Stainless Steel Rectangular Tube
High-Strength, Corrosion-Resistant Structural Profile for Industrial & Architectural Use
🔹 Product Overview
The 40×20mm stainless steel rectangular tube is a precision cold-formed hollow section widely used in construction, architectural decoration, furniture, handrails, and industrial equipment. With its sleek rectangular profile, excellent corrosion resistance, high strength-to-weight ratio, and modern aesthetic, this tube delivers both structural reliability and visual elegance.
Available in a range of wall thicknesses, grades, and surface finishes, the 40×20mm rectangular tube is ideal for applications requiring durability, clean appearance, and low maintenance in both indoor and outdoor environments.
✅ Also known as: Rectangular Hollow Section (RHS), stainless steel flat tube, structural stainless tube
🔹 Features & Benefits
Особенность | Выгода |
---|---|
Superior Corrosion Resistance | Ideal for humid, coastal, and outdoor environments — no rust or staining |
High Strength & Rigidity | Excellent load-bearing capacity, resists bending and deformation |
Smooth, Clean Surface | Easy to clean, hygienic, and visually modern — perfect for visible applications |
Weldable & Formable | Can be easily cut, bent, welded, and polished for custom fabrication |
Low Maintenance | No painting or coating required — retains appearance for decades |
Eco-Friendly & Recyclable | 100% recyclable, sustainable material for green building projects |
Aesthetic Versatility | Available in brushed, mirror, or PVD-coated finishes for luxury design |
🔹 Manufacturing Process
- Raw Material: High-quality cold-rolled stainless steel coil (SUS304/316)
- Forming: Precision roll forming into rectangular shape
- Welding: High-frequency (HF) or TIG welding with full penetration
- Sizing & Calibration: Ensures exact 40×20mm dimensions and straightness
- Annealing: Stress-relief annealing for improved ductility and toughness
- Surface Treatment: Pickling, polishing, or brushing to achieve desired finish
- Straightening & Cutting: To standard or custom lengths
- Inspection & Testing: Dimensional, visual, and weld integrity checks
🔹 Typical Applications
- Architectural & Decoration:
Wall cladding frames, door/window frames, curtain wall supports, column covers - Furniture & Interior Design:
Table and chair frames, cabinet structures, room dividers, display stands - Handrails & Guardrails:
Stair railings, balcony guards, walkway barriers, hospital rails - Industrial & Equipment:
Machine frames, conveyor supports, automation equipment structures - Transportation:
Automotive trim, high-speed train and subway interior components - Solar & Renewable Energy:
Solar panel mounting structures (SUS316 recommended for coastal areas)
🔹 Available Surface Finishes
Finish | Описание | Typical Use |
---|---|---|
2B | Cold-rolled, semi-gloss finish | Industrial structures, internal frames |
BA / 2BA | Bright annealed, high-gloss surface | Appliance trim, decorative base |
No.4 | #180–#320 grit mechanical brushing | Elevators, kitchens, handrails — most popular |
8K | Precision mirror polish | Luxury interiors, art installations |
PVD Coated | Gold, black, розовое золото, bronze, etc. | High-end décor, luxury furniture, hotels |
🔹 Packaging & Delivery
- Standard Packaging:
- Bundled with steel straps
- Plastic end caps (optional)
- Waterproof wrapping (plastic film or kraft paper)
- Secured on wooden pallets for container shipment
- Custom Packaging Options:
- Individual PE film wrapping
- Corner protectors (wood/plastic)
- Fumigated wooden crates for air/sea export
- MOQ: 1–5 metric tons (negotiable)
- Lead Time: 15–30 days after order confirmation
- Loading Ports: Shanghai, Tianjin, Qingdao, Ningbo (Китай)
- Shipping: FOB, CFR, CIF, DAP available
🔹 Why Choose Our 40×20mm Rectangular Tube?
✅ Precision Dimensional Control – Tight tolerances ensure easy assembly and fit
✅ Consistent Weld Quality – Smooth, defect-free welds for structural integrity
✅ Multiple Grades & Finishes – Custom solutions for diverse applications
✅ Competitive Pricing & Fast Lead Time – Direct factory supply, no middlemen
✅ Global Export Experience – Trusted by customers in EU, USA, Southeast Asia, Middle East, Australia
📥 Need More Information? We’re Here to Help!
- CAD drawings or 3D models (available on request)
- Free sample (small size, freight collect)
- PVD color card or finish samples
- Technical support for welding, bending, or installation guidance
📞 Contact us anyday for a competitive quote, product catalog, or sample!
📧 Email: sales@xlhsteel.com
🌐 Website: www.xinlihengsteel.com/