Skip to content
Home » Stainless Steel Pipe » Stainless Steel Square Tube

Stainless Steel Square Tube

    Stainless Steel Square Tube is a kind of stainless steel profile with rectangular and square hollow section, which is used in construction, machinery manufacturing, ship building, hardware, steel structure engineering and other industries with the advantages of corrosion resistance, high temperature resistance, high strength, etc., so it is widely used in industrial and civil fields.

    SS square pipe is also named stainless steel hollow section or box section. It made from stainless steel 304 and 316L is easy to handle and process due to the box section and smooth surface. We offer a wide range of sizes and wall thicknesses to meet the requirements of different applications. Stainless steel rectangular tubes can be used in construction, railings, furniture and even mechanical engineering.

    SS square tube

    Kaysuns mainly provides stainless steel welded square tubes, also can provide seamless rectangular tubes based on customers’ requirement. The common materials for stainless steel square tubes are 304 and 316L.

    For regular sizes, we can supply in small quantities. For non-conventional materials such as SS 321, 316Ti, 317, 347, 904L, etc., there is usually a certain MOQ requirement due to raw material limitation.

    Common Dimension in Stock

    We have stainless steel squar tube in stock, this gives us a good flexibility when it comes to small orders. This gives us good flexibility when it comes to small orders. Please don't hesitate to contact us for any of your needs.

    Stainless Steel Square Tube Supplier

    As a professional supplier of stainless steel tube in China, we have more than 10 years for the supplying of stainless steel square tube and rectangular tube. The stock tube is mainly to ASTM A554 and GB/T 12770, the material is SS 304, 316L etc.


    We supply stainless steel square tube and hollow section to ASTM A554,  GB/T 12770, JIS G3446, EN /DIN etc.


    Stainless steel 304, 316L, EN 1.4301, 1.4404 etc. For other grades, we do it upon the requirement.


    The dimension of SS square tube is from 20 x 20 to 400 x 400,  the customized size is available.

    Surface Finish

    01. Mill Finish
    The stainless steel square tube is welded, the mill finish is without pickled, so there will be obvious welding line on the surface of the pipe.
    02. Pickled Surface
    After the manufactured, the tube will finally be pickled and passivated with a clean surface.It is more suitable for use in building installation and so on.
    03. Polished Surface
    The surface finish is polished to grit #180, #240, #320 etc, it can be hair line or mirror polished. Polished SS square tube is mainly for architectural decoration or food equipment.
    Previous slide
    Next slide

    We will reply you in 24 hours. Thank you!


    Welcome to contact us

    Supplying of Stainless & Alloy Piping Material

    • Need an offer ?
    • Want to know the dimension / catalog ?
    • Talk about the technical issues ?

    Feel free to contact us, and we will be more than happy to answer all of your questions.

    Get a Free Quote Now


    Get a free Quote now

    Do you want to learn more? Contact us

    We will reply you in 24 hours. Thank you!