Whether you need a length of 3mm steel tube for use on a home project or even to carry out work on a larger site, then we have exactly what you are looking for. There are so many different options to choose from where you can purchase your steel tubes and best deals on high quality products that will meet your requirements. Choose Whether you are an average DIY’er or a heavy duty constructor get the job done right with Kunyu. Explore our selection of Galvanized seamless pipe round tube for excellent corrosion resistance and durability. For related structural components, you might also want to browse our Galvanized steel tube Gi seamless square pipe range, which complements tubular steel products perfectly. Our website also features a comprehensive array of Steel Profiles, ideal for various construction needs. Additionally, for specialized applications requiring durable and versatile components, explore our Steel angle products, which provide excellent support in many structural projects. For projects requiring strong structural beams, consider our I-Beam selection to enhance your build's stability. We also recommend checking out our quality Steel Coils that can be used in conjunction with steel tubes for manufacturing purposes. For additional versatility, our Steel Wire collection can complement your project needs perfectly. Our extensive catalog even includes Long Steel Products, which are ideal for extended structural applications alongside steel tubes.
If you are considering a 3mm steel tube as your next material, here are few simple reminders. First, you’ll need to decide what size and length tube is right for your setup. Be sure to measure and order a proper fit for your project. Do bear in mind that you should also take into account what kind of steel it is – stainless or carbon, or some other alloy. For specialized applications, consider exploring our Steel Wire options that offer excellent corrosion resistance and durability, complementing tubular steel components. Additionally, we offer a variety of products that offer excellent corrosion resistance and durability, complementing tubular steel components. Additionally, we offer a variety of Steel Wire options to meet different industrial needs. For projects that require both steel tubes and wire products, our Steel Wire collection perfectly complements the tubular steel selections offered. It’s also worth noting that our Long Steel Products can be combined with steel tubes for enhanced structural solutions. Our collection also complements these products, providing additional options for manufacturing needs.
Then consider how the steel tube will be used. Does it get exposed harsh weather or corrosive substances? If yes, Then you probably should buy a martin house with stainless steel tube to eliminate the issues of rust and corrosion. If, however, you just require a tube for mechanical use and/or an application that can provide support, carbon steel may be preferable and more affordable. Additionally, our range of Steel channel offers versatile options for construction and industrial usage. For more specialized structural tubing, you can also check out our which offers strength and durability for mechanical applications. To complement these, you might also consider our Carbon square pipe seamless tube for applications requiring enhanced strength and corrosion resistance. Our extensive selection of Steel Pipes also provides additional options for various uses in construction and industry.
And, last but not least, be sure to take your budget into account. At Kunyu we have market leading low pricing on all our steel tubes - so you can purchase a great product while keeping in your budget. Keeping these factors in mind is going to make it easier for you to select your ideal 3mm steel tube. Depend on Kunyu for all of your steel tube needs - we’ve got you covered! Also, explore our quality Carbon Steel Wire Black Rod for complementary structural solutions.

3mm steel tube can be used for many applications. In construction, they promote the structural applications as building elements (in the form of a tubular). They are also employed in the construction of staircases and railings because they are hard-wearing. Application In industry, 3mm steel tubes are widely used for furniture pieces and many kinds of equipment such them as in cars. They are a universal type of belt used in many different sectors. For enhanced durability in outdoor applications, consider using galvanized options such as our Carbon square pipe seamless tube which offer excellent resistance to corrosion and wear. For other complementary long-lasting structural components, check out our wide range of Galvanized corrugated sheets color coated roofing sheets. Additionally, our wide range of Steel Plates can provide essential support and durability in various construction projects.

1.What is your term of delivery9 AWe accept FOB, CIF etc.You can choose the one which is the most convenient or cost effective for you.2. Can I have a free sample for value9 AYes, we can provide free sample to test and check quality, however, the freight not on our account.3.Could you special design and produce for me 9 ASure,we have experience of special design team and professional production team.$LANGUAGE$ Are you interested in transaction C omprehensive businessCSTKM13A CS38 AG380 CST55 ST45 Semiconductor Application coil pipe & Coating pipe Deformed tube Lock hinge forging casting Please click here!_ofilm_G4025 (3). Kunyu supplies an extensive range of high-quality 3mm thick steel tubes, available in standard and customized sizes to suit the demands of differing building and manufacturing applications. Having been well received and appreciated among the customers for its excellent customer sevice, faster delivery as well as original quality goods, Kunyu makes every effort to provide the best service and reasserts customers that receiving orders is prompt! Contact us whether you are seeking small orders for personal DIY use or require a bulk order on an industrial scale as Kunyu will always provide professional services and products.
We maintain strategic partnerships with major domestic and international steel mills, operate port warehouses, and implement professional warehouse management to ensure timely, secure, and competitively priced supply worldwide.
Based near Tianjin Port—Northern China’s largest comprehensive port—we leverage strong logistics networks to provide efficient and cost-effective shipping solutions to 200+ countries and 800+ global ports.
We combine over 15 years of steel pipe manufacturing experience with professional international trading, offering a seamless supply chain from production to global delivery.
Our factory produces a wide range of high-quality steel pipes including carbon steel, galvanized, anti-corrosion, and seamless pipes, supported by dedicated technical teams to meet specialized client needs.