Handrail Stainless Steel Rectangular Tube Corrosion Resistant For Outdoor Coastal Use
The Handrail Stainless Steel Rectangular Pipe is specifically designed for railing and guardrail systems in commercial, industrial, and residential applications. Manufactured from high-quality austenitic stainless steel, this pipe offers excellent structural strength, corrosion resistance, and aesthetic appeal. Its rectangular profile provides a comfortable gripping surface, superior rigidity, and a modern, clean appearance. Available in multiple surface finishes from mill to mirror polish, these pipes meet international safety standards for handrail systems.
Product Specifications
| Parameter | Details |
|---|---|
| Standards | ASTM A554, EN 10219-2, JIS G3446 |
| Available Grades | 304, 304L, 316, 316L |
| Common Sizes (W × H) | 40×20mm, 50×25mm, 60×30mm, 80×40mm, 100×50mm |
| Wall Thickness | 1.2 mm – 3.0 mm |
| Length | 3m, 4m, 6m, or custom lengths |
| Manufacturing Process | Welded – TIG (GTAW) or ERW |
| Heat Treatment | Annealed after welding |
| Surface Finish | Brushed (180-320 grit), Polished (400-600 grit), Mirror, Mill finish |
| Corner Radius | Smooth radius for comfortable grip |
| End Finish | Plain ends, capped, or pre-drilled |
Chemical Composition (Typical Values, %)
| Grade | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| 304 | 0.08 | 0.75 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-10.5 | – |
| 304L | 0.03 | 0.75 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-12.0 | – |
| 316 | 0.08 | 0.75 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| 316L | 0.03 | 0.75 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
Mechanical Properties (at Room Temperature)
| Grade | Tensile Strength (MPa) min | Yield Strength (MPa) min | Elongation (%) min | Hardness (HRB) max |
|---|---|---|---|---|
| 304 | 515 | 205 | 35 | 92 |
| 304L | 485 | 170 | 35 | 92 |
| 316 | 515 | 205 | 35 | 95 |
| 316L | 485 | 170 | 35 | 95 |
Tested in accordance with ASTM E8 / E8M.
Standard Handrail Sizes
| Size (W×H mm) | Wall (mm) | Weight (kg/m) | Typical Application |
|---|---|---|---|
| 40 × 20 | 1.2 – 1.5 | 1.1 – 1.4 | Residential handrails |
| 50 × 25 | 1.5 – 2.0 | 1.7 – 2.2 | Commercial railings |
| 60 × 30 | 1.5 – 2.0 | 2.1 – 2.8 | Public buildings |
| 80 × 40 | 1.5 – 2.5 | 2.8 – 4.5 | Industrial guardrails |
| 100 × 50 | 2.0 – 3.0 | 4.6 – 6.7 | Heavy-duty barriers |
Surface Finish Options
| Finish | Grit | Appearance | Best For |
|---|---|---|---|
| Brushed / Satin | 180-240 | Directional grain, satin sheen | Most handrail applications |
| Fine Brushed | 320-400 | Fine grain, low reflectivity | Interior, high-end residential |
| Polished | 400-600 | Semi-reflective, smooth | Commercial lobbies, showrooms |
| Mirror | 800+ | Highly reflective | Luxury architecture |
| Mill Finish | As-welded | Dull, scale present | Industrial / temporary |
Key Features
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Comfortable Grip – Rectangular profile fits natural hand position
-
High Structural Strength – Resists bending and deflection under load
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Excellent Corrosion Resistance – Suitable for indoor and outdoor use
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Low Maintenance – Easy to clean; no painting required
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Aesthetic Appeal – Clean, modern appearance
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Weldable – Easy to join with standard TIG welding
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Fingerprint Resistant – Brushed finish minimizes visible marks
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Safety Compliant – Meets IBC and ADA handrail requirements
Applications
Commercial Buildings
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Office stair railings
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Corridor handrails
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Escalator and elevator guardrails
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Rooftop safety railings
Public Infrastructure
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Bridge railings
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Bus shelter handrails
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Subway platform guardrails
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Airport terminal railings
Industrial Facilities
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Platform guardrails
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Mezzanine safety railings
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Walkway handrails
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Loading dock barriers
Residential
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Staircase handrails
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Balcony railings
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Deck and patio guardrails
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Swimming pool handrails
Hospitality
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Hotel staircase railings
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Restaurant terrace barriers
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Resort walkway handrails
Safety Compliance
| Standard | Requirement |
|---|---|
| IBC | 42″ minimum height; 1.5″-2″ gripping diameter |
| OSHA | 42″ ± 3″ height; 200 lb load capacity |
| ADA | 1.25″-1.5″ gripping diameter; smooth surface |
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