Galvanized Corrugated Roofing Sheet - Mill Direct Supplier
Supplier's customization ability
- Drawing-based customization
- Sample-based customization
- Full customization
Minimum order quantity: 1 ton
Shipping total: To be negotiated
- Lead time:
- confirmed with the quotation
- Packaging:
- standard export packing
- Samples:
- available on request
Product details
Technical Specifications of Galvanized Corrugated Roofing Sheet
| Property | Parameter | Description |
|---|---|---|
| Product Name | Galvanized Corrugated Roofing Sheet | Hot-dip galvanized steel sheet with corrugated profile for roofing and cladding |
| Material Grade | DX51D, S250GD, S350GD / SGCC, SGCH | Equivalent to ASTM A653 CS Type B / EN 10346 / JIS G3302 grades |
| Standard Compliance | ASTM A653/A653M, EN 10346, JIS G3302, GB/T 2518 | International standards for continuous hot-dip zinc-coated steel sheet |
| Chemical Composition (C) | ≤ 0.12% | Low carbon content ensures good formability and weldability |
| Chemical Composition (Mn) | ≤ 0.60% | Manganese for strength enhancement |
| Chemical Composition (P / S) | P ≤ 0.045% / S ≤ 0.045% | Controlled phosphorus and sulfur for improved ductility |
| Tensile Strength | 270–560 MPa | Per ASTM A653 / EN 10346; varies by grade (e.g., S350GD: ≥ 420 MPa) |
| Yield Strength | 140–420 MPa | S250GD: ≥ 250 MPa; S350GD: ≥ 350 MPa per EN 10346 |
| Elongation | ≥ 16–22% | Minimum elongation at fracture (A80mm) per EN 10346 / ASTM A653 |
| Zinc Coating Weight | Z60–Z275 (60–275 g/m²) | Both sides combined; Z275 (G90) recommended for high-corrosion environments |
| Sheet Thickness | 0.14–1.20 mm (BMT) | Base metal thickness excluding zinc coating; custom thickness available |
| Sheet Width | 600–1250 mm (effective coverage) | Standard effective cover width: 762 mm, 900 mm, 1000 mm |
| Sheet Length | 1800–12000 mm | Custom cut-to-length available; standard lengths 1.8 m, 2.4 m, 3.0 m, 6.0 m |
| Corrugation Profile | Pitch: 76 mm / 32 mm; Depth: 18–25 mm | Standard corrugated wave profile; custom profiles available on request |
| Surface Finish | Regular Spangle / Minimized Spangle / Zero Spangle | Bright zinc finish; optional chromate passivation or oiled surface treatment |
| Application | Roofing, wall cladding, agricultural buildings, warehouses, industrial sheds | Suitable for residential, commercial, and industrial construction projects |
| Certification | ISO 9001, CE Marking, SGS, BV | Third-party inspection and quality management system certification available |
| Packaging | Bundle with steel strapping; waterproof kraft paper + wooden pallet | Export seaworthy packaging; custom labeling and bundling per buyer requirement |
| MOQ | 5 Metric Tons per specification | Mixed specifications accepted; OEM/ODM orders welcome |
Galvanized Corrugated Roofing Sheet - Mill Direct Supplier
As a trusted galvanized corrugated roofing sheet supplier, we deliver mill-direct solutions to contractors, builders, and distributors across global markets. Galvanized corrugated roofing sheets serve critical roles in residential, commercial, and industrial construction, offering a reliable combination of structural integrity and long-term weather resistance. Our sheets are produced under rigorous quality control protocols, conforming to ASTM A653, JIS G3302, and EN 10346 standards. With zinc coating weights ranging from Z60 to Z275 g/m², each panel is engineered to withstand harsh environmental conditions including heavy rainfall, UV exposure, and coastal humidity. Whether you are sourcing for a large-scale infrastructure project or a regional distribution network, our mill-direct supply chain eliminates unnecessary intermediaries, ensuring you receive consistent product quality at the most cost-effective pricing available. We maintain substantial inventory levels and offer flexible order quantities to accommodate both bulk procurement and project-specific requirements, backed by full material certifications and traceability documentation.
What is Galvanized Corrugated Roofing Sheet?
A galvanized corrugated roofing sheet is a cold-rolled or hot-rolled steel panel that has been coated with a protective zinc layer through a continuous hot-dip galvanizing process, then roll-formed into a wavy corrugated profile. This profile enhances structural rigidity, allowing the sheet to span longer distances without additional support. The zinc coating provides outstanding anti-corrosion properties, significantly extending service life compared to uncoated steel alternatives. These sheets find extensive application in warehouses, agricultural buildings, residential roofing, and wall cladding systems worldwide.

Galvanized Corrugated Roofing Sheet Manufacturing Process
Production begins with premium-grade hot-dip galvanized steel coils, where the base steel substrate undergoes continuous immersion in a molten zinc bath maintained at approximately 450°C, forming a metallurgically bonded zinc-iron alloy layer. The coated coil then passes through precision roll-forming mills equipped with multiple forming stations that progressively shape the flat sheet into the specified corrugated profile. Each finished panel undergoes dimensional inspection, coating adhesion testing per ASTM A653 bend test requirements, and surface quality verification before packaging and dispatch.
Galvanized Corrugated Roofing Sheet Technical Specifications
Our standard galvanized corrugated roofing sheets are available with the following parameters: base steel thickness from 0.14 mm to 1.20 mm; sheet width from 600 mm to 1,250 mm; corrugation pitch of 76 mm or 32 mm with amplitude of 18 mm or 10 mm respectively; zinc coating weight from Z60 (60 g/m²) to Z275 (275 g/m²) per ASTM A653; tensile strength of 270 MPa to 550 MPa depending on steel grade; and panel lengths custom-cut from 1,000 mm to 12,000 mm. Surface finish options include regular spangle, minimized spangle, and skin-passed finishes to meet diverse aesthetic and functional requirements.
Get a Competitive Quote for Galvanized Corrugated Roofing Sheet
Partner with our mill-direct team to access superior-quality galvanized corrugated roofing sheets at highly competitive bulk rates. Our experienced technical consultants will help you select the optimal specification for your project, ensuring full compliance with local building codes and performance standards. Reach out today for a tailored quotation.
- 24/7 customer support available
- Free samples for quality evaluation
- Competitive pricing for bulk orders
- Professional technical consultation
Contact us today to get your free quote within 24 hours!

