Quick answer: Color Coated Roofing Sheet (Blue / Red) from Sino East Steel — category: Corrugated Roofing Sheets, supplied factory-direct from our mill in Tianjin. Standard: ASTM / EN / API. Every shipment arrives with an EN 10204 3.1 mill test certificate. MOQ: 10-20 tons, lead time to Polish ports (Gdańsk, Gdynia, Szczecin): 15-25 days. Send sizes, grade and quantity for a quotation within 24 hours.
Color Coated Roofing Sheet (Blue / Red)
Color Coated Roofing Sheet (Blue / Red) — a factory-direct product from Sino East Steel, one of China’s certified steel manufacturers serving Polish importers, distributors and contractors since 2005. This product is supplied to EN, ASTM and API specifications, with EN 10204 3.1 mill test certificates, and is packed for sea freight to Gdansk, Gdynia, Szczecin and other Baltic and Northern European ports. Every order benefits from direct mill pricing, documented quality control and a professional export team that manages documentation, packing and shipping from one source.
This page provides the full technical picture of Color Coated Roofing Sheet (Blue / Red) — available specifications, manufacturing background, typical applications, quality assurance, packaging and ordering process — so your procurement team can evaluate the product without chasing data across multiple suppliers. For an exact quotation matching your required sizes and quantities, contact our export office; a confirmed price and delivery schedule are normally provided within 24 hours.
Key Specifications at a Glance
| Parameter | Value |
|---|---|
| Standard | ASTM / EN / API |
| Certification | EN 10204 3.1 MTC |
| Minimum Order Quantity (MOQ) | 10-20 tons |
| Lead Time | 15-25 days |
| Payment Terms | T/T, L/C |
| Export Packing | Seaworthy export packing |
Available Sizes & Range
| Item | Range | Notes |
|---|---|---|
| Thickness | 0.16 – 0.8 mm | galvanized / galvalume / PPGI |
| Profile | 32/1000, 35/1000 | or custom |
| Length | 1 – 12 m | cut to length |
Standards, Grades & Equivalents
| Standard | Grade | Typical Use |
|---|---|---|
| EN 10169 / EN 10346 | DX51D + Z / AZ | Coated steel base |
| ASTM A653 / A792 | CS / AZ | Galvanized and galvalume |
| Profiles | 32/1000, 35/1000, C/W | Roll-formed corrugation |
Typical Mechanical Properties by Grade
| Grade | Yield Strength | Tensile Strength | Typical Use |
|---|---|---|---|
| Base metal | DX51D+Z / AZ | Z180-Z275 | Coating per use |
| Galv. sheet | 0.45-0.55 mm | outdoor | Farm buildings |
| PPGI sheet | 0.5-0.7 mm | painted | Residential/commercial |
Corrugated Steel Roofing Sheets — Light, Strong, Proven
Corrugated steel sheets are formed from galvanized or color-coated steel strip into the classic wavy profile that has roofed agricultural, industrial and utility buildings for generations. The profile adds stiffness to thin steel, allowing wide purlin spacings and quick installation by contractors. Sino East Steel supplies corrugated sheets in galvanized, galvalume and PPGI finishes, thicknesses from 0.16 mm to 0.8 mm, and standard profiles including classic 32/1000, 35/1000, C- and W- profiles, with custom roll forming available for project-specific dimensions. Sheets can be delivered flat in bundles or pre-cut to your length with matching ridge caps and flashings.
Roll Forming and Finishing
Coil stock is fed through a roll forming line where successive roller stations gradually bend the flat strip into the final corrugated profile. Inline options include pre-punching for fasteners, cut-to-length sawing, and protective film application on painted sheets. The finished sheets are stacked, strapped and wrapped for export, with edge protectors to prevent transit damage to the profile or the paint film.
Applications
Corrugated sheets are the standard roof and wall covering for Polish farm buildings, stables, warehouses, workshops, carports, sports halls and industrial halls. Galvanized sheets suit general utility buildings, while PPGI sheets in anthracite, green or red are widely used on residential extensions and commercial structures where appearance matters. The profile also serves as formwork for concrete slabs and as a durable cladding for container and modular structures.
