houses include galvanized structural steel, galvanized corrugated steel, galvanized special-shaped steel, and so on. As the main framework, galvanized steel not only provides sturdy support and excellent rust resistance, but also enables container houses to achieve large spans (span > 15m) and complex designs, meeting the needs of residential, commercial, and industrial spaces for flexibility and aesthetics.
Galvanized Materials in Prefabricated steel Structure Houses
Top side beams: Galvanized square tubes
Top end beams: Galvanized bent parts
Top transverse secondary beams: Galvanized square tubes
Bottom side beams: Galvanized square tubes
Bottom end beam: Galvanized bent components
Bottom longitudinal secondary beams: Galvanized square tubes
Bottom transverse secondary beams: Galvanized square tubes
6mm galvanized hangers: Galvanized hangers
Steel columns: Galvanized bent components
Door and window frames: Galvanized steel profiles (e.g., C-channel profiles)
The Compatibility of Galvanized Steel with Buildings
The service life of galvanized steel ranges from 7 to 50 years, with the thickness of the zinc coating determining the steel’s corrosion resistance. The zinc coating thickness can be selected based on the expected service life of the building. Currently, most prefabricated steel structures are designed for repeated disassembly and reassembly, so the structural components use high-zinc-coated galvanized structural steel.
- Cold-rolled galvanized steel: Features high surface flatness, suitable for exterior wall panels and roof panels of container houses, with a thickness typically ranging from 0.5 to 1.2 mm.
- Hot-rolled galvanized steel: Offers higher strength (yield strength ≥ 345 MPa), used for structural frames (such as columns and beams), with a thickness of 2.0 to 3.0 mm.
Advantages of Prefabricated Galvanized Steel Houses
Prefabricated galvanized steel houses combine the corrosion resistance of galvanized steel with the industrial advantages of modular construction, achieving a perfect blend of efficiency, durability, and sustainability. They have become an innovative solution in the global markets for emergency housing, commercial buildings, and green residential projects.
- Corrosion Resistance: Galvanized materials are resistant to rust.
- Lightweight: Cold-formed galvanized steel sections weigh only 6.8 kg/m, lighter than other traditional building materials.
- High Strength and Toughness: The base material Q355B has a yield strength of ≥345 MPa and an impact energy of ≥27 J at -40°C.
- Seismic Advantage: 18% ductility + bolted flexible connections, passing EN 1998 seismic testing (Grade 9).
- Efficiency: Industrialized production of galvanized steel components can shorten project timelines.
- Cost-effective: Prefabricated steel structures have low initial costs, low maintenance costs, and recyclable materials after disposal.
- High environmental adaptability: Suitable for coastal and salt fog environments, humid and hot regions, industrial pollution zones, extremely cold climates, and high-altitude areas.
- Wide range of applications: Suitable for both temporary housing and permanent residences.
- Disaster resistance: Galvanized structures can withstand harsh environments and are suitable for post-disaster reconstruction.
Material Upgrade
| Application | Solution | Performance |
| Coastal High Salt Spray | ZAM substrate + PVDF coating (300g/m² zinc coating) | Salt spray >3000h, no red rust |
| Cold Regions (-50°C) | Low-temperature galvanized process (adding nickel to zinc bath) | Impact strength ≥40J (-50°C) |
| Seismic Zones | Galvanized light steel flexible frame (cold-formed steel with 18% ductility) | Passes EN 1998 seismic test |
| Strong UV Radiation | Nano-ceramic PVDF coating | Meets AAMA 2605 standard |
Customization
Wanzhi Group’s galvanized steel for prefabricated steel houses is not only durable, corrosion-resistant, wind-resistant, and earthquake-resistant, but also offers a variety of customization options for house layout and exterior design. In addition, the load-bearing capacity of the galvanized steel structure can support house expansion and reorganization, effectively expanding the living space.
| Type | Requirements |
| Emergency Housing | Quick deployment, basic functionality, weather resistance |
| High-End Residences | Personalized appearance, smart systems, eco-friendly materials |
| Commercial Buildings | Space flexibility, brand alignment, energy-saving certification |
| Industrial Applications | Corrosion resistance, load-bearing capacity, fire rating |
If you are looking for prefabricated steel structure houses, please contact Wanzhi Group. We are selling fully equipped double-wing expandable container houses, folding houses, and providing customized houses according to design drawings.