Corten Steel Coil Manufacturer - High-Quality Weathering Steel Supplier

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

$680 ≥100 ton 6.8% 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 Corten Steel Coil

Property	Parameter	Description
Product Name	Corten Steel Coil	Weathering resistant steel coil with protective patina
Material Grade	ASTM A588 / A242 / SPA-H / S355J2WP	International grade equivalents for weathering steel
Standard Compliance	ASTM A606, 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
Silicon (Si)	0.25-0.75%	Deoxidizer and strengthener
Manganese (Mn)	0.20-1.25%	Improves hardenability and tensile strength
Tensile Strength	≥485 MPa	Minimum tensile strength per ASTM A588
Yield Strength	≥345 MPa	Minimum yield strength for structural use
Elongation	≥18%	Ductility in 200mm 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 per unit
Surface Finish	Pickled, Oiled, Pre-weathered, Mill finish	Multiple surface treatment options
Application	Architecture, Bridges, Containers, Facades, Sculpture	Typical outdoor and structural applications
Certification	EN 10204 3.1, ISO 9001, Mill Test Certificate	Quality certifications provided
MOQ	5 tons	Minimum order quantity

Corten Steel Coil Manufacturer - High-Quality Weathering Steel Supplier

As a dedicated corten steel coil manufacturer, we supply premium-grade weathering steel coils engineered for long-term atmospheric corrosion resistance without the need for protective coatings. Our corten coils serve critical roles in architectural cladding, bridge construction, shipping containers, and outdoor sculptural applications. With mill-direct production capabilities and strict adherence to international standards, we deliver consistent material quality to contractors, fabricators, and distributors worldwide.

What Is Corten Steel Coil?

Corten steel coil is a hot-rolled weathering steel product characterized by its ability to form a stable, protective rust-like patina when exposed to atmospheric conditions. This self-healing oxide layer eliminates the requirement for painting or galvanizing, significantly reducing lifecycle maintenance costs across structural and decorative applications.

Corten Steel Coil Technical Specifications

Our weathering steel coils are manufactured according to ASTM A588/A588M-19 and EN 10025-5:2004 (S355J0WP / S355J2W). Key mechanical properties include a minimum yield strength of 345 MPa, tensile strength ranging from 485 to 620 MPa, and elongation of 18% minimum. Chemical composition features copper content of 0.25–0.40%, chromium at 0.40–0.65%, and phosphorus at 0.07–0.15%, which collectively promote the formation of the protective patina layer.

Corten steel coil supplier

Parameter	Specification
Grades	ASTM A588 Gr.A/B/C, SPA-H, S355J0WP, 09CuPCrNi-A
Thickness	1.5 mm – 25.0 mm
Width	1000 mm – 2000 mm
Coil Weight	5–28 MT per coil
Surface Finish	Pickled & oiled, dry, or mill finish
Yield Strength	≥345 MPa per ASTM A588

Why Choose Our Corten Steel Coils

Mill-Direct Pricing: Factory-competitive rates with no intermediary markups, supporting cost-effective procurement for large-volume projects.
Certified Quality: Every coil ships with EN 10204 3.1 Mill Test Certificates, verified through independent third-party inspection upon request.
Processing Capability: In-house slitting, cut-to-length, and leveling services available to meet project-specific dimensional requirements.
Global Logistics: Export-standard seaworthy packaging with experience shipping to over 40 countries across North America, Europe, Southeast Asia, and the Middle East.

Frequently Asked Questions

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

Our standard MOQ is 5 metric tons per grade and thickness combination. For trial orders or specialty dimensions, we accommodate quantities as low as 2 MT subject to current mill inventory.

Do you provide material test certificates with each shipment?

Yes. Every delivery includes EN 10204 Type 3.1 mill test certificates documenting chemical composition, mechanical properties, and heat number traceability in compliance with ASTM A588 requirements.

What is the typical delivery time for weathering steel coils?

Stock items ship within 7–10 business days. Custom rolling orders from our corten steel coil manufacturing facility typically require 25–35 days depending on grade, dimensions, and current production scheduling.

Corten steel coil wholesale

Can you supply pre-weathered or custom-processed corten coils?

Absolutely. We offer accelerated pre-patina treatment, precision slitting to widths as narrow as 50 mm, and cut-to-length processing. Custom surface treatments are available to achieve the desired aesthetic for architectural projects.

Corten steel coil China

Get a Competitive Quote for Corten Steel Coils

Ready to source weathering steel coils from a proven corten steel coil manufacturer? Contact our sales team with your required grade, thickness, width, and quantity. We respond to all inquiries within 12 hours with detailed pricing, lead times, and technical documentation tailored to your project specifications.

Ratings & Reviews

4.5

Based on 8 reviews

5 5

4 2

3 1

2 0

1 0

Chris Martin

Canada

2025-02-22

Acceptable Corten Coil Quality, Communication Improved After Initial Delay

First order with this supplier — 8 tons of ASTM A588 Gr.A corten coil, 5mm thickness, 1200mm width. The material itself tested within specification when we ran our incoming inspection: yield strength at 351 MPa and chemical composition on the MTR matched our requirements. However, the initial shipment notification was delayed by 5 days without proactive communication from the logistics team, which caused scheduling issues at our Toronto facility. When we raised the issue, the sales contact responded quickly and arranged expedited documentation. The coil surface finish (pickled and oiled) was clean and the coil weight per unit was consistent with the order specification. Quality is there — just need more reliable shipment updates going forward.

Wei Chen

Singapore

2025-03-15

Excellent Service and Documentation for Multi-Grade Corten Order

As a distributor, we placed a mixed order totaling 30 tons across three grades — S355J0WP at 2mm, ASTM A588 Gr.B at 4mm, and SPA-H at 6mm — all 1500mm width. Each coil shipment came with individual EN 10204 3.1 certificates with heat number traceability, which our downstream clients in Southeast Asia require for project compliance. The sales team coordinated consolidation into a single FCL shipment and provided all export documentation within 2 days of cargo readiness. Stock items shipped in 8 business days. We've now placed four orders over the past year and the consistency in both quality and service has made this our primary corten steel source for the region.

Carlos Silva

Brazil

2025-04-07

Reliable Corten Coils for Infrastructure, Competitive on Price

We purchased 10 tons of ASTM A588 Gr.C coil, 10mm thickness, 1600mm width for a highway barrier project in São Paulo state. Tensile strength on the mill certificate came in at 498 MPa, within the 485–620 MPa specification range. Cut-to-length processing was available and we used it for 4 tons of the order — flatness tolerance was acceptable though one batch had slight edge bow that required minor straightening on our end. Price was 6% below our previous supplier for comparable grade and thickness. Delivery time was 32 days for custom rolling, which matched the quoted estimate. Overall a dependable supplier for infrastructure-grade weathering steel.