Stainless Steel Square Tube
Yunming Metal’s Stainless Steel Square Tubes offer precise dimensions, smooth finishes, and excellent corrosion resistance—ideal for structural and decorative applications.
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Product Overview
Yunming Metal’s Stainless Steel Square Tubes are manufactured using precision forming and welding techniques, offering excellent corrosion resistance, smooth surface finishes, and consistent dimensions. These square-profile tubes are ideal for structural, architectural, and decorative applications where both strength and appearance are required.
Available in a wide range of sizes, thicknesses, and surface finishes, our square tubes are suitable for interior and exterior use across construction, machinery, and design industries.
Application Areas
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Architectural and structural frameworks
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Railings, gates, fences, and balcony systems
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Machine frames and support structures
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Furniture manufacturing and decorative fixtures
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Automotive and trailer fabrication
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General industrial and mechanical applications
Product Features
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Uniform square cross-section with precise dimensions
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Excellent corrosion resistance in indoor and outdoor environments
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Available in polished and brushed surface finishes
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Easy to cut, weld, drill, and fabricate
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Lightweight yet strong, ideal for both functional and aesthetic use
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Wide range of grades and customizable sizes available
Technical Specifications
| Item | Description |
|---|---|
| Material Grades | 201, 304, 304L, 316, 316L, 430, etc. |
| Outer Dimensions | 10mm × 10mm – 200mm × 200mm (approx. 3/8″ × 3/8″ – 8″ × 8″) |
| Wall Thickness Range | 0.6mm – 10mm (approx. 1/32″ – 13/32″) |
| Length | 6 meters (approx. 19′ 8″) or customized |
| Surface Finish | 2B, BA, Mirror, Satin, Hairline, etc. |
| Manufacturing Standards | ASTM A554, EN 10219, DIN 2395, GB/T 18705, etc. |
Manufacturing Process
Our stainless steel square tubes are produced through a high-precision forming and welding process to ensure strength, appearance, and dimensional consistency:
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Slitting stainless steel coils to required widths
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Forming into square shapes using roller forming techniques
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High-frequency or TIG welding to create strong seams
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Seam polishing and heat treatment (if required)
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Surface finishing: mirror polishing, satin brushing, or hairline treatment
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Final sizing, straightening, and quality inspection
Frequently Asked Questions (FAQ)
Q1: What is the difference between square and rectangular tubes?
A1: Square tubes have equal width and height, while rectangular tubes have unequal sides. Square tubes are often preferred for symmetrical and balanced structures.
Q2: Are these square tubes suitable for outdoor use?
A2: Yes, especially grades like 304 and 316 are corrosion-resistant and suitable for outdoor and coastal environments.
Q3: Can I request specific sizes not listed?
A3: Absolutely. We offer customization in size, thickness, and finish according to your project needs.
Q4: Do you offer mirror-polished square tubes for decorative applications?
A4: Yes, we provide mirror and satin finishes commonly used in decorative and architectural designs.
Q5: Are your tubes compliant with international standards?
A5: All our square tubes are manufactured to ASTM, EN, or DIN standards, with mill test certificates available upon request.
Still Have Questions?
Contact us for detailed specifications or to request a quote. Yunming Metal provides high-quality square tubing solutions for architectural, structural, and industrial projects.
