{"id":15697,"date":"2022-07-20T15:36:01","date_gmt":"2022-07-20T15:36:01","guid":{"rendered":"https:\/\/www.smetals.co.uk\/?post_type=product&#038;p=15697"},"modified":"2026-07-07T11:24:29","modified_gmt":"2026-07-07T11:24:29","slug":"80mm-x-80mm-x-3mm-mild-steel-section-square-metal-tube","status":"publish","type":"product","link":"https:\/\/www.smetals.co.uk\/product\/80mm-x-80mm-x-3mm-mild-steel-section-square-metal-tube\/","title":{"rendered":"80mm x 80mm x 3mm Mild Steel Section Square Metal Tube"},"content":{"rendered":"<h2>80 x 3mm Steel Square Metal Tube<\/h2>\n<p>Speciality Metals is one of the leading suppliers of mild steel square metal tube in the United Kingdom. Additionally, in addition to stocking only the best products, we provide the most helpful customer service by providing bespoke cutting and fast shipping.<\/p>\n<p>Box sections, also known as mild steel hollow sections or ERW tubes, are widely used in a variety of applications. The durability of this material permits it to be used for a wide range of applications, including traffic signs, pipeline construction, automobile repair and as a structural steel.<\/p>\n<p>When it comes to choosing materials for your project, the 80mm x 80mm x 3mm Mild Steel Section Square Metal Tube by Speciality Metals is an excellent option to consider. Not only is it available in various lengths, but it also boasts durability, versatility and cost-effectiveness. This recyclable material is popular among builders, engineers and manufacturers for its excellent welding, forming, bending and machining abilities. Its unique shape makes it ideal for building frames, furniture and structures that require a sturdy, square base. With its long-lasting properties and robust nature, this square metal tube is an excellent choice for projects that require strength, stability and longevity.<\/p>\n<h2>Mild Steel<\/h2>\n<p>Mild steel square tube box section is a quality strong metal product. However it is not rust proof and may do so over time. Please use galvanised or stainless steel if you need resistance to rust. If this metal tube does show signs off rust then simply get this off with WD40 or fine sanding.<\/p>\n<ul>\n<li><strong>Bending &amp; Forming \u2013 Fair. You could only bend this tubing with bending tools but not by hand<\/strong><\/li>\n<li><strong>Corrosion Resistance \u2013 Poor. Mild steel is uncoated, so there is no additional protection against corrosion<\/strong><\/li>\n<li><strong>Machining &amp; Grinding \u2013 Good. Mild steel is the metal choice for many forms of machining and grinding, but stainless steel can also offer good results<\/strong><\/li>\n<li><strong>Welding \u2013 Excellent. You could easily weld with this tubing to suit your requirements<\/strong><\/li>\n<li><strong>Painting \u2013 Good. We suggest that a mild steel product is always used when a layer of paint needs to be applied. Galvanised and stainless steel will not take paint<\/strong><\/li>\n<li><strong>Wear Resistance \u2013 Fair. As there is no protective layer, we suggest stainless steel or galvanised steel if you require a stronger wear resistance<\/strong><\/li>\n<\/ul>\n<p>The grade of plain steel that we have available has mechanical properties that provide excellent machinability, formability and weldability. Mild steel can be welded and it is also suitable for painting. Mild steel is a magnetic grade of metal. Magnets will stick to this sheet but it is not itself a magnet.