Equip your projects with our high-quality 20-gauge galvanized steel, engineered for superior durability and uncompromising corrosion resistance. Whether your project requires standard dimensions or precise custom fabrication, our versatile steel products are designed to deliver reliable performance across a wide range of industrial and commercial applications.
Key Advantages
Exceptional Corrosion Resistance: Specially treated to withstand harsh environments and significantly extend product lifespan.
Global Standard Compliance: Manufactured and rigorously tested to meet strict ASTM, JIS, EN, and GB international specifications.
Custom Fabrication Capabilities: We offer comprehensive processing services to tailor the steel to your exact project requirements.
Striking the perfect balance between durability and affordability, 20-gauge (1.0058 mm) is one of the most highly sought-after materials across multiple industries. 1mm Aluminium Sheet
| Parameter | Specifications & Options |
| Standard Thickness | 1.006 mm (0.0396 inches) |
| Width Range | 600 mm – 1500 mm |
| Compliance Standards | ASTM, EN, GB, JIS |
| Material Grades | SPCC, SGCC, CGCC, Q195, Q235, DX51D, DX52D, DX53D, S250GD, S350GD, S550GD, CS Type A, CS Type B |
| Spangle Finishes | Zero Spangle, Small Spangle, Regular Spangle, Big Spangle |
| Galvanizing Methods | (Standard), Electrogalvanized |
| Zinc Coating Weight | 30 – 275 g/m² (Double-Sided) |
| Available Supply Forms | Coil, Sheet, Strip, Pipe |
| Mechanical Properties |
Tensile Strength: ≥ 967 MPa
Yield Strength: ≥ 831 MPa (Based on 20# steel) |
| Surface Treatments | Oiled / Unoiled, Passivated, Anti-Fingerprint, Pre-Coated (PPGI Coil) |
| Value-Added Processing | Cutting, Slitting, Bending, Stamping, Press Forming, etc. |
| Minimum Order (MOQ) | 18Tons |
| Packaging Options | Standard Export Seaworthy Packaging (or customized to your project requirements) |
Thanks to its optimal balance of strength, formability, and corrosion resistance, our 20-gauge galvanized steel is the material of choice across a wide array of demanding sectors:
Architecture & Construction: Engineered for superior longevity in non-load-bearing and lightly load-bearing applications. It is widely specified for architectural roofing systems, exterior wall panels, HVAC ventilation ductwork, robust cable trays, and highway guardrail systems.
Industrial Manufacturing: The trusted solution for protective enclosures and structural components. It is highly recommended for fabricating durable equipment housings, electrical distribution cabinets, and control boxes. It also provides reliable, heavy-duty strength for warehouse shelving systems, logistics pallets, and agricultural machinery guards.
Residential & Agricultural Solutions: Delivers dependable, rust-resistant performance for everyday structural needs. It is routinely utilized for residential ceiling joists, metal furniture framing, livestock facility roofing, secure agricultural perimeter fencing, and resilient grain storage equipment.


We don’t just supply galvanized steel coils; we deliver fully tailored solutions ready for your production line. Our extensive in-house capabilities ensure your material arrives exactly to your specifications, reducing your lead times and secondary processing costs.
Precision Fabrication: Streamline your manufacturing process with our full suite of processing technologies. Our advanced facilities expertly handle precision cutting, punching, bending, welding, slitting, and decoiling to meet your exact tolerances.
Advanced Surface Treatments: Elevate the look and performance of your end products. Beyond premium standard galvanizing, we offer specialized surface finishes including pre-painting (PPGI), custom embossing, and specialized printing to achieve the perfect balance of aesthetics and functionality.
Fully Tailored Specifications: Your project dictates our production. We offer total manufacturing flexibility, allowing you to customize exact dimensions and specify precise zinc coating weights (including industry standards like G90 and Z120).
Secure & Custom Packaging: We protect your investment. Choose from customized shipping solutions, including heavy-duty reinforced metal packaging or premium moisture-proof paper wrapping, guaranteeing your steel arrives in pristine condition regardless of transit conditions.
Q: What is the exact thickness of 20-gauge galvanized steel?
A: The industry-standard thickness for 20-gauge galvanized steel is approximately 1.006 mm (0.0396 inches). This specific gauge provides an optimal balance of structural strength, flexibility, and cost-effectiveness.
Q: What are the primary applications for this material?
A: Due to its excellent corrosion resistance and formability, 20-gauge steel is widely trusted across multiple sectors:
Construction: Architectural roofing, wall panels, HVAC ductwork, and highway guardrails.
Manufacturing: Equipment enclosures, electrical distribution cabinets, and heavy-duty shelving.
Agriculture: Livestock facility roofing, secure fencing, and grain storage equipment.
Q: Can you customize the zinc coating and dimensions?
A: Absolutely. We offer fully tailored solutions. You can specify exact dimensions (our standard width range is 600 mm – 1500 mm) and precise zinc coating weights, including industry standards like G90 and Z120 (ranging from 30 to 275 g/m² double-sided), depending on the environmental demands of your project.
Q: What secondary processing services do you provide?
A: We operate as a full-service manufacturing partner. To streamline your production line, our in-house facilities offer precision cutting, slitting, bending, stamping, and decoiling. We also provide advanced surface treatments such as pre-painting (PPGI), custom embossing, and anti-fingerprint coatings.