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Modern curved metal staircase

Modern Black Metal Stringer Curved Staircase

Floor height: 10′ (3048mm)

Step Qty: 15+1 (final step is lower than floor )

Riser: 7.5” (190.5mm)

Stairs diameter : Exterior R3334mm (131.26”) Interior R2154mm (84.80”)

Stairs width: 1180mm (46.46”)

Stairs Stringer :12mm steel plate,Black

Tread support: 8mm with nosing

Steps : 15mm artificial marble, White

Categories: Curved Staircase, Steel Curved Staircase Tag: Curved staircase
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  • Description

Modern Black Metal Stringer Curved Staircase

Product Overview

This modern curved staircase features a sleek black metal stringer structure combined with minimalist white treads, creating a striking architectural centerpiece for contemporary interiors. Designed for residential and commercial spaces, this custom spiral-inspired curved stair blends structural strength with elegant form.

Perfect for villas, duplex homes, showrooms, and luxury projects, this staircase enhances vertical circulation while maximizing visual impact.


Key Features

  • Custom Curved Design
    Precisely engineered curvature to fit your floor plan and architectural layout.
  • Mono Stringer Structure
    Central steel spine ensures high strength while maintaining a clean, floating appearance.
  • Premium Finish
    Matte black powder-coated steel for durability and modern aesthetics.
  • Solid Treads Options
    Available in stone, wood, or engineered finishes to match interior styles.
  • Glass Railing Compatible
    Can be paired with frameless glass railing for a more open and luxury look.
  • Space-Efficient Layout
    Ideal for compact areas while maintaining comfortable walking geometry.

Specifications

  • Structure: Steel mono stringer
  • Finish: Powder-coated (custom colors available)
  • Treads: Stone / Wood / Customized
  • Railing: Glass / Steel / Mixed
  • Floor Height: Fully customized (e.g., 3000–3600mm)
  • Application: Indoor staircase

Why Choose Our Curved Staircase

  • ✔ Fully customized to your project drawings
  • ✔ Professional engineering support
  • ✔ Factory direct pricing
  • ✔ Export experience for USA, Australia, Canada
  • ✔ Easy installation with detailed guidance

Applications

This curved staircase is widely used in:

  • Modern villas
  • Duplex apartments
  • Commercial interiors
  • Luxury residential projects
  • Showrooms & offices

Design Advantage

Unlike traditional spiral stairs, this curved black metal stringer staircase offers:

  • Smoother walking experience
  • Wider tread usability
  • Stronger structural stability
  • Higher-end architectural appearance


Call to Action

Looking for a custom curved staircase for your project?
Send us your floor plan or dimensions — we will provide free design and quotation within 24 hours.

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    Product categories

    • Curved Staircase
      • Curved Staircase with Glass Railing
      • Curved Staircase with Iron Railing
      • Curved Staircase with Stainless Steel Railing
      • Steel Curved Staircase
    • U Shaped Staircase
      • U shaped staircase with glass railing
      • U shaped staircase with steel railing
    • L shape staircase
    • Straight Staircase
    • Railing
      • Cable Railing
      • Glass Railing
      • Rod Railing
      • Stainless Steel Railing
    • Spiral Staircase
    • Windows &door
    • Garage door
    • Uncategorized

    Product tags

    Curved staircase Railing Spiral staircase Straight staircase Window&door

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    Foshan NST Building Material Co., Ltd

    Tel: +8615220487078

    info@newstarbuilding.com

    Baihong Mansion,No.77, Dali town, Nanhai District, Foshan City, Guangdong Province, China

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