<\/p>\n<p>Key information:<\/p>\n<ul>\n<li><strong>Shape \u2013 Square Box Section<\/strong><\/li>\n<li><strong>Grade \u2013 S235JRH<\/strong><\/li>\n<li><strong>Hot or Cold Rolled \u2013 Cold Rolled<\/strong><\/li>\n<li><strong> Box Outer Size &#8211; 80 x 80<\/strong><strong>mm<\/strong><\/li>\n<li><strong>Wall Thickness \u2013 3mm<\/strong><\/li>\n<\/ul>\n<p>We also carry a wide range of mild steel\u00a0<a href=\"https:\/\/www.smetals.co.uk\/product-category\/sheet-metal\/mild-steel-plate-cut-to-size\/\" target=\"_blank\" rel=\"noopener noreferrer\">sheet metal<\/a>,\u00a0<a href=\"https:\/\/www.smetals.co.uk\/product\/mild-steel-angle-iron-steel-section-20-60mm-width-3-6mm-thick\/\" target=\"_blank\" rel=\"noopener noreferrer\">angle iron\u00a0<\/a>and\u00a0<a href=\"https:\/\/www.smetals.co.uk\/product\/mild-steel-flat-bar-steel-strip\/\" target=\"_blank\" rel=\"noopener noreferrer\">flat bar.<\/a><\/p>\n<h4>Why Choose Speciality Metals<\/h4>\n<p>Speciality Metals is known to be the United Kingdom\u2019s best up-and-coming small-quantity metal company.<\/p>\n<ul>\n<li><strong>FREE UK delivery on all orders<\/strong><\/li>\n<li><strong>Order dispatch within 24 hours of order<\/strong><\/li>\n<li><strong>Located in Warrington, UK which is the UK home of mesh and metals<\/strong><\/li>\n<li><strong>Our experienced staff are experts in the mesh market and care personally about your customer experience<\/strong><\/li>\n<\/ul>\n<p>Furthermore we stock a vast range of <a href=\"https:\/\/www.smetals.co.uk\/product-category\/tube\/\"><strong>round tube<\/strong><\/a> options that compliment our mesh range perfectly.<\/p>\n<p>Over 50,000 customers of Specialty Metals are provided with fast, friendly customer service every year. We\u2019re the place to try when you need metal of any shape and size. We\u2019re based in Warrington, UK. We pride ourselves on our rapid turnaround and a large range of options.<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<h4>FAQs About This Product<\/h4>\n<div class=\"group w-full text-gray-800 dark:text-gray-100 border-b border-black\/10 dark:border-gray-900\/50 bg-gray-50 dark:bg-[#444654]\">\n<div class=\"flex p-4 gap-4 text-base md:gap-6 md:max-w-2xl lg:max-w-[38rem] xl:max-w-3xl md:py-6 lg:px-0 m-auto\">\n<div class=\"relative flex w-[calc(100%-50px)] flex-col gap-1 md:gap-3 lg:w-[calc(100%-115px)]\">\n<div class=\"flex flex-grow flex-col gap-3\">\n<div class=\"min-h-[20px] flex flex-col items-start gap-4 whitespace-pre-wrap break-words\">\n<h2>How do you Store Mild Steel Square Metal Tube?<\/h2>\n<ol>\n<li>\n<p><strong>Clean Environment:<\/strong> Before storing, ensure that the tubes are free from dirt, grease and any other contaminants. A clean storage environment prevents the accumulation of moisture and other substances that can promote rusting.<\/p>\n<\/li>\n<li>\n<p><strong>Rack Storage:<\/strong> Ideally, mild steel tubes should be stored on racks, keeping them off the ground. This allows air to circulate around the tubes, reducing the chance of moisture build-up. Racks also make it easier to organise and access tubes of different sizes.<\/p>\n<\/li>\n<li>\n<p><strong>Dry Surroundings:<\/strong> The storage area should be dry and well-ventilated. Moist environments can cause the steel to corrode. If you&#8217;re in a region with high humidity, consider using dehumidifiers or storing the tubes inside an enclosed space with controlled humidity.<\/p>\n<\/li>\n<li>\n<p><strong>Stacking and Support:<\/strong> If stacking the tubes, ensure they are supported adequately to prevent bending or deformation. Using wooden or metal spacers between stacks can help distribute weight evenly.<\/p>\n<\/li>\n<li>\n<p><strong>Protection from the Elements:<\/strong> If stored outside, tubes should be covered with a waterproof tarp or canopy to protect against rain and direct sunlight. Direct exposure to elements can accelerate corrosion.