Tube carré en acier inoxydable

Tube carré en acier inoxydable

Square Stainless Steel Tube Manufacturer & Custom Supplier in China

Square stainless steel tube is one of the most widely used structural materials for construction, railing systems, furniture frames, machinery, automotive components, architectural decoration, and industrial equipment. As a professional manufacturer with over 20 years of production experience, we supply high-precision square stainless steel tubes in 304, 316, 201, and other alloys, offering full-size customization, OEM processing, and global export service for B2B buyers.Whether you need welded or seamless square tubes, thin-wall decorative tubing, or heavy-duty structural square pipes, we provide stable quality, fast delivery, and competitive factory prices.

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Aperçu du produit

hat Is a Square Stainless Steel Tube?

A square stainless steel tube is a hollow steel profile with four equal sides, produced through forming, TIG welding, cold drawing, or seamless manufacturing. It provides excellent strength, corrosion resistance, and clean modern aesthetics—making it ideal for both structural and decorative applications.Compared with round tubes, square stainless steel tubes provide:Better bending resistanceStronger structural stabilityA flat surface for easy weldingClean, modern appearance for decorationHigher load-bearing performanceIt is widely used in railings, balustrades, frames, door structures, machinery, furniture, and industrial systems.

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Tube carré en acier inoxydable

Key Features of Our Square Stainless Steel Tubes

Premium Stainless Steel (304 / 316 / 201 / 430)

Manufactured using high-quality stainless steel sourced from certified mills, ensuring stable composition, strong corrosion resistance, and long-term durability for both indoor and outdoor applications. Each batch undergoes chemical and mechanical testing before production.

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Tube carré en acier inoxydable

Key Features of Our Square Stainless Steel Tubes

Smooth & Uniform Surface Finish

Available in brushed, mirror-polished, matte, hairline, and pickled finishes. Every tube is polished and inspected to achieve consistent color, smooth edges, and a clean architectural appearance—ideal for railing systems, furniture, and decorative structures.

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Tube carré en acier inoxydable

Key Features of Our Square Stainless Steel Tubes

Precise Dimensions & Stable Quality

Advanced forming, TIG welding, and laser measurement systems ensure excellent straightness, accurate corner radius, and uniform wall thickness. This guarantees trouble-free welding, cutting, and assembly for contractors and fabricators.

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Key Features of Our Square Stainless Steel Tubes

Full Customization Support

Custom sizes, wall thickness, lengths, tolerance levels, hole patterns, cutting, bending, and OEM packaging are available. We support drawings, samples, and project-specific custom fabrication to meet the needs of distributors and engineering companies.

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Tube carré en acier inoxydable

Key Features of Our Square Stainless Steel Tubes

High Load-Bearing Strength

Designed to withstand bending, compression, and torsion, making them suitable for structural frames, mechanical supports, railing posts, and architectural installations. Each tube is tested for hardness, tensile strength, and surface integrity before shipment.

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High Load-Bearing Performance

Common Sizes of Square Stainless Steel Tube

We manufacture square stainless steel tubes in all standard and customized sizes.

Popular Size RangeSide Width: 10 × 10 mm – 200 × 200 mmWall Thickness: 0.5 – 8.0 mmLength: 6 m (standard), or customizedThickness OptionsThin-wall decorative square tubeMedium-wall handrail and structure square tubeHeavy-duty square tube for machinery and engineering

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  • Materials & Grades We Provide

    304 Stainless Steel Square TubePerfect for most indoor & outdoor projects; corrosion-resistant and easy to fabricate.316 Stainless Steel Square TubeMarine-grade with stronger corrosion resistance; ideal for coastal, chemical, and outdoor environments.201 Stainless Steel Square TubeCost-effective option for decorative applications.409 / 430 Stainless Steel Square TubeUsed in automotive and indoor structural applications.

  • Manufacturing Process of Square Stainless Steel Tube

    We supply square tubes produced via several methods depending on application needs:1. Welded Square Stainless Steel TubeMade from coil forming + TIG weldingUsed for handrails, furniture, construction decorationSmooth weld seam after polishing2. Cold-Drawn Square TubeVery tight tolerancesIdeal for precision engineering & assembly components

  • Surface Finishes for Square Stainless Steel Tubes

    We provide multiple finishing options:Brushed / Satin Finish (180–600 grit)Mirror Polished (8K)Matte FinishPickled SurfaceHairline FinishPVD Color Coating (Gold, Black, Bronze)Each finish is suitable for different applications such as railings, furniture, architectural interior design, and machinery.

  • Packaging & Delivery

    We provide strong export packaging:Plastic film wrappingWaterproof woven bagAnti-rust protectionSteel strapped bundlesPallet packaging (optional)Customized branding (optional)Shipping options:LCL / FCLSea freightRailway transport (to Europe)Air freight for urgent orders

Application scenario

Applications of Square Stainless Steel Tubes

Square tubes are extremely versatile. We supply them to industries worldwide including:

Balustres d'escalier

Railing & Balustrade Systems

Balcony railingsStair handrailsSwimming pool guardrailsGlass railing frames

Construction Structures

Construction Structures

Building framesDoors and window support systemsPartition structures

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Furniture & Decoration

Table framesChair legsDisplay racksModern interior decor elements

Table frames Chair legs Display racks Modern interior decor elements

Machine framesConveyor systemsAgricultural machineryVehicle structures

Glass Balustrade and Modern Designs

Lightweight, corrosion-resistant square profiles for automotive parts.

Why Choose Us as Your Square Stainless Steel Tube Supplier

As a factory-direct Square Stainless Steel Tube manufacturer, we understand what matters most to professional buyers and project managers.

    20+ Years Professional Manufacturing Experience

  • We are a factory—not a trading company—with strong production capacity.

    • Advanced Equipment

  • CNC forming, laser welding, cold drawing, automatic polishing lines.

    • Strict Quality Control (ISO + CE Certified)

  • Every tube is inspected for surface quality, thickness, straightness, and mechanical performance.
Tube carré en acier inoxydable

    Support OEM/ODM & Custom Fabrication

  • Cutting, drilling, bending, polishing, stamping, and more.

    • Competitive Factory Price

  • Direct manufacturing ensures the best cost advantage for distributors and contractors.

    • Fast Production & Global Shipping

  • Export to Europe, Southeast Asia, the Middle East, South America, and more.

Work With a Professional Square Stainless Steel Tube Factory

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Get a Quote

    We will reply you within 24 hours. If for urgent case, please add WhatsApp/WeChat: +86-15053272126,. Or call +86-13863636731 directly.

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    We will only use your information to respond to your inquiry and will never send unsolicited emails or promotional messages.

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    Nous vous répondrons dans les 24 heures. En cas d'urgence, veuillez ajouter WhatsApp/WeChat : +86-15053272126,. Ou appelez le +86-15053272126 directement.

    *Nous respectons votre confidentialité et toutes les informations sont protégées. Nous n'utiliserons vos informations que pour répondre à votre demande et n'enverrons jamais d'e-mails non sollicités ou de messages promotionnels.