China Steel Industrial Stairs Manufacturer, Supplier, Factory

Industrial and commercial facilities require robust and reliable access solutions. Our high-performance Metal Structure Stairs are engineered for maximum durability and long-term value. For projects demanding a strong foundational support system, our Steel Frame Stairs provide an unparalleled structural core. When you need a solution built to withstand harsh outdoor environments, our Steel Exterior Stairs offer superior resistance to corrosion and weathering. For creating safe and efficient internal circulation, our Steel Interior Stairs combine strength with a clean, professional aesthetic suitable for any indoor application. We specialize in custom fabrication to meet your exact specifications and load requirements.


The fundamental strength of our Steel Industrial Stairs product line lies in its precise engineering and high-quality materials. Each Steel Industrial Stairs unit is fabricated to exacting standards, ensuring a perfect fit and exceptional performance in your facility. Below are the detailed specifications that define our product.

Standard Material Specifications

  • Primary Material: ASTM A36 Carbon Steel
  • Stringers: Wide Flange Beams or Channel Sections
  • Treads: Checkered Plate or Bar Grating
  • Handrails & Guardrails: Standard Pipe Sizes
  • Fasteners: High-Strength Bolted Connections

Standard Finishes & Customization

  • Standard Finish: Industrial-Grade Primer
  • Optional Finishes: Powder Coating, Galvanization, Industrial Enamel Paints
  • Custom Fabrication: Available for non-standard dimensions and load capacities.

Technical Specifications Table

Parameter Standard Specification Notes
Standard Width 44 inches Custom widths available upon request.
Tread Thickness 11 Gauge (0.120 inch) Checkered Plate Standard.
Riser Height 7 inches (Maximum) Compliant with OSHA standards.
Tread Depth 11 inches (Minimum) Compliant with OSHA standards.
Live Load Capacity 100 PSI (Minimum) Higher capacities can be engineered.
Handrail Height 42 inches (from tread nose) Compliant with IBC/OSHA.
Stringer Type W-Beam or C-Channel Selected based on span and load.

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