High Quality Prefabricated Steel Structure Workshop Building With Crane And Sandwich Panel
Description
Steel structure building is characterized by its load-bearing frame of structural steel components—such as I-beams and Hollow Structural Sections (HSS)—engineered for maximum load efficiency. The frame's frequent prefabrication guarantees extreme precision and significantly enables rapid construction and assembly on site. Exploiting steel's exceptional strength-to-weight ratio, these structures are the preferred choice for skyscrapers and expansive projects, offering unmatched seismic resistance and boundless architectural freedom over conventional materials.
| 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:
Steel Corrosion Protection: Coating vs. Galvanization
The two primary methods for long-term steel protection are Anti-Rust Painting and Hot-Dip Galvanization (HDG).
Anti-Rust Painting creates a multi-layered physical barrier that seals the steel surface from environmental corrosives. The process is critically dependent on thorough surface preparation (e.g., blast cleaning) for optimal bonding. A system typically includes an anti-corrosion primer (with pigments like zinc phosphate), intermediate coats for thickness, and a final topcoat (epoxy, polyurethane) for color and UV resistance. Painting excels in color flexibility and field repairability, but its total lifespan is dictated by the quality of the initial application.
Hot-Dip Galvanization (HDG) provides a significantly more durable, long-term solution. Steel components are chemically cleaned and then submerged in molten zinc, initiating a powerful metallurgical reaction that forms extremely tough zinc-iron alloy layers. HDG’s key benefit is its dual protection mechanism: it acts as a robust barrier while providing cathodic (sacrificial) protection, meaning the zinc corrodes first to save the base steel if damaged. This method ensures complete, uniform coverage, yielding service lives that frequently surpass 50 years with minimal upkeep.
Common Applications of Steel Structure Building:
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Industrial & Logistics: The dominant material for factories and warehouses, steel provides the essential wide, open spans needed for large machinery and highly flexible production layouts.
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Commercial & Vertical: Indispensable for skyscrapers, offices, and large retail centers. Steel's superior strength-to-weight ratio resists heavy wind and seismic forces while ensuring expansive, column-free interiors.
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Critical Infrastructure: Valued for bridges, transport terminals, and airports, steel offers superior durability and allows complex, large-scale structures to be erected at exceptional speed.
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Unique Architecture: Widely used in stadiums, arenas, and hangars where the designs mandate specialized geometric configurations and extremely long-span roofing.
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Cost-Effective Enclosures: Steel forms the robust basis for barns, silos, and storage sheds. Its use is also rapidly increasing in modular and multi-story housing due to its inherent cost-effectiveness.
Why Us?
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Engineering Optimization: Our senior design experts develop custom solutions, meticulously calculating and optimizing steel utilization to deliver highly efficient, high-performing final structures.
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Fabrication Quality: Utilizing advanced equipment, our skilled production team guarantees superior precision and unwavering quality in the manufacturing of every structural component.
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Single-Source Project Management: We function as your integrated partner, delivering a seamless, design-to-installation service that manages the entire lifecycle of your project.
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Certified Support: Our absolute commitment to excellence is verified by strict adherence to international standards, complemented by reliable, responsive after-sales support for lasting client satisfaction.
Packing & Loading:
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Fortified Packaging: Every component is protected by damage-proof, reinforced packaging, creating a reliable barrier that eliminates the risk of damage throughout transportation.
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Optimized Containerization: Our professional team uses specialized gear for precision loading, maximizing the space within every 40-foot high cube while guaranteeing strict adherence to careful handling standards.
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Guaranteed Timeliness: We enforce a rigorous, full-cycle logistics system to ensure all materials arrive at your construction site on schedule and free of complication.
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 leading source for steel structure solutions, offering a fully integrated, end-to-end service that covers every phase, from conceptual design to professional installation. Our operations are anchored by a state-of-the-art 50,000 m2 facility, strategically located in the West Coast New District, just 30 kilometers from Qingdao Port. This powerful capacity, coupled with the expertise of 115 dedicated professionals, ensures the consistent delivery of high-quality, sustainable buildings.
Certification
Product Attributes
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