Leading Manufacturer Of Stainless Steel Architectural Hardware

304 stainless steel round tube factory

AISI 304 Stainless Steel Round Tube

We are a professional supplier of 304 stainless steel round tubes. If you are looking for a trustworthy manufacturer, then we are your ideal partner!

Our AISI 304 decorative stainless steel round tubes are made of genuine materials and come with factory testing certificates, ensuring rust and corrosion resistance. They have a smooth and attractive surface, are easy to weld and bend, and are suitable for various decorative applications such as railings, curtain walls, and furniture. The outer diameter and wall thickness can be customized to your needs, making them the best choice for decorative tubing!

How To Ensure That The Stainless Steel Round Tube Is Made of Genuine AISI 304 Material

AISI 304 is a widely used austenitic stainless steel world wide. It contains 18-20% chromium and 8-10.5% nickel.


As a professional manufacturer, we can provide you with a guarantee! Before shipping each batch of goods, we will issue a formal material testing certificate (MTC), and all stainless steel tubes are stamped with “304” steel stamp.

Material test certificate of 304 stainless steel round tube
304 stainless steel round tube with steel stamp

The Size And Thickness of 304 Stainless Steel Round Tube

Our 304 stainless steel round tubes come in a full range of specifications.

1. Standard outer diameters: 5mm-325mm

2. Standard wall thicknesses: 0.3mm-5.0mm

3. Standard lengths: 5800mm/6000mm/6100mm.


Please note: 5800mm Stainless steel round tube can be loaded into 20ft containers, If you order 6000mm or 6100mm lengths, it can only be loaded into 40ft containers.

These standard specifications should meet the needs of most of your projects. We can also provide customization services for outer diameter, thickness, and length. Below is our standard size chart.

Outer Diameter of 304 Stainless Steel Round Tube (Thickness 0.3MM-5.0MM)
Φ5Φ6Φ8Φ9Φ10
Φ12Φ12.7Φ16Φ19Φ22
Φ25Φ25.4Φ28Φ30Φ31.8
Φ34Φ35Φ38.1Φ40Φ41.3
Φ42Φ45Φ48Φ48.3Φ48
Φ50.8Φ51Φ55Φ57Φ60
Φ63.5Φ68Φ70Φ72Φ76.2
Φ80Φ82Φ84Φ85Φ87
Φ89Φ92Φ94Φ95Φ98
Φ100Φ102Φ105Φ108Φ110
Φ114Φ120Φ127Φ133Φ141
Φ150Φ152Φ159Φ168Φ180
Φ191Φ200Φ204Φ219Φ254
Φ273Φ325
Inventory of 304 stainless steel round tube
The thickness of the 304 stainless steel round tube
Customized length of 304 stainless steel round tube

Select The Surface Treatment You Need for Your 304 Stainless Steel Round Tube Here.

Our 304 stainless steel round tubes offer a wide range of surface treatments, including brushed(180/240/320 grit), mirror polished(400/600/800 grit), colored coating processes such as PVD gold and PVD rose gold, and powder coating (matte black)


We have strict process control over every finish, so our products will have a smooth and flawless surface. This will perfectly match your aesthetic and texture needs for any decorating style.

mirror polished 304 stainless steel round tube

Mirror Polished

We can produce 304 stainless steel round tubes with 400/600/800 mirror polishing. The bright surface is like a mirror, with clear reflection and no pits or scratches on the surface.

welded 304 stainless steel round tube astm a554

Brushed & Satin

For this brushed/satin finish, we offer 180/240/320 grit options. As you can see, our stainless steel tubes have a smooth, hairline finish without any impurities or breaks, giving them a particularly natural texture.

PVD Gold 304 stainless steel round tube

PVD Coating

This is our PVD coating process. We can process colors like gold and rose gold. The advantages are a strong, non-peeling coating that is accurate in color, wear-resistant, and does not fade.

Matt black 304 stainless steel round tube

Powder Coating

If you require a matte black stainless steel tube, our powder coating process can meet your needs. Our process creates a smooth matte finish while providing excellent everyday scratch resistance.

Applications of 304 Stainless Steel Round Tubes

304 stainless steel railing

Building Decoration Engineering

If you are looking for suitable 304 stainless steel round tubes for building railings, handrails, curtain wall frames, posts, etc., our tubes are rust-resistant, corrosion-resistant, and have a good surface texture. We can also customize specifications and surface treatments according to your needs, perfectly matching the decorative and practical needs of home and commercial projects!

304 stainless steel furniture

Furniture Customization

It’s a great choice for furniture fittings. If you require custom-made light luxury furniture, display racks, storage shelves, decorative sideboards, etc., our 304 stainless steel round tubes are welded and bent without deformation, have excellent workability, and offer various surface treatments to match different furniture styles. From small to large sizes, all can be customized, ensuring your furniture is both aesthetically pleasing and high-quality!

commercial 304 stainless steel partition

Commercial Space Design

Our 304 stainless steel round tubes are suitable for creating sophisticated interior designs, metal partitions, wall trim, and display frames, ideal for shopping malls, hotels, exhibition halls, and clubs. Even in bulk, our tubes offer consistent quality control, superior aesthetics, and unwavering quality, adding a touch of luxury and sophistication to your commercial spaces.

304 stainless steel outdoor guardrail

Municipal Landscape Facilities

For outdoor railings, landscape design, bus stop decorations, park recreational facilities, etc., you can choose our 304 stainless steel round tubes. They have excellent weather resistance, are not easy to rust or deform, are available in a full range of sizes, and can be customized. They combine the durability of outdoor use with the aesthetic appeal of landscaping!

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