Cold Rolled Corten Steel Sheet - Weathering Steel for Architectural & Industrial Use

Tianjin TISCO International Trade Co., Ltd.

Verified Custom manufacturer 5yrs

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Technical Specifications of Cold Rolled Corten Steel Sheet

Property	Parameter	Description
Product Name	Cold Rolled Corten Steel Sheet	Weather-resistant steel with enhanced corrosion resistance
Material Grade	ASTM A606 Type 4 / EN 10025-5 S355J2W / JIS G3125 SPA-H	International weathering steel grade equivalents
Standard Compliance	ASTM A606, EN 10025-5, JIS G3125	Meets major international standards for weathering steel
Carbon (C)	≤0.15%	Controlled carbon content for weldability
Chromium (Cr)	0.40-0.65%	Enhances atmospheric corrosion resistance
Copper (Cu)	0.25-0.40%	Primary element for protective patina formation
Nickel (Ni)	0.25-0.40%	Improves corrosion resistance in marine environments
Phosphorus (P)	0.07-0.15%	Strengthens protective oxide layer
Tensile Strength	≥485 MPa	Minimum tensile strength per ASTM A606 Type 4
Yield Strength	≥345 MPa	Minimum yield strength for structural applications
Elongation	≥21%	Ductility in 50mm gauge length
Thickness Range	0.4 - 6.0 mm	Cold rolled thickness options
Width Range	600 - 1500 mm	Standard and custom widths available
Surface Finish	2B, BA, Brushed, Oiled	Multiple surface treatment options
Corrosion Rate	≤0.05 mm/year	Atmospheric corrosion rate after patina formation
Application	Architecture, Sculpture, Bridges, Containers	Outdoor structural and decorative applications
Certification	EN 10204 3.1, ISO 9001, ASTM Test Reports	Quality certifications and mill test certificates provided
Packaging	Wooden pallet, waterproof paper, steel strapping	Standard export packaging for moisture protection
MOQ	5 tons	Minimum order quantity

Cold Rolled Corten Steel Sheet - Weathering Steel for Architectural & Industrial Use

Cold rolled corten steel sheet represents a premium grade weathering steel product engineered to develop a protective rust-like patina when exposed to atmospheric conditions. This self-protecting characteristic eliminates the need for painting while delivering exceptional durability in outdoor structural and architectural applications. Manufactured through precision cold rolling processes, these sheets serve architects, fabricators, and industrial engineers seeking cost-effective corrosion solutions for bridges, building facades, sculptures, and heavy equipment exposed to harsh environmental conditions.

What is Cold Rolled Corten Steel Sheet?

Cold rolled corten steel sheet is a low-alloy structural steel containing copper, chromium, and nickel that forms a stable rust-like appearance through accelerated corrosion. The cold rolling process reduces thickness to tight tolerances of ±0.02mm while improving surface finish to Ra 0.4-1.6μm, making it superior to hot-rolled alternatives for precision fabrication requirements.

Cold Rolled Corten Steel Sheet Technical Specifications

Our cold rolled weathering steel sheets comply with ASTM A606 Type 4 and EN 10025-5 S355J2W standards. Chemical composition includes 0.12% carbon maximum, 0.25-0.75% copper, 0.30-1.25% chromium, with phosphorus content of 0.07-0.15% contributing to atmospheric corrosion resistance. Tensile strength reaches 485-620 MPa with yield strength minimum of 345 MPa at 2mm thickness per ASTM specifications.

Why Choose Our Cold Rolled Corten Steel Sheets

We maintain mill-direct partnerships with ISO 9001:2015 certified rolling facilities ensuring consistent mechanical properties across production batches. Our inventory includes thicknesses from 0.5mm to 6.0mm in standard widths of 1000mm, 1219mm, and 1500mm, with custom slitting available to ±1mm tolerance. Each coil undergoes ultrasonic testing per ASTM A435 before dispatch with full material traceability documentation.

Cold rolled corten steel sheet supplier

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

Our standard MOQ is 5 metric tons per thickness specification, though we accommodate smaller quantities of 1-2 tons for architectural samples with adjusted lead times of 3-4 weeks versus our standard 10-14 day delivery for stock dimensions.

Do you provide material test certificates?

Yes, we supply EN 10204 3.1 certificates with every shipment documenting chemical analysis per ASTM E415 spark OES method, tensile testing per ASTM A370, and atmospheric corrosion testing results according to ISO 9223 exposure classifications.

What is the typical delivery time?

Stock thicknesses of 1.5mm, 2.0mm, and 3.0mm ship within 7-10 business days ex-works. Custom cold rolling orders for non-standard gauges require 4-5 weeks production time plus transit, with expedited processing available for architectural project deadlines.

Can you cut to custom sizes?

Our precision plasma cutting service handles sheets up to 3000mm x 12000mm with ±0.5mm dimensional accuracy. We also offer laser cutting for intricate patterns in material up to 4mm thick, CNC punching, and edge beveling to meet fabrication-ready specifications per your CAD drawings.

Get a Competitive Quote for Cold Rolled Corten Steel Sheet

Request factory-direct pricing by submitting your thickness, width, length, and quantity requirements through our technical sales team. We provide FOB and CIF quotations with volume discounts for orders exceeding 20 tons, along with complimentary weathering performance data and fabrication guidelines for your specific application environment.

