Stainless Sq / Rect Tube

Stainless Steel Square & Rectangular Tube | 304 & 316 Grade

Stainless Steel Square and Rectangular Tubes are high-quality structural tubes made from corrosion-resistant stainless steel, offering exceptional durability, strength, and aesthetic appeal. These tubes are manufactured using advanced forming and precision cutting processes to ensure uniform wall thickness, smooth surfaces, and consistent mechanical properties. Their corrosion resistance makes them ideal for both indoor and outdoor applications, including exposure to humid or corrosive environments.

Stainless steel square and rectangular tubes are widely used in construction, architectural structures, industrial machinery, furniture, automotive, and energy projects. In construction, they are applied as frames, supports, handrails, decorative structures, and load-bearing elements, providing long-lasting strength and visual appeal. The smooth surface and metallic sheen of stainless steel also make these tubes suitable for interior design, furniture, and decorative architectural projects.

In industrial machinery and automotive applications, stainless steel tubes are valued for their mechanical reliability, dimensional precision, and resistance to wear, rust, and chemical exposure. They are often used for equipment frames, pipelines, exhaust systems, storage structures, and custom-fabricated components. The combination of strength, corrosion resistance, and aesthetic quality ensures that stainless steel square and rectangular tubes meet the requirements of demanding engineering and architectural projects.

product details

Key Features

Corrosion Resistance
Excellent resistance to rust, chemical exposure, and environmental conditions.

High Strength and Durability
Maintains structural integrity under heavy loads.

Aesthetic Appeal
Smooth surface and metallic sheen ideal for architectural and decorative applications.

Precision and Consistency
Uniform wall thickness and dimensional accuracy for engineering reliability.

Versatile Applications
Suitable for construction, industrial machinery, automotive, furniture, and energy projects.

Technical Specifications

Product	Stainless Steel Square / Rectangular Tube
Material	Stainless Steel
Steel Grades	201 / 304 / 304L / 316 / 316L, etc.
Surface Finish	Polished / Brushed / Mirrored / Pickled
Standards	ASTM A554 / ASTM A312, etc.

Available Sizes

Below is an overview of our regular production sizes for your reference. Customized dimensions and special standards are also available :

OUTSIDE DIA.	THICKNESS	OUTSIDE DIA.	THICKNESS	OUTSIDE DIA.	THICKNESS	LENGTH RANGE
mm	mm	mm	mm	mm	mm	m
∅9.5	0.25-0.9	∅25.4	0.25-2.4	∅76.2	0.4-2.9	0.1-12m
∅12.7	0.25-0.9	∅31.8	0.3-2.4	∅89	0.4-2.9
∅15.9	0.25-1.4	∅38.1	0.3-2.4	∅101.6	0.6-2.9
∅19.1	0.25-1.4	∅50.8	0.4-2.9	∅108	0.7-2.9
∅22.2	0.25-1.9	∅63.5	0.4-2.9	∅114	0.7-2.9
10x10	0.25-0.9	30x30	0.3-2.4	60x60	0.5-2.9
12x12	0.25-0.9	38x25	0.3-2.4	75x45	0.5-2.9
15x15	0.25-1.1	38x38	0.35-2.4	80x40	0.6-2.9
19x19	0.25-1.9	40x20	0.4-2.4	80x80	0.6-2.9
20x10	0.25-2.4	40x40	0.4-2.4	95x45	0.6-2.9
22x22	0.25-2.4	50x25	0.4-2.4	100x50	0.7-2.9
25x13	0.25-2.4	50x50	0.4-2.9	100x100	0.7-2.9
25x25	0.3-2.4	60x30	0.4-2.9
30x15	0.3-2.4	60x40	0.5-2.9
If you require other sizes, wall thicknesses, or specific material grades not listed above, please contact us directly for tailored solutions.

Applications

Construction & Architectural Projects
Used for frames, supports, handrails, decorative structures, and load-bearing components. Their corrosion resistance and clean appearance make them suitable for both indoor and outdoor architectural use.

Industrial Machinery & Equipment Fabrication
Applied in equipment frames, processing pipelines, structural housings, and custom-engineered parts where dimensional precision and long-term mechanical reliability are required.

Automotive & Transportation Systems
Utilized in exhaust systems, fuel system structures, protective frames, and fabricated components that must resist high temperatures, vibration, and corrosive exposure.

Furniture, Interior Design & Decorative Applications
Favored for furniture frames, interior structures, and decorative elements due to their smooth surface, visual appeal, and ease of fabrication.

Energy, Marine & Chemical Environments
Suitable for water treatment systems, marine frameworks, chemical processing lines, and other projects exposed to moisture, salt, or corrosive environments, ensuring durable and stable performance.

Product Inspection

Our steel products undergo comprehensive inspection before delivery to ensure quality and compliance with international standards. Inspections include dimensional measurements such as length, diameter, wall thickness, and width, as well as surface quality and overall appearance. Mechanical properties and chemical composition can also be tested according to customer requirements.