Product Overview
Stainless Steel Square Pipe, also known as stainless steel square tube, is a hollow structural section with a square cross-section, widely used in construction, industrial fabrication, machinery manufacturing, and architectural applications. Manufactured from high-quality stainless steel, square pipes offer excellent corrosion resistance, high strength, and a clean, modern appearance.
As a professional stainless steel square pipe manufacturer and supplier, Ganyeah Group provides a full range of square stainless steel pipes with precise dimensions, smooth surface finishes, and stable mechanical performance to meet both structural and decorative requirements.

Stainless Steel Square Pipes
Manufacturing Process
Ganyeah stainless steel square pipes are produced through advanced forming and welding processes:
1.Stainless steel strip forming into square shape
2.High-frequency welding (ERW)
3.Weld seam online inspection
4.Solution annealing or stress relief (if required)
5.Straightening and sizing
6.Surface treatment and final inspection
This process ensures uniform wall thickness, strong weld seams, and excellent dimensional accuracy.
Available Material Grades
Our stainless steel square pipes are available in various grades, including:
304 / 304L – General-purpose, good corrosion resistance
316 / 316L – Enhanced corrosion resistance for marine and chemical environments
201 / 202 – Cost-effective option for decorative use
321 / 310S – High-temperature resistance (upon request)
Duplex Stainless Steel – High strength and corrosion resistance (optional)
Product Advantages
Excellent Corrosion Resistance – Suitable for indoor and outdoor applications
High Structural Strength – Ideal for load-bearing and framework use
Clean & Modern Appearance – Widely used in architectural and decorative projects
Easy Fabrication – Good weldability, cutting, and forming performance
Customizable Sizes – Tailored to specific project requirements
Technical Specifications
Product Name: Stainless Steel Square Pipe / Stainless Steel Square Tube
Manufacturing Method: ERW Welded
Shape: Square
Standard: ASTM A554, ASTM A312 (structural use), EN 10296, JIS G3446
Size Range:
Side Length: Customized
Wall Thickness: Customized
Length: 6 meters, 12 meters, or customized
Surface Finish:
Polished (Mirror / Satin)
Pickled & Passivated
Brushed / Hairline
End Type: Plain End
Applications of Stainless Steel Square Pipes
Stainless steel square pipes are widely used in:
Building and construction frameworks
Architectural decoration and handrails
Industrial equipment and machinery
Furniture manufacturing
Structural supports and frames
Food processing and clean environments
Standards & Quality Control
All stainless steel square pipes are manufactured under strict quality control and can be supplied with:
Chemical composition testing
Mechanical property testing
Weld seam inspection
Dimensional and surface inspection
ISO 9001 quality management compliance
Third-party inspection (SGS, TUV, BV) is available upon request.
Why Choose Ganyeah Group?
Over 15 years of stainless steel pipe manufacturing experience
Stable production capacity and consistent quality
Wide range of stainless steel grades and sizes
Competitive pricing with reliable delivery
Professional technical and export support
Contact Us
If you are looking for a reliable stainless steel square pipe supplier, contact Ganyeah Group today. Our team is ready to provide technical support, customized solutions, and fast quotations for your projects.