<\/p>\n<\/li>\n<li>\n<p><strong>Avoid Contact with Corrosive Substances:<\/strong> Store away from chemicals or other materials that can corrode the steel. Also, if tubes are stored near other metals, ensure there&#8217;s no risk of galvanic corrosion (a type of corrosion that occurs when two different metals come into contact in the presence of an electrolyte).<\/p>\n<\/li>\n<li>\n<p><strong>Regular Inspection:<\/strong> Periodically inspect the stored tubes for any signs of rust or damage. If any corrosion is spotted, consider moving them to a drier location or addressing the moisture issue in the storage area.<\/p>\n<\/li>\n<li>\n<p><strong>Long-term Storage:<\/strong> For tubes that will be stored for an extended period, consider using rust inhibitors or protective coatings to provide additional protection against corrosion.<\/p>\n<\/li>\n<li>\n<p><strong>Safety Considerations:<\/strong> Ensure that the storage area is free from trip hazards and that tubes are securely stored to prevent them from falling or rolling, which could pose a danger.<\/p>\n<\/li>\n<li>\n<p><strong>Inventory Management:<\/strong> Label and organise tubes according to size, type or other relevant factors. This will make it easier to locate specific tubes and track inventory levels.<\/p>\n<\/li>\n<\/ol>\n<h2>How does Square Metal Tube Handle Seismic Activities?<\/h2>\n<p>The ability of square metal tubes, particularly those made of mild steel, to handle seismic activities is an essential consideration in construction, especially in earthquake-prone areas. Mild steel&#8217;s inherent ductility allows it to absorb and dissipate energy effectively, making it particularly suitable for seismic applications.<\/p>\n<p>In seismic events, structures are subjected to dynamic loads that can induce both lateral and vertical forces. Square metal tubes, when designed and connected correctly, can provide significant resistance to these forces. Their geometric shape distributes loads uniformly and ensures that the stress is spread out evenly, minimising the chances of buckling or structural failure.<\/p>\n<p>Furthermore, the connections between these tubes play a crucial role in their seismic performance. Welded and bolted connections, when done right, ensure that the structure behaves as a cohesive unit, moving together during an earthquake. This unified movement prevents localised failures that can lead to a domino effect in larger structures.<\/p>\n<p>The hollow nature of the square metal tubes also means they have a high strength-to-weight ratio. This is beneficial in seismic design since lighter structures tend to perform better during earthquakes due to having lower inertia forces acting upon them.<\/p>\n<h2>Are There Coatings that can Make Square Metal Tube More Aesthetically Pleasing?<\/h2>\n<p>Yes, there are various coatings available that can not only enhance the appearance of square metal tubes but also provide added protection against environmental factors.\u00a0<\/p>\n<ol>\n<li>\n<p><strong>Paint:<\/strong> One of the most straightforward options, paint can be applied to square metal tubes in almost any color or finish, from matte to high-gloss. Before painting, the surface should be prepared by cleaning and possibly priming to ensure good adhesion and longevity.<\/p>\n<\/li>\n<li>\n<p><strong>Powder Coating:<\/strong> This is a dry finishing process that provides a very durable and aesthetically pleasing surface. Powder coating involves applying a dry powder to the metal and then curing it under heat, resulting in a smooth and uniform layer that&#8217;s resistant to scratching, chipping and fading.<\/p>\n<\/li>\n<li>\n<p><strong>Galvanisation:<\/strong> While primarily used for its anti-corrosive properties, galvanised steel also has a distinctive shiny, silver appearance that some find appealing, especially in industrial or rustic design contexts.