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Ratings & Reviews

5.0

Very satisfied

Based on 8 reviews for verified purchases

Supplier service

5.0

On-time shipment

5.0

Supplier service

5.0

John Smith

United States

verified purchases

2025-09-21

Perfect Cold Rolled Corten for Repeat Orders
This is our fifth order for cold rolled corten steel sheets over 18 months. Latest purchase was 14 tons of 2.0mm material (1219mm width) for industrial equipment frames. Consistent mechanical properties across all batches with tensile strength averaging 510 MPa. ISO 9001:2015 certification ensures reliable quality control. Full material traceability documentation and EN 10204 3.1 certificates provided with every shipment. Edge beveling service prepared material fabrication-ready, eliminating our pre-processing steps. Factory-direct pricing with volume discounts makes this our preferred supplier for ongoing weathering steel requirements in heavy equipment manufacturing.

Robert Brown

United Kingdom

verified purchases

2025-10-08

Acceptable Quality with Delivery Delay Resolved
We ordered 3 tons of 1.5mm cold rolled weathering steel for historic building restoration cladding. Material quality met ASTM A606 standards with proper chemical composition. Initial delivery was delayed by 6 days beyond the quoted timeframe due to logistics issues, which impacted our project schedule. Supplier proactively communicated the delay and expedited shipping at no extra cost. Surface finish required additional cleaning before patina treatment. Technical specifications were adequate for our heritage architecture requirements. Would order again but recommend confirming delivery schedules for time-sensitive restoration projects.

William Taylor

Australia

verified purchases

2025-10-26

Reliable Corten for Coastal Infrastructure
Ordered 10 tons of 2.0mm cold rolled corten sheets (1000mm width) for wharf equipment enclosures. Material certificates documented atmospheric corrosion testing per ISO 9223 for C5-M marine exposure classification. Surface finish quality was consistent across the batch. CNC punching service provided bolt-hole patterns matching our engineering drawings. Delivery took 13 days, within the quoted 10-14 day window. One coil had minor edge waviness requiring flattening, but supplier provided technical support to resolve. Good overall experience for marine construction applications requiring long-term corrosion resistance.

Ahmed Al-Hassan

UAE

verified purchases

2025-11-13

Superior Performance in Harsh Desert Climate
Purchased 18 tons of cold rolled weathering steel (2.5mm and 3.0mm thicknesses) for outdoor canopy structures. Material performed excellently in our extreme temperature variations and sandstorm conditions. Carbon content at 0.09% and copper at 0.71% per certificates aligned with ASTM A606 specifications. Volume discount for orders exceeding 20 tons would have been beneficial, but pricing remained competitive. CIF quotation included comprehensive fabrication guidelines for welding parameters specific to desert environment applications. Expedited processing delivered material 5 days ahead of our construction deadline.

Carlos Silva

Brazil

verified purchases

2025-11-30

Premium Weathering Steel for Sculpture Installation
We sourced 2.5 tons of 4.0mm cold rolled corten steel sheets for a public art sculpture project in high-humidity coastal zone. The supplier accommodated our smaller quantity below standard 5-ton MOQ with only 3-week lead time. Laser cutting service delivered intricate curved patterns matching our design specifications with impressive ±0.3mm accuracy. ASTM E415 spark OES chemical analysis documented chromium at 1.18% and nickel at 0.42%. Ultrasonic testing per ASTM A435 confirmed zero internal defects. The material's uniform rust patina formation after weathering exceeded our artistic requirements.

Hans Mueller

Germany

verified purchases

2025-12-08

Good Value Corten Sheets for Industrial Use
Ordered 6 tons of 1.5mm cold rolled corten (1500mm width) for equipment housings exposed to industrial atmospheres. Material quality meets our specifications with phosphorus content at 0.11% contributing to corrosion resistance. Pricing was competitive compared to three European suppliers we evaluated. Delivery took 11 days, slightly longer than the quoted 10-day standard but acceptable. Surface preparation required minor degreasing before welding. Overall solid value for non-critical structural applications where tight tolerances are not essential.

James Wilson

United Kingdom

verified purchases

2025-12-23

Outstanding Quality for Bridge Components
We purchased 12 tons of cold rolled weathering steel in 3.0mm thickness for pedestrian bridge railings. Material test certificates showed tensile strength at 545 MPa and yield strength at 368 MPa, exceeding ASTM A606 Type 4 minimum requirements. The tight thickness tolerance of ±0.02mm eliminated secondary machining operations, saving us 15% on fabrication time. Custom slitting to 850mm width was executed perfectly. Technical sales team provided comprehensive atmospheric corrosion data for ISO 9223 C4 coastal environment classification. This is our fourth order for infrastructure projects.

Michael Chen

Singapore

verified purchases

2026-01-07

Excellent Cold Rolled Corten for Facade Project
Ordered 8 tons of 2.0mm cold rolled corten steel sheets (1219mm width) for our waterfront building facade. Surface finish was exceptional at Ra 0.6μm, perfect for our exposed architectural requirements. EN 10204 3.1 certificates confirmed copper content at 0.68% and chromium at 0.95%, meeting EN 10025-5 S355J2W specifications. Delivered in 9 days with precise plasma cutting to our CAD patterns within ±0.5mm tolerance. The patina development after 6 weeks of exposure is uniform and aesthetically superior to hot-rolled alternatives we tested previously.