Premium Prime GI Corrugated Roofing Sheets & Zinc Coated Roof Panels, roll-formed for heavy-duty weather resistance and structural durability. Engineered in full compliance with ASTM A653, EN 10346, and JIS G3302 international standards.
Standards & Zinc: ASTM A653, EN 10346, JIS G3302 | Zinc Coating Z30–Z275 g/m²
Dimensions & Profiles: Thickness 0.085–1.4 mm | Width 900–1250 mm | Sinusoidal (Wave) & IBR (Trapezoidal)
Quality & Testing: Mill Test Certificate (MTC EN 10204 3.1) & SGS/BV Inspection Ready
Primary Applications: Agricultural Sheds, Industrial Warehouses, Commercial & Civil Roofing
Authentic Steel is a premier global Corrugated galvanized roofing sheet supplier, manufacturer, and exporter of high-performance GI corrugated roofing sheet products engineered for exceptional weather resistance, structural integrity, and long-term service life. Produced from premium hot-dip galvanized steel substrates, each Zinc coated corrugated roof panel provides sacrificial cathodic protection against severe atmospheric corrosion, moisture, industrial salt spray, and chemical exposure.
Manufactured strictly according to international engineering standards including ASTM A653 / A653M, EN 10346, JIS G3302, and GB/T 2518, our corrugated sheets deliver superior mechanical strength, high strength-to-weight ratios, and versatile aesthetics, making them the preferred Corrugated metal roof sheet for building projects across diverse global climatic zones.
Sacrificial Cathodic Corrosion Protection: Continuous hot-dip zinc coating acts as a physical and galvanic barrier, preventing edge rust, pinhole corrosion, and surface oxidation under high-humidity conditions.
Optimized Load-Bearing Wave Geometry: Precision roll-formed wave and trapezoidal profiles dramatically increase section modulus, enabling wider purlin spacing and superior resistance against wind uplifting and heavy snow loads.
Rapid Water Discharge Efficiency: High-pitch corrugated channels prevent water pooling, driving rapid rainwater runoff during heavy downpours and monsoon storms.
Exceptional Roll-Forming & Bending Flexibility: Formulated for zero flaking, peeling, or micro-cracking during cold bending, high-speed corrugated roll-forming, or field installation.
Full MTC Compliance & Traceability: Supplied with official EN 10204 3.1 Mill Test Certificates verifying chemical composition, yield strength, tensile elongation, and precise double-sided zinc coating mass.
Our Corrugated metal roofing sheet inventory features precision roll-formed geometries that balance lightweight handling with high structural stiffness. The dense hot-dip zinc coating effectively seals the carbon steel substrate from salt spray, acid rain, and intense solar radiation:
Agricultural Structures: Livestock housing, poultry sheds, grain storage silos, and equipment maintenance facilities requiring high resistance against corrosive ammonia gases and organic moisture.
Industrial & Commercial Infrastructure: Heavy manufacturing plants, prefabricated steel warehouses, logistics parks, site offices, and temporary perimeter hoardings.
Civil & Residential Construction: Cost-effective housing roofs, rural shed covers, residential carports, verandahs, and decorative exterior wall cladding.
Quality assurance is embedded in every stage of our continuous hot-dip galvazining and corrugation production lines:
Triple-Spot Zinc Coating Test: Precise verification of double-sided coating weight (Z30 to Z275) using chemical weigh-strip-weigh methods.
Mechanical & Dimensional Inspection: Yield strength, ultimate tensile strength, percentage elongation, and digital gauge/width tolerance verification.
Flexibility & Adhesion Trials: 0T to 2T tight-radius bend tests ensuring complete zinc coating adhesion without micro-cracking or delamination.
Mill Test Certificate (MTC): Issued standard in full compliance with EN 10204 3.1. We fully support third-party pre-shipment inspections by independent agencies such as SGS, Bureau Veritas (BV), and Intertek.
To accommodate custom project requirements, we provide value-added services including custom cut-to-length leveling, narrow strip slitting, surface oiling, and anti-scratch PE film lamination.
For long-distance maritime transit, all shipments receive heavy-duty seaworthy export packaging: moisture-proof plastic wrapping, anti-corrosive VCI paper, protective galvanized steel edge guards, and high-tensile steel strapping anchored securely on heavy-duty wooden pallets or skids.
Ready to Order?
Partner with a trusted Corrugated galvanized roofing sheet supplier today. Contact our dedicated sales engineering team for free sample swatches, standard gauge specification charts, and real-time factory pricing for your upcoming commercial shipments!
WhatsApp: +86-137 8227 9845
E-mail: alice@authsteel.com
