100 ton 6.6% off

Price validity: subject to market conditions

Supplier's customization ability

Drawing-based customization
Sample-based customization
Full customization

Quantity

Minimum order quantity: 1 ton

Shipping total: To be negotiated

Subtotal of goods US$ 730.00

Start order request

Payment and delivery

Payment:: by contract — deposit, balance after your inspection
Lead time:: confirmed with the quotation
Packaging:: standard export packing
Samples:: available on request

Product details

Technical Specifications of Weathering Steel Coil for Export

Property	Parameter	Description
Product Name	Weathering Steel Coil	Atmospheric corrosion resistant steel coil
Material Grade	ASTM A588 / A242 / SPA-H / 09CuPCrNi-A / S355J2WP	International grade equivalents for Corten steel
Standard Compliance	ASTM A606, ASTM A588, EN 10025-5, JIS G3125	Meets major international weathering steel standards
Carbon (C)	≤0.12%	Low carbon for improved weldability
Chromium (Cr)	0.50-1.25%	Enhances atmospheric corrosion resistance
Copper (Cu)	0.25-0.55%	Key element for protective patina formation
Phosphorus (P)	0.07-0.15%	Improves corrosion resistance and strength
Nickel (Ni)	0.12-0.65%	Enhances toughness and corrosion resistance
Manganese (Mn)	0.20-1.25%	Improves strength and hardenability
Tensile Strength	≥485 MPa	Minimum tensile strength per ASTM A588
Yield Strength	≥345 MPa	Minimum yield strength for structural use
Elongation	≥18%	Ductility in 50mm gauge length
Thickness Range	1.5 - 16 mm	Available coil thickness options
Width Range	1000 - 2000 mm	Standard and custom widths available
Coil Weight	5 - 25 tons	Standard coil weight range
Surface Finish	Pickled, Oiled, Mill Finish, Pre-patina	Multiple surface treatment options for export
Application	Bridges, Containers, Facades, Railway, Sculpture	Outdoor structural and architectural applications
Certification	EN 10204 3.1, ISO 9001, SGS, BV	Quality certifications provided for export
Packaging	Eye-to-sky, waterproof paper, steel strip bundled	Seaworthy export packaging
MOQ	5 tons	Minimum order quantity for export orders

Weathering Steel Coil Exporter - High-Quality Corten Steel Coils for Global Projects

As a trusted weathering steel coil exporter, we deliver premium-grade Corten steel coils to construction firms, infrastructure developers, and fabrication companies across six continents. Weathering steel—also known as atmospheric corrosion-resistant steel—forms a stable, protective oxide layer (patina) that eliminates the need for paint coatings, significantly reducing lifecycle maintenance costs. Our mill-direct supply chain ensures factory-competitive pricing and reliable tonnage for projects of every scale, from architectural facades to long-span bridge decking.

What Is Weathering Steel Coil?

Weathering steel coil is a hot-rolled low-alloy steel strip containing carefully balanced additions of copper (0.25–0.55%), chromium (0.30–1.25%), nickel (up to 0.40%), and phosphorus (0.07–0.15%). These alloying elements promote the formation of a dense, adherent rust patina when exposed to wet-dry atmospheric cycles. This self-healing oxide barrier slows further corrosion to a rate approximately 5–8 times lower than plain carbon steel, according to ASTM G101 corrosion index calculations.

Weathering Steel Coil Technical Specifications

Our weathering steel coils are manufactured in accordance with ASTM A606 Type 4, ASTM A588 Grade A/B/C, EN 10025-5 S355J0WP/S355J2W, and JIS G3125 SPA-H. Standard coil dimensions include thickness from 1.5 mm to 16.0 mm, widths of 1000–2000 mm, and coil weights up to 28 metric tons. Minimum yield strength reaches 345 MPa, with tensile strength ranging from 470 to 630 MPa per ASTM A588 Section 7.

Property	ASTM A588 Gr. A	EN 10025-5 S355J2W
Yield Strength (min)	345 MPa	355 MPa
Tensile Strength	485–630 MPa	470–630 MPa
Elongation (min)	18%	20%
Charpy Impact (−20 °C)	Not required	27 J min
Cu Content	0.25–0.40%	0.25–0.55%

Why Partner with Our Weathering Steel Coil Export Team?

