Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of galvanized i-beam post in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
Product Overview
A Galvanized I-Beam Post is a structural steel member shaped like the letter "I," engineered for heavy-duty support and long-term outdoor service. After fabrication, the beam is hot-dip galvanized to form a dense zinc coating that protects against corrosion in harsh environments. Galvanized I-Beam posts are widely used in solar mounting systems, highway guardrails, agricultural fencing, construction frameworks, and industrial structures due to their outstanding load-bearing capacity, impact resistance, and long service lifespan.
Keywords: Galvanized I-Beam Post, Hot-Dip Galvanized I Beam, Steel I-Beam Post, HDG I Beam for Fencing, Galvanized Structural I-Beam Post, Solar Mounting Steel Post, Highway Guardrail I-Beam
high quality
advanced equipment
professional team
global shipping
Key Features
Premium Galvanized Coating – Maximum Rust Protection
Hot-Dip Galvanized Finish – The beam post is fully immersed in molten zinc, creating a durable, uniform protective layer.
Corrosion-Resistant – The zinc coating protects against rust, even in wet, humid, or coastal environments.
Long Service Life – Reduces maintenance and extends the lifespan of your structure.
High-Strength Structural Design
Precision-Engineered I-Beam Shape – The "I" profile maximizes strength-to-weight ratio, ensuring optimal load distribution.
Durable Steel Construction – Made from high-tensile structural steel for maximum load capacity.
Stable and Secure – Provides excellent vertical support for framing, racks, shelving, and overhead structures.
Versatile Applications
Warehouses & Industrial Facilities – Used as framing posts, support columns, or rack uprights.
Commercial Buildings – Ideal for mezzanine systems, balconies, and balconies.
Residential Construction – Suitable for pergolas, carports, and garage framing.
Agricultural & Storage Solutions – Perfect for barns, silos, and outdoor equipment supports.
Technical Specifications
| Specification | Details |
|---|---|
| Material | Structural Steel (ASTM A36 or A572 Grade 50) |
| Coating | Hot-Dip Galvanized (AZ50 thickness per ASTM A123) |
| Common Sizes (Available Upon Request) | 2" x 2" x 1/4" (50mm x 50mm x 6mm) 3" x 3" x 5/16" (76mm x 76mm x 8mm) 4" x 4" x 3/8" (102mm x 102mm x 10mm) |
| Standard Lengths | 8', 10', 12', 16', 20' (Custom lengths available) |
| Weight Capacity | Varies by size (up to 5,000 lbs per post for larger sizes) |
| Surface Finish | Smooth galvanized coating (brushed or matte finish) |
Standard Sizes
| Size (Height × Flange × Web) | Wall Thickness | Approx. Weight | Surface Finish |
|---|---|---|---|
| 100 × 68 × 4.5 mm | 4.5–6 mm | 8–10 kg/m | Hot-Dip Galvanized (HDG) |
| 125 × 74 × 5 mm | 5–7 mm | 12–14 kg/m | Hot-Dip Galvanized (HDG) |
| 150 × 100 × 6 mm | 6–8 mm | 16–18 kg/m | HDG / Pre-Galvanized |
| 175 × 125 × 7 mm | 7–10 mm | 20–23 kg/m | HDG Coating ≥ 70–120 μm |
| 200 × 150 × 8 mm | 8–12 mm | 24–30 kg/m | HDG / Custom Zinc Thickness |
Mechanical Properties
| Grade | Yield Strength | Tensile Strength | Elongation |
|---|---|---|---|
| Q235B | 235 MPa | 375–500 MPa | ≥ 26% |
| Q355B | 355 MPa | 470–630 MPa | ≥ 22% |
| S235JR | 235 MPa | 360–510 MPa | ≥ 26% |
| S355JR | 355 MPa | 470–630 MPa | ≥ 22% |
Advantages of Galvanized I-Beam Posts
Enhanced Durability
● The galvanized coating ensures long-term resistance to rust and corrosion, even in harsh industrial environments.
01
Cost-Effective Solution
● Lower maintenance costs due to extended service life.
● No need for additional protective coatings in most applications.
02
Easy Installation
● Standardized sizes for quick and easy integration with existing steel structures.
● Compatible with welding, bolting, or riveting methods.
03
Load-Bearing Efficiency
● Optimized "I" shape provides maximum strength with minimal material, reducing unnecessary weight.
04
Eco-Friendly & Recyclable
● Made from 100% recyclable steel, meeting modern sustainability standards.
05
Applications & Use Cases
Used as rack posts, shelving supports, or mezzanine uprights in factories and storage facilities.
Adds vertical support to balconies, staircases, and canopies in commercial buildings.
Ideal for outdoor structures like carports, pergolas, and garden sheds.
Perfect for barns, silos, and farming equipment supports exposed to weather elements.
Provides durable framing in bridges and overpasses requiring high strength.
Why Choose Our Galvanized I-Beam Posts?
Unmatched Quality Assurance – Each post is inspected for structural integrity and coating uniformity.
Customizable Options – Available in various sizes, grades, and lengths to fit your project needs.
Global Shipping – Fast delivery to most locations worldwide.
Competitive Pricing – High-quality steel at factory-direct prices.
Technical Support – Our engineers can assist with load calculations and design optimization.
If you need galvanized I-beam posts for solar farms, guardrails, construction, or industrial structures, our engineering team is ready to support your project from design to delivery.
We provide:
✔ Professional structural recommendations
✔ Customized dimensions, drilling, and galvanizing thickness
✔ Fast production & stable quality
✔ Export-ready packing for global shipping
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ for Galvanized I-Beam Posts
1. What galvanizing method is used for your I-beam posts?
All I-Beam posts are hot-dip galvanized after fabrication, ensuring complete zinc penetration including edges, cuts, and weld areas.
2. How thick is the zinc coating?
Standard zinc coating is 70–120 μm, and we can upgrade to 140–200 μm for coastal, marine, or high-corrosion environments.
3. What is the expected service life of a hot-dip galvanized I-beam post?
Typically 25–50 years depending on environment. In marine or high-humidity areas, thicker zinc layers are recommended.
4. Do you provide pre-drilled or pre-slotted posts for solar and guardrail systems?
Yes. We offer CNC drilling, punching, and slotting based on your mounting design or guardrail specification.
5. What steel grades are recommended for high structural load or impact resistance?
For heavy-duty loads, we recommend Q355/S355/A572-50, providing higher yield strength and lower deformation.
6. Can the beams be used for solar PV ground mounting systems?
Yes. Galvanized I-Beam posts are widely used in utility-scale solar farms for their high stability and corrosion resistance.
7. Are your I-beams compliant with international standards?
We supply to ASTM, EN, ISO, JIS standards and can provide mill test certificates (MTC 3.1) per EN 10204.
8. What is the tolerance for dimensions and straightness?
Dimensional and straightness tolerances follow EN 10034 or ASTM A6, with optional tighter tolerances for solar or structural engineering projects.
9. Do you support anti-rust treatment for cut or welded areas?
Yes. After fabrication, we apply zinc-rich epoxy paint to ensure the entire post remains fully protected.
10. Can you provide engineering drawings or structural load calculations?
Absolutely. For large projects, we provide custom CAD drawings, load testing data, and structural recommendations.
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