Pre-Engineered Prefabricated Steel Structure Workshop Building Steel Frame
Description
Structural steel buildings rely on an engineered frame (e.g., I-beams, HSS) for optimized load bearing. Crucially, precision factory prefabrication enables rapid on-site assembly. This approach, leveraging steel's exceptional strength-to-weight ratio, makes these structures ideal for tall and expansive projects, providing both superior seismic performance and unmatched architectural flexibility.
| ITEMS | SPECIFICATION |
| Main Steel | Q355, Q235, Q355B, Q235B, etc. |
| Anti-rust protection | Hot-dip galvanized or anti-rust painting |
| Purlin and girts | Cold-rolled C or Z steel, Q355 or Q235 |
| Column & Beam | Welded or Hot rolled H-section |
| Connection method of steel structure | Welding connection or bolt connection |
| Wall & Roof | Sandwich panel or steel sheet. |
| Door | Rolled up door or Sliding door |
| Window | Plastic steel or Aluminum alloy window |
| Surface | Hot-dip galvanized or painted |
| Crane | 5MT, 10MT, 15MT, and more |

Painting system on peb steel structure surface:
Structural steel is protected primarily through Anti-Rust Painting or Hot-Dip Galvanization (HDG).
Anti-Rust Painting establishes a multi-layered physical seal against environmental damage. The process mandates thorough surface preparation (e.g., blast cleaning) to ensure proper adhesion of the corrosion-inhibiting primer, thickness coats, and a final decorative/UV-resistant layer. Its key advantages are design flexibility due to color options and ease of on-site touch-ups, but the lifespan directly reflects the application quality.
Hot-Dip Galvanization (HDG) offers a far more durable solution. Cleaned steel is submerged in molten zinc, creating an extremely tough zinc-iron alloy bond. This galvanization provides a potent dual defense: acting as a superior physical barrier while also offering sacrificial protection that shields the steel from corrosion even when the surface is breached. The result is guaranteed uniform coverage and a service life often extending through decades without maintenance.
Common Applications of Steel Structure Building:
Industrial & Warehousing: As the preferred material, steel enables the wide, column-free spaces essential for factories and distribution centers to house large equipment and support flexible production layouts.
Commercial & High-Rise: Essential for skyscrapers, offices, and retail centers. Steel's superior strength efficiently counters wind and seismic forces, which is necessary for creating open, customizable interiors.
Civil Works & Transit: Used extensively for bridges, transit hubs, and airports, steel is valued for its longevity and the speed at which complex, large-scale infrastructure can be assembled.
Specialty Design: For projects like stadiums, arenas, and aircraft hangars that demand unique geometries and massive clear spans, steel serves as the defining structural element.
Housing & Utility: Steel provides a durable, cost-effective foundation for agricultural buildings and is increasingly utilized in modern modular and multi-story residential construction.
Why Us?
Value Engineering: Our senior design team customizes solutions by precisely calculating and optimizing material use, ensuring both cost-effectiveness and superior structural performance.
Fabrication Accuracy: Using advanced equipment, our skilled production crew guarantees industry-leading precision and unwavering quality control when manufacturing every steel component.
Integrated Project Flow: We partner with you, offering a simple, end-to-end service that expertly manages your entire project, from initial concept to final installation.
Guaranteed Standards: Our excellence is verified by strict adherence to international standards, backed by reliable, responsive after-sales support for lasting client satisfaction.
Packing & Loading:
Component Protection: We secure every item with reinforced, damage-resistant packaging, establishing a reliable barrier to eliminate the risk of damage throughout transportation.
Container Optimization: Leveraging specialized gear, our team expertly loads 40-foot high cube containers, ensuring maximum space efficiency while strictly maintaining meticulous material handling standards.
Timely Delivery: A rigorous, integrated logistics system guarantees that all materials reach your construction site on schedule and without issue.

FAQ:
1. You are manufacture factory or trading company?
As a direct manufacturing facility based in Qingdao, China—just a stone's throw away from the Qingdao Port—we pride ourselves on our stringent quality management system, expert design team, robust production capabilities, and extensive manufacturing experience.
2. How about your quality control?
1)we only cooperate with high-quality raw material suppliers with strength and reputation, and our quality inspection department will conduct
100% strict testing on the raw materials before entering our factory.
2) our workers are all certified and regularly assessed, In this way, we can guarantee the production quality.
3)During the production process, we have three parts: self-inspection, mutual inspection, and workshop inspection. Only qualified product can move to next step.
4) Before delivery, inspection working will check everything with delivery list, to ensure that we send you every items and you can install it locally.
3.What's the delivery time?
Usually 30 days. Don't worry about the delivery time at all, we have perfect management plan for each project, then deliver to you on time.
4. Do you offer service for installation?
Yes,But we will provide very detailed installation drawings and videos. Generally, you can install it locally,they are all prefabricated and bolted.
Otherwise , we can also send engineer for guiding installation.
5. What's the payment term?
We have two payment terms.
1) 30% advance payment before producing by T/T, and 70% balance by T/T before shipping.
2) 100% irrevoable L/C
6. How to get a fast quotation?
Please send us your project preliminary drawing, then we would quote you accordingly in 2days. Or we confirm several questions with you, then do quotation list with details for you timely.
7. Is your price competitive compared with other companies?
We are direct factory, yes, it`s competitive, price and quality are guaranteed.
Our Steel Structure Fabricaiton Factory
Qingdao Ruigang Heavy Industry Co., Ltd. is your comprehensive provider for steel structure solutions. We manage your entire project lifecycle with a seamless, design-to-installation service. Our commitment to delivering high-quality, sustainable buildings is driven by the expertise of 115 professionals and supported by our 50,000 m² modern facility. We are strategically situated in the West Coast New District, just 30 kilometers from Qingdao Port.



Certification

Product Attributes
