Legs: 40mm x 40mm Square Legs
Tubes: 12mm x 25mm Small Flat Tubes / 13mm x 25mm Small Square Tubes with metal/plastic clamp plates
Fittings: Metal Pull Ring
Heavy-Duty Steel Tent Frames - Technical Specifications & OEM Services
Q1: What type of steel do you use for your tent frames, and what are its advantages for heavy-duty applications?
A: We primarily use High-Tensile Carbon Steel (Q235 or Q345 Grade) and, for extreme-duty requirements, Galvanized Steel. The key advantages for structural tent applications include:
Exceptional Strength and Load-Bearing Capacity: Our steel frames offer superior structural integrity, capable of supporting heavy canvas covers, snow loads, and resisting powerful winds far better than aluminum alternatives. This makes them ideal for large event tents, military shelters, industrial warehouses, and permanent installations.
High Durability and Impact Resistance: Steel is highly resistant to impact and abrasion, making it less likely to bend or dent during transport, setup, or in harsh environments.
Cost-Effectiveness: Steel provides the greatest strength per dollar, offering an unmatched value proposition for large-scale or budget-conscious projects without compromising on reliability.
Q2: How do you protect your steel frames from rust and corrosion?
A: Corrosion protection is our top priority for steel frames. We employ a multi-stage process:
Hot-Dip Galvanizing (HDG): This is our most robust and recommended option. The entire steel frame is immersed in a bath of molten zinc, creating a metallurgical bond that provides complete coverage and sacrificial protection, even at cut edges. It offers decades of protection against rust.
Powder Coating: For applications where specific colors are required (e.g., corporate branding), we apply a thick, durable epoxy-polyester powder coat over a pre-treated and primed surface. This provides excellent resistance to UV fading, chipping, and chemicals.
Electro-Galvanizing: A lower-cost alternative for lighter-duty applications, providing a thinner, uniform zinc coating through an electrochemical process.
Q3: Are steel frames suitable for permanent or semi-permanent installation?
A: Absolutely. Steel is the material of choice for permanent and semi-permanent structures. Its superior strength and fatigue resistance ensure long-term stability and safety. When combined with our hot-dip galvanizing finish, the frames are protected against the elements for years, making them perfect for:
Seasonal event venues
Storage facilities
Workshops
Agricultural buildings
Emergency response shelters
Q4: What are your standard steel profiles and connection systems?
A: We specialize in manufacturing frames from round tubing (most common), square tubing (for greater lateral stability), and oval tubing.
Standard Diameters/Thickness: We work with a wide range, from lighter Ø22mm tubes to heavy-duty Ø50mm+ tubes, with wall thicknesses from 0.8mm to 2.0mm+.
Connection Systems: We produce incredibly strong swaged connections, flanged bolt-together systems, and reinforced welded joints. Our systems are designed for tool-assisted assembly, ensuring a rock-solid and safe structure.
Q5: Can you customize frames for unique structural designs?
A: Yes, customization is our strength. Steel is highly malleable and can be fabricated into complex shapes. Our engineering team can:
Design and produce frames for any unique tent structure.
Advise on the optimal steel grade, tubing diameter, and wall thickness to meet your specific load and safety requirements.
Create custom connection hubs and brackets for ease of assembly.
Q6: What is the Minimum Order Quantity (MOQ) for custom steel frame orders?
A: Due to the setup involved in custom tooling and fabrication, our standard MOQ for custom steel frames is typically 1,000 - 3,000 meters per specification. However, we are open to discussing projects of all sizes and can offer more flexible terms for standard profiles.
Q7: How do you ensure the structural integrity and quality of your steel frames?
A: We implement a rigorous quality control regimen specific to steel:
Material Certification: Verification of steel grade and quality.
Dimensional Accuracy: Ensuring all tubes and connectors meet precise tolerances for a perfect fit.
Coating Quality Control: We perform salt spray testing (ASTM B117) on all protective finishes to guarantee they meet the promised hours of resistance (e.g., 500+ hours for powder coating, 3000+ hours for hot-dip galvanizing).
Weld Integrity: Ultrasonic or X-ray testing on critical welds.
Load Testing: Destructive and non-destructive load tests are conducted on sample frames to validate their design strength.