RUNYING Steel Group is a premier Tangshan manufacturer and direct exporter of high-grade Galvanized Corrugated Roofing Sheets and Metal Panels. Precision roll-formed from premium hot-dip galvanized steel coils (GI Coils), our corrugated sheets feature a durable zinc coating (60g/㎡ - 275g/㎡), meeting stringent international standards including ISO 3575, EN 10346, and ASTM A653.

Engineered with wave profiles ranging from 15mm to 25mm in depth, these structural roof and wall panels deliver exceptional bending resistance, wind uplift safety, and a 20 - 30 year maintenance-free service life across industrial, agricultural, and residential housing projects worldwide.

Technical Specifications (Corrugated GI Roofing Sheet)

Key Performance Advantages

1, Superior Corrosion & Weather Defense:

 · Self-Healing Protection: Sacrificial zinc layer slows rust propagation by 5 x compared to bare steel.

 · Marine-Grade Endurance: Heavy Z275 zinc coating withstands over 1500 hours of ISO 9227 C5 neutral salt spray testing.

2, Enhanced Structural & Mechanical Performance:

 · High Bending Resistance: Medium wave profile (35mm) increases panel bending strength by up to 40%.

 · High-Yield Strength Substrates: S350GD+Z structural steel withstands heavy snow loads and harsh environmental pressure.

3, Rapid Installation & Wind Resistance:

 · Precision interlocking seam profile ensures wind uplift resistance ≥5.0kPa.

 · Compatible with standard 5.5mm - 6.3mm self-drilling structural fasteners.

4, Economical & Sustainable Choice:

 · Up to 35% lower initial material cost compared to prepainted color-coated (PPGI) sheets.

 · 100% recyclable steel substrate compliant with ISO 14021 environmental standards.

Global Application Matrix & Recommended Specifications

Export Packaging & Supply Chain Logistics

$40\mathrm{\%}$$35\text{mm}$$60{\text{g/m}}^2-275{\text{g/m}}^{\mathrm{2(60}}$ · Seaworthy Export Bundling: Heavy-duty waterproof Kraft paper wrapping, inner VCI anti-rust film, galvanized edge protectors, and steel strapping.

 · Skid & Container Options: Wooden skids or steel pallets designed for easy forklift unloading; custom bundle weights (2 - 5 metric tons).

 · Port of Loading: Direct container loading and bulk vessel shipping via Tianjin Port, China.

Request Your Galvanized Corrugated Sheet Quote Today

Contact RUNYING Steel Group for factory-direct bulk pricing, MTC EN 10204 3.1 certificates, and technical support:

 · Email Sales: admin@tsrysteel.com

 · WhatsApp: +86 15176700707

 · Official Website: http://www.tsrysteel.com

 · Explore Products: Browse Our Full Industrial Steel Catalog →$2-5\text{ metric tons}$