Certified Supply: Every coil ships with EN 10204 3.1 Mill Test Certificates, and our production facilities hold ISO 9001:2015 and ISO 14001:2018 accreditations.
Global Logistics Experience: We have completed deliveries to over 45 countries, handling CIF, CFR, and FOB Incoterms with containerized or break-bulk shipping.
Value-Driven Pricing: Direct partnerships with integrated steel mills allow us to offer cost-effective rates without sacrificing material traceability.
Technical Support: Our metallurgical engineers assist with grade selection, patina development guidance, and corrosion index evaluation per ASTM G101.

Frequently Asked Questions

What is the minimum order quantity (MOQ) for weathering steel coils?

Our standard MOQ is 25 metric tons per grade and thickness combination. For trial orders or specialty dimensions, we can accommodate quantities as low as 10 tons subject to mill schedule availability.

Do you provide material test certificates?

Yes. Every shipment includes EN 10204 3.1 Mill Test Certificates detailing chemical composition, mechanical properties, and heat number traceability. Third-party inspection by SGS, Bureau Veritas, or Lloyd's is available upon request.

Weathering steel coil supplier

What is the typical delivery time?

Stock items ship within 7–10 business days. Mill-production orders typically require 30–45 days depending on grade, thickness, and current rolling schedules.

Can you supply custom-cut or slit weathering steel coils?

Absolutely. Our service center provides precision slitting to widths as narrow as 50 mm, leveling, and cut-to-length processing up to 12 m. Edge conditioning options include mill edge, slit edge, and deburred edge.

Get a Competitive Quote for Weathering Steel Coils

Ready to source Corten steel coils for your next infrastructure or architectural project? Contact our export sales team today with your required grade, dimensions, quantity, and destination port. We respond to all inquiries within 12 business hours with a detailed quotation including freight estimates and lead time confirmation.

Weathering steel coil wholesale

Weathering steel coil China

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Chris Martin

Canada

2025-01-27

Acceptable Weathering Coils — Delivery Delay Resolved Satisfactorily

Ordered 25 tons of ASTM A588 Grade A coil, 6mm thickness, 1200mm width, for a municipal bridge repair project in Manitoba. Material quality itself was acceptable — MTC showed yield strength at 348 MPa and copper content at 0.31%, both on-spec. However, the shipment arrived 9 days later than the originally confirmed delivery window, which caused a minor schedule adjustment on site. When we raised this, the sales team responded within a business day, explained the delay was due to a port congestion issue at origin, and provided a freight discount on the subsequent order. The corrective communication was handled professionally. We have placed a second order since then and delivery was on time. The quality is there; the logistics coordination could be tightened for time-sensitive projects.

Wei Chen

Singapore

2025-02-28

Superior Weathering Steel Coil for Regional Distribution

As a regional steel distributor, we sourced 60 tons of mixed-grade weathering steel coil — EN 10025-5 S355J0WP and ASTM A588 Grade A — across thicknesses from 2mm to 12mm, widths 1000–1500mm, for resale to fabricators in Southeast Asia. All coils shipped with EN 10204 3.1 MTCs and heat number traceability that our downstream customers require for project submissions. Lloyd's inspection at origin confirmed dimensional and chemical compliance across all heats. Break-bulk shipment to Port of Singapore was completed in 33 days. The exporter managed consolidated loading efficiently, reducing our freight cost per ton compared to our previous supplier. We have since established a quarterly blanket order arrangement and the consistency of supply has been reliable across three consecutive shipments.

Michael Johnson

United States

2025-03-23

Solid ASTM A588 Coils for Highway Noise Barrier Project

Procured 38 tons of ASTM A588 Grade A coil, 3mm and 5mm thicknesses, 2000mm width, for highway noise barrier panels in Ohio. Yield strength on MTC averaged 351 MPa and elongation was 20%, both meeting specification. Pricing was competitive against two domestic service centers we contacted. Lead time was 41 days for mill production, which fit our project schedule with a few days to spare. Coil flatness was acceptable for our press-brake operations, though two coils in the 3mm range showed minor crossbow that needed roller leveling before forming. The supplier's technical team was responsive and helped us select the right grade for a semi-industrial atmospheric zone. We would use this supplier again for future ASTM A588 requirements.