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Custom spiral staircase fabricated from structural steel components for residential, commercial and industrial projects. Central columns, treads, handrails, platforms and connection details can be manufactured according to customer-approved engineering drawings and site installation requirements.
Material :
Structural Carbon Steel / Stainless SteelCommon Grade :
Q235 / Q355 / SS400 / 304 / Project-SpecifiedThickness :
According to DrawingSize :
Custom to DrawingSurface Finish :
Hot-Dip Galvanizing / Powder Coating / Brushed / Project-SpecifiedManufacturing Process :
Cutting / Forming / Bending / Drilling / Welding / Machining / Grinding / FinishingCentral Column :
Custom to Structural DrawingTread & Platform Structure :
CustomHandrail & Guardrail :
CustomInstallation Interface :
Base Plate / Bolted Connection / Project-SpecifiedApplication :
Residential Buildings · Commercial Buildings · Industrial Facilities · Access Structures
Overview
The staircase is manufactured around the approved overall geometry, center column, tread arrangement, handrail and installation interfaces. Structural components and connection details can be coordinated before fabrication to support accurate assembly and site installation.
Applications: Residential Buildings · Commercial Buildings · Industrial Facilities · Access Structures
Recommended Materials
Structural Carbon Steel
Stainless Steel
Protective Finishes:
Hot-dip galvanizing, powder coating or project-specified finishing can be selected according to the installation environment and approved design.
Customization Options
Frames & Structures Customization Options
Stair Geometry & Layout
Tread, Handrail & Platform
Base & Connection Details
Key Design Considerations
Structural Geometry
Connection Accuracy
Corrosion Protection
Site Installation
Manufacturing Process
We provide structural metal fabrication covering material preparation, cutting, bending, welding, machining, grinding, surface finishing, hardware installation, assembly and final inspection.
Additional reinforcement, tapping, drilling, fixture welding or other operations can be added according to the approved structural drawing and project requirements.
OEM Manufacturing Support
Prototype production and DFM review are available for new projects before volume manufacturing. Learn more on our Capabilities page
After-Sales Support
We support quality feedback, replacement parts, repeat production and approved design updates for ongoing OEM projects according to the agreed project scope.
FAQ
Yes. Center columns, treads, handrails, platforms, base plates and connection details can be fabricated according to customer-approved engineering drawings and project requirements.
Yes. Hot-dip galvanizing can be applied where specified, with the final corrosion-protection system selected according to project environment and material requirements.
Yes. Trial assembly can be provided where project scope and shipping conditions allow.
Yes. The staircase can be fabricated in transportable sections with bolted or project-specified connection details according to the approved design.
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