How to Choose the Right Sheet
Match the sheet thickness to the roof span and local snow load: for most Polish agricultural buildings 0.45–0.55 mm galvanized or painted sheet is the practical choice, while 0.6–0.8 mm adds margin for wider spans and heavy snow regions. Prefer PPGI over plain galvanized where corrosion resistance and appearance are both important. Confirm the effective covering width and the purlin spacing with your designer before ordering so the sheet count is correct.
Product Advantages for Roofing Distributors
Corrugated sheets are a volume business where dimensional accuracy and coating quality decide rework rates on site. Our roll forming lines hold profile tolerances that keep sheets interlocking cleanly, and we can pre-cut to your project lengths so installers do not waste time and material on site. Because we produce from our own galvanized and PPGI coils, we control the base metal quality behind the profile — the same base that determines how long the roof lasts under Polish weather. Distributors benefit from mixed-profile containers, matching accessories and stable supply for seasonal construction peaks.
Quality Control & Certification
Every batch of material delivered from our Tianjin plant passes through a documented inspection routine: chemical composition analysis, tensile and yield testing, dimensional checks and, where applicable, hydrostatic or flattening tests. Each consignment ships with an EN 10204 3.1 mill test certificate (MTC) and batch traceability records, so your incoming inspection at Gdansk, Gdynia, Szczecin or any other EU port is straightforward. The factory operates under an ISO 9001:2015 quality management system and is independently audited by SGS and TUV Rheinland for production capacity and export reliability.
Inspection & Testing Before Shipment
Before any material leaves the plant it passes through a defined inspection gate. Dimensional checks are performed against the ordered specification, surface quality is inspected visually and with instruments where required, and the relevant mechanical and chemical tests are verified against the mill certificate. For pipe and tube products, hydrostatic and non-destructive testing results are reviewed against the standard’s acceptance criteria. Customers who request it can witness the inspection or receive photographs and video of the loaded goods before the vessel sails — a practical way to build confidence without travelling to China.
Export Documentation Included
Every order is shipped with a complete documentation set: commercial invoice, packing list, bill of lading, certificate of origin, and the EN 10204 3.1 mill test certificate with heat numbers and test results. Where your project requires third-party inspection, we can arrange SGS, TUV or Bureau Veritas inspection before loading, with the inspection report issued in English for easy clearance in the EU.
Why European Buyers Source This Product from Sino East Steel
Importing steel from China to Poland is a routine, well-understood process when you work with a manufacturer that has done it hundreds of times. Sino East Steel combines factory-direct pricing with export experience across the EU, so you avoid the margin stack of trading companies and the documentation delays that slow down first-time imports. Our export team prepares commercial invoices, packing lists, certificates of origin, and the EN 10204 3.1 mill certificates your quality department and customs broker expect. We also coordinate vessel booking from Tianjin/Xingang to Baltic ports, and for regular customers we can hold production slots so repeat orders keep your warehouse stocked without interruption.
Because we are the manufacturer, specification changes, coating requirements, packing instructions and delivery dates are agreed directly with the people who control the production line. This transparency is what distributors and contractors in Poland value most: one accountable partner, one set of documents, and material that matches the sample on every shipment.
Packaging & Delivery to Poland and the EU
Products are packed in seaworthy export condition: steel strapping, waterproof wrapping, and wooden or steel pallets where required, with clear marking for safe handling. For pipe and tube orders we use the standard export bundle format with plastic end caps on request. Sea freight to Polish and Baltic ports (Gdansk, Gdynia, Szczecin, Klaipeda) is arranged from Tianjin or Xingang port, with typical lead times of 15–25 days after production. FCL and LCL options are both available, and mixed-container consolidation is offered for regular customers who combine several product lines in one delivery.