<\/p>\n<\/li>\n<li>\n<p><strong>Chrome or Nickel Plating:<\/strong> These processes involve applying a thin layer of chrome or nickel to the surface of the metal. The result is a highly reflective, mirror-like finish, popular for certain decorative or design-focused applications.<\/p>\n<\/li>\n<li>\n<p><strong>Anodising (for Aluminum Tubes):<\/strong> Anodising is a process that increases the thickness of the natural oxide layer on the surface of metal parts, giving them a durable, corrosion-resistant finish. It can also introduce color to the aluminum, resulting in a wide array of decorative options.<\/p>\n<\/li>\n<li>\n<p><strong>Patina or Oxidised Finish:<\/strong> For those seeking a vintage or aged look, certain chemical treatments can induce a controlled oxidization process, giving the metal tube a patina or weathered appearance.<\/p>\n<\/li>\n<li>\n<p><strong>Vinyl Wraps:<\/strong> Just like vehicles can be wrapped in vinyl for advertising or customisation purposes, metal tubes can also be wrapped in vinyl films of various colors, patterns, or designs. This not only changes the appearance but also offers a degree of surface protection.<\/p>\n<\/li>\n<li>\n<p><strong>Decorative Films or Laminates:<\/strong> Similar to vinyl wraps, decorative films or laminates can be applied to the tube&#8217;s surface, offering both aesthetic and functional benefits like UV protection or added scratch resistance.<\/p>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<hr \/>\n<p>&nbsp;<\/p>\n<p><em><strong>Check out our blog discussing <a href=\"https:\/\/www.smetals.co.uk\/mild-steel\/what-is-steel-box-section\/\">what is a steel box section<\/a>. It will prove a useful read to help you to make an informed decision on which material would work best for you.\u00a0<\/strong><\/em><\/p>\n<p><em><strong>We are also very proud of our ever expanding <a href=\"https:\/\/www.youtube.com\/@SpecialityMetals\">YouTube<\/a> channel.\u00a0<\/strong><\/em><\/p>\n<p><em><strong>Our goal for our blogs and help guides is to answer as many questions as possible to help to explain the possibilities of mesh to our customers.\u00a0 <a href=\"https:\/\/www.smetals.co.uk\/contact\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contact us<\/a>\u00a0today if you have any questions at all. We are always really keen to help in any way that we can.<\/strong><\/em><\/p>\n<p><em><strong>We are also very proud of our highly popular\u00a0<a href=\"https:\/\/www.ebay.co.uk\/itm\/303565335602?hash=item46ade76c32:g:52wAAOSwn35hVB0a&amp;amdata=enc%3AAQAHAAAA4FIP%2Fs70tTymwnOpAeuHgnIW%2FBAqQpqeR6HroKjmP36%2F%2FmVroq%2BkLuGAaqDDsbaUfezU7AgwWXqeZQmNQ9vUrKB0HvNfHGAMnrWAV3zaYwfaFXdb1ZPy%2BLRANrk4r34iTPERZMCKc4gz2jaHnnKfbWTRLl8wCNCXv1nnvzGyQjL%2BLPk7pduZ2rCUZMa%2B9dwXbeWE8%2FtoTTxof0z3NBEHraiWUdiMaSNaodMXjF7JoSwCP86rmynJf3BJud112BCDM1VXm9EmoScImhggISQRN41JtQY58AhlfjQsHHCoaCVv%7Ctkp%3ABFBMrKS3v79g\">eBay store<\/a>, check us out there too.<\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p><em><strong>\u00a3 MULTIBUY SAVINGS &#8211; Order 3 For 10% Off<\/strong><\/em><\/p>\n<p><em><strong>\u2714 Specialists In Rapid Shipments Of Any Size<\/strong><\/em><\/p>\n<p><em><strong>\u2714 FREE UK Delivery Included<\/strong><\/em><\/p>\n<p><em><strong>\u2714 Immediate Express Dispatch From Stock<\/strong><\/em><\/p>\n<p><em><strong>\u2714 Tracked Delivery with Order Updates<\/strong><\/em><\/p>\n<p><em><strong>\u2714 30-Day Returns Accepted<\/strong><\/em><\/p>\n<p><strong>@ \u260f \u00a0<a href=\"https:\/\/themeshcompany.com\/contact-us\/\"><em>Bespoke Cuts &amp; Longer Lengths Available<\/em><\/a>\u00a0<\/strong><\/p>\n<p>Are you on the hunt for a square metal tube that&#8217;s durable, versatile and won&#8217;t break the bank? Well, look no further than Speciality Metals&#8217; 80mm x 80mm x 3mm Mild Steel Section Square Metal Tube! Available in various lengths, this metal tube is perfect for a wide range of projects. Not only does it have excellent welding, forming, bending and machining abilities, but it&#8217;s also easily recycled.