：sales@zsjhsteel.com WhatsApp：+86-15122582058
ZSJH
Straight, L-shaped, U-shaped, spiral and multi-level stair configurations are available. The structure can be supplied with steel stringers, anti-slip treads, landings, support columns, handrails, guardrails, toe plates and connection components.
Factory fabrication ensures accurate dimensions, consistent welding quality and faster on-site installation.
Custom design based on drawings and site dimensions
Heavy-duty steel stringers and support frames
Anti-slip grating, checker plate or perforated treads
Integrated platforms, handrails and guardrails
Bolted modular connections for efficient installation
Hot-dip galvanized, painted or powder-coated finishes
Suitable for indoor and outdoor environments
Prefabricated and trial-assembled before delivery
Export packaging for long-distance transportation
Installation drawings and technical support available
| Item | Available Options |
|---|---|
| Product Type | Straight, L-shaped, U-shaped, spiral or multi-flight staircase |
| Main Material | Q235B, Q355B, S235JR, S355JR or project-specified steel |
| Stair Width | 600–1,500 mm or customized |
| Stringer Type | Steel plate, channel steel, RHS or fabricated beam |
| Tread Type | Steel grating, checker plate, perforated plate or anti-slip plate |
| Landing | Customized size and elevation |
| Handrail Height | 900–1,200 mm or according to project requirements |
| Guardrail Type | Pipe rail, square-tube rail or vertical baluster |
| Connection | Bolted, welded or combined connection |
| Surface Treatment | Painting, powder coating or hot-dip galvanizing |
| Color | Customized according to the project |
| Load Capacity | Engineered according to intended use |
| Fabrication | Cutting, drilling, welding, trial assembly and surface treatment |
| Documentation | Shop drawings, material certificates and inspection reports |
| Packaging | Steel frames, bundles or customized export packaging |
A simple and economical solution for mezzanine floors, platforms, warehouses and industrial equipment access.
Two perpendicular flights connected by a 90-degree landing, suitable for buildings with limited installation space.
Two parallel flights connected by a 180-degree landing, commonly used for multi-level access and exterior fire escape systems.
A compact solution for storage tanks, towers, equipment platforms and restricted spaces.
A self-supporting stair system with multiple flights, platforms, columns and bracing for factories, power plants and industrial facilities.
Provides durable corrosion protection for outdoor, coastal and high-humidity environments.
Available with primer and finish coats in customized colors. The coating system can be selected according to the operating environment.
Provides a smooth, durable and attractive finish for indoor staircases, warehouses and commercial-industrial buildings.
Steel stair structures are widely used in:
Industrial factories and workshops
Warehouses and logistics centers
Steel mezzanine floors
Equipment maintenance platforms
Power plants and processing facilities
Water-treatment facilities
Storage tanks and silos
Mining and cement plants
Outdoor building access
Emergency and fire escape systems
Loading docks and service platforms
Review project drawings and technical requirements
Prepare structural and fabrication drawings
Cut and drill steel components
Assemble stringers, platforms and support frames
Complete welding and dimensional inspection
Conduct trial assembly when required
Perform blasting and surface treatment
Inspect the finished components
Mark, package and prepare for export
Every steel staircase is inspected throughout the fabrication process.
Raw material certificates and traceability
Dimensional and alignment inspection
Welding appearance and quality inspection
Bolt-hole and connection verification
Trial assembly for complex structures
Coating thickness or galvanizing inspection
Final inspection before packing
Third-party inspection available upon request
Yes. The dimensions, stair configuration, tread type, handrail, platform, connection and surface finish can all be customized.
Please provide the floor height, available installation space, stair width, loading requirements, preferred surface treatment and project drawings. DWG, DXF, PDF and BIM files are accepted.
Hot-dip galvanized steel grating is commonly recommended for outdoor and wet environments because it provides drainage and anti-slip performance.
Yes. Large stair structures can be divided into transportable modules and assembled on-site using bolted connections.
Yes. Assembly drawings, connection details, component marks and installation instructions can be supplied with the order.
Yes. Hot-dip galvanizing or a suitable protective coating system can be selected for outdoor environments.
