Shanghai Huiyi International Co., Ltd.
| Payment Terms | L/C, T/T |
| Delivery Time | 15-35 days |
| Packaging Details | Sea-worth Package |
| Product name | galvanized Square Steel Pipe |
| Material | Q195/Q215/Q235/Q345 |
| Usage | Construction Structure,Scaffolding |
| Section shape | Round/Square |
| Thickness | 1.2-6.0mm, Customer customized |
| Outer diameter(round) | 0.5 - 10 inch |
| Length | 1-10M, Customer customized |
| Brand Name | HUIYI-GI |
| Model Number | Q195/Q215/Q235/Q345/#20/#45 |
| Certification | API,ISO9001,SGS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Delivery Time | 15-35 days |
| Packaging Details | Sea-worth Package | Product name | galvanized Square Steel Pipe |
| Material | Q195/Q215/Q235/Q345 | Usage | Construction Structure,Scaffolding |
| Section shape | Round/Square | Thickness | 1.2-6.0mm, Customer customized |
| Outer diameter(round) | 0.5 - 10 inch | Length | 1-10M, Customer customized |
| Brand Name | HUIYI-GI | Model Number | Q195/Q215/Q235/Q345/#20/#45 |
| Certification | API,ISO9001,SGS | Place of Origin | CHINA |
| High Light | Structural Sections Galvanized Steel Pipe ，Galvanized Carbon Steel Tube ，20mm Galvanized Square Pipe | ||
Galvanized Square Tube Product Introduction
Galvanized square tubes are square cross-section steel pipes made from high-quality carbon steel or low-alloy steel, formed through cold bending and then processed with hot-dip galvanizing. The zinc coating provides excellent corrosion resistance, making them widely used in construction, municipal engineering, machinery, and other industries.
Galvanized Square Tube Specification
Galvanized Square Tube Features & Advantages
1. Superior Corrosion Resistance
Hot-dip galvanized coating provides 20-30 years of protection, suitable for humid and acidic/alkaline environments.
2. High Strength & Lightweight
Square cross-section offers excellent bending resistance, 30%-50% lighter than solid steel.
3. Easy Installation
Can be directly welded, bolted, or assembled into frameworks, improving construction efficiency.
4. Aesthetic & Durable
Smooth, uniform zinc coating requires no additional painting, reducing maintenance costs.
5. Eco-Friendly & Cost-Effective
100% recyclable, long service life, and lower total cost compared to untreated steel pipes.
Galvanized Square Tube Applications
Construction: Steel structures, stair handrails, curtain wall supports
Municipal Engineering: Streetlight poles, guardrails, drainage systems
Machinery Manufacturing: Equipment frames, conveyor tracks, storage racks
Agricultural Facilities: Greenhouse frameworks, livestock fencing
Power & Telecom: Cable trays, signal tower supports
Frequently Asked Questions (FAQ)
Q1: What’s the difference between galvanized and regular square tubes?
A1: Galvanized tubes have a zinc coating, offering 5-8 times better corrosion resistance, ideal for outdoor or humid environments.
Q2: Will zinc coating peeling affect performance?
A2: Minor peeling can be repaired with zinc-rich paint; large-scale peeling requires replacement. We recommend ≥80g/m² zinc coating for critical applications.
Q3: Can they be cut or welded on-site?
A3: Yes, but cut edges must be painted with zinc-rich primer, and welding areas should be cleaned and rust-proofed.
Q4: How to identify high-quality galvanized tubes?
A4: ① Check for uniform, defect-free coating; ② Verify zinc thickness (≥60g/m²); ③ Request compliance certificates with national standards.
Q5: How often is maintenance needed for outdoor use?
A5: Inspect every 5 years in normal conditions; industrial/coastal areas require checks every 2-3 years for zinc layer integrity.
Company Details
Business Type:
Manufacturer,Agent,Exporter,Trading Company,Seller
Year Established:
2017
Total Annual:
500thousand-1million
Ecer Certification：
Verified Supplier
SHANGHAI HUIYI INTERNATIONAL CO., LTD is a trading company dealing with all kinds of steel products and construction materials. We build long-term relationships with many factories in China since our team has dealt with trading business for many years. Our main products are Galvan... SHANGHAI HUIYI INTERNATIONAL CO., LTD is a trading company dealing with all kinds of steel products and construction materials. We build long-term relationships with many factories in China since our team has dealt with trading business for many years. Our main products are Galvan...
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