Customization & Value-Added Services
Beyond standard supply, our finishing lines can prepare material for your exact production step: cutting to length, drilling, bevelling, threading, coating, marking and custom bundling per your drawings. Packaging can be adapted to your handling equipment — pallets, frames, slings or individual protective wrapping — and private labeling is available for distributors who resell under their own brand. For customers with regular monthly programs, we schedule production slots so that reorder quantities arrive on time, allowing you to run leaner stock without risking supply gaps on your own production line.
Technical Support & After-Sales Service
Our export engineers support you from specification to installation: confirming grade and size selections, advising on coatings and packing for your climate and handling equipment, and answering technical questions from your quality department. After delivery, we keep the batch records on file and can issue additional documentation, arrange replacement paperwork, or support you in the rare case of a claim. For Polish customers this means a single point of contact who knows your orders, your specifications and your delivery history — service that trading intermediaries rarely match.
Storage & Handling on Site
To protect the material between delivery and installation, store it off the ground on sleepers, keep it dry and allow air circulation between layers. Galvanized products should be separated from black steel to avoid zinc staining, and painted or polished surfaces should keep their protective wrapping until installation. When lifting, use fabric slings or spreader bars for long lengths to avoid damage. Our packing lists indicate bundle weights and lifting points, and our export team can advise on safe unloading at your warehouse or construction site.
How to Order & Request a Quotation
To receive a firm quotation, please send your required specification: grade and standard, dimensions, quantities (in tons or pieces), end use, and the destination port in Poland or the EU. Our export team replies within 24 hours with pricing, availability and a proposed shipping schedule. We work with T/T and L/C payment terms, and for established EU customers longer payment arrangements can be discussed on a project basis.
Request a quote: use the contact form, WhatsApp +86-186-2208-8833, or email [email protected].
Frequently Asked Questions
Do you supply corrugated sheets cut to length?
Yes. We can cut sheets to your required length (typically 1–12 m) before packing, so your roofing crew can install directly from the bundle without on-site cutting.
What accessories do you offer with roofing sheets?
Ridge caps, hip flashings, gable trims, screws and sealing washers can be supplied with the sheets to complete the roof package in a single order.
What documents do you provide with each shipment?
Each shipment includes the EN 10204 3.1 mill test certificate, packing list, commercial invoice and bill of lading. Inspection reports and third-party certificates (SGS, TUV, Bureau Veritas) can be arranged before loading if your project requires them.
Can you supply to Polish and European standards?
Yes. We regularly export to EN and DIN specifications used across the EU, including EN 10219, EN 39, EN 10210, EN 10305 and DIN 2440, in addition to ASTM and API standards. Tell us the standard your project specifies and we will quote accordingly.
What are your MOQ and lead times?
MOQ depends on the product and size — typically from 1 to 10 tons for standard lines. Production and shipping to Polish ports normally takes 15–25 days from order confirmation.
Do you ship to Polish ports and handle customs paperwork?
Yes. We ship FOB Tianjin/Xingang, CIF or CFR to Gdansk, Gdynia, Szczecin and other Baltic ports, and we prepare the export documentation (commercial invoice, packing list, bill of lading, certificate of origin, mill certificates) needed for import clearance in Poland.
Can we arrange a pre-shipment inspection?
Yes. Third-party inspection by SGS, TUV, Bureau Veritas or your own representative can be arranged before loading, and the inspection report is provided before the vessel departs.
Do you offer samples before a full order?
For most products we can provide small samples or cut pieces so your quality department can verify the material. Sample cost is credited against the first order for regular customers.
About Sino East Steel — Sino East Steel is a factory-direct manufacturer and exporter of carbon steel, galvanized steel and structural steel products, operating from a 65,000 m² production base in Tianjin, China. Since 2005 the company has built a steady export record across Europe, the Middle East and the Americas, supplying distributors, contractors and engineering companies that require consistent quality, complete documentation and dependable delivery. For Polish buyers, this means a single certified source for pipes, coils, sheets, bars and structures, with every shipment supported by mill test certificates and traceable batch records.