<\/p>\n<p>And with its cost-effective price point, you won&#8217;t have to break the bank to get the job done. So why wait? Give it a try!<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-20868 size-full\" src=\"https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/09\/Mild-Steel-Sheet.jpg\" alt=\"\" width=\"1280\" height=\"224\" srcset=\"https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/09\/Mild-Steel-Sheet.jpg 1280w, https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/09\/Mild-Steel-Sheet-300x53.jpg 300w, https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/09\/Mild-Steel-Sheet-1024x179.jpg 1024w, https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/09\/Mild-Steel-Sheet-768x134.jpg 768w, https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/09\/Mild-Steel-Sheet-600x105.jpg 600w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/p>\n","protected":false},"featured_media":18866,"comment_status":"open","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false},"product_brand":[],"product_cat":[36,20],"product_tag":[52,37,23,51],"class_list":["post-15697","product","type-product","status-publish","has-post-thumbnail","product_cat-mild-steel-square-tube","product_cat-tube","product_tag-3mm-thick","product_tag-box-section","product_tag-mild-steel","product_tag-square-tube","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>80mm x 80mm x 3mm Mild Steel Section Square Metal Tube - Speciality Metals<\/title>\n<meta name=\"description\" content=\"Top quality UK made hollow mild steel square metal tube box sections. Ideal for many engineering &amp; DIY jobs. Best prices &amp; rapid dispatch\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.smetals.co.uk\/product\/80mm-x-80mm-x-3mm-mild-steel-section-square-metal-tube\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"80mm x 80mm x 3mm Mild Steel Section Square Metal Tube - Speciality Metals\" \/>\n<meta property=\"og:description\" content=\"Top quality UK made hollow mild steel square metal tube box sections. Ideal for many engineering &amp; DIY jobs. Best prices &amp; rapid dispatch\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.smetals.co.uk\/product\/80mm-x-80mm-x-3mm-mild-steel-section-square-metal-tube\/\" \/>\n<meta property=\"og:site_name\" content=\"Speciality Metals\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-07T11:24:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2023\/04\/Mild-Steel-Box-Section-60-x-60mm-2mm-Thick-Image-4.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.smetals.co.uk\\\/product\\\/80mm-x-80mm-x-3mm-mild-steel-section-square-metal-tube\\\/\",\"url\":\"https:\\\/\\\/www.smetals.co.uk\\\/product\\\/80mm-x-80mm-x-3mm-mild-steel-section-square-metal-tube\\\/\",\"name\":\"80mm x 80mm x 3mm Mild Steel Section Square Metal Tube - Speciality Metals\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.smetals.co.uk\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.smetals.co.uk\\\/product\\\/80mm-x-80mm-x-3mm-mild-steel-section-square-metal-tube\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.smetals.co.uk\\\/product\\\/80mm-x-80mm-x-3mm-mild-steel-section-square-metal-tube\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.smetals.co.uk\\\/wp-content\\\/uploads\\\/2023\\\/04\\\/Mild-Steel-Box-Section-60-x-60mm-2mm-Thick-Image-4.jpg\",\"datePublished\":\"2022-07-20T15:36:01+00:00\",\"dateModified\":\"2026-07-07T11:24:29+00:00\",\"description\":\"Top quality UK made hollow mild steel square metal tube box sections. 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