{"id":13806,"date":"2022-03-02T13:22:56","date_gmt":"2022-03-02T13:22:56","guid":{"rendered":"https:\/\/www.smetals.co.uk\/?post_type=product&#038;p=13806"},"modified":"2026-07-22T11:06:26","modified_gmt":"2026-07-22T11:06:26","slug":"12-x-1mm-mild-steel-metal-tubing-erw-round-tube","status":"publish","type":"product","link":"https:\/\/www.smetals.co.uk\/product\/12-x-1mm-mild-steel-metal-tubing-erw-round-tube\/","title":{"rendered":"12 x 1mm Mild Steel Metal Tubing ERW Round Tube"},"content":{"rendered":"<h2>12 x 1mm Mild Steel Metal Tubing<\/h2>\n<p>12 x 1mm round mild steel metal tubing used in many structural and engineering applications. The size refers to the outside diameter and then the thickness of the wall.<\/p>\n<div>\n<p>ERW means Electric Resistance Welded. ERW tube is made by welding a steel strip to form a tube shape. The tube is continuously seam welded which means that there is a neat weld running along the inside of the tube.<\/p>\n<p>Mild steel round tube is widely used in a variety of applications and also comes in both <strong><a href=\"https:\/\/www.smetals.co.uk\/product-category\/tube\/mild-steel-square-tube\/\">square<\/a><\/strong> and <strong><a href=\"https:\/\/www.smetals.co.uk\/product-category\/tube\/mild-steel-rectangular-tube\/\">rectangular<\/a><\/strong> options.<\/p>\n<\/div>\n<p>When it comes to metal tubing, having a product that is versatile and durable is essential. The 12 x 1mm Mild Steel Metal Tubing ERW Round Tube by Speciality Metals meets both of these requirements and more. With excellent welding, forming, bending and machining abilities, this metal tubing can be used in a variety of applications and industries. This product also comes in various lengths to meet the unique needs of each project. Furthermore, the fact that it is recyclable makes it a sustainable choice. Not only is this metal tubing durable and versatile, but it is also cost effective, making it an ideal choice for projects that require high-quality materials without breaking the bank.<\/p>\n<div>\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<\/div>\n<div>\n<p>Key information:<\/p>\n<ul>\n<li><strong>Shape \u2013 Round Tube<\/strong><\/li>\n<li><strong>Grade \u2013 EN10305E220<\/strong><\/li>\n<li><strong>Hot or Cold Rolled \u2013 Cold Rolled<\/strong><\/li>\n<li><strong>External Diameter \u2013 12mm<\/strong><\/li>\n<li><strong>Wall Thickness \u2013 1mm<\/strong><\/li>\n<li><strong>Internal Diameter &#8211; 10mm<\/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<p>Mild steel is a quality strong metal. 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 of rust then simply remove this with WD40 or fine sanding.<\/p>\n<ul>\n<li><strong>Bending &amp; Forming &#8211; Fair. You could only bend this tubing with bending tools but not by hand<\/strong><\/li>\n<li><strong>Corrosion Resistance &#8211; Poor. Mild steel is uncoated, so there is no additional protection against corrosion<\/strong><\/li>\n<li><strong>Machining &amp; Grinding &#8211; 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 &#8211; Excellent. You could easily weld with this tubing to suit your requirements<\/strong><\/li>\n<li><strong>Painting &#8211; 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 &#8211; 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.<\/p>\n<p>Mild steel can be welded and it&#8217;s 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>&nbsp;<\/p>\n<hr \/>\n<h4>FAQs About This Product<\/h4>\n<h2>What&#8217;s the Lifespan of Mild Steel Round Tubes?<\/h2>\n<p>Mild steel round tubes offer a broad range of uses due to their strength and formability. However, their lifespan is contingent on various factors. Inherently susceptible to corrosion, their longevity can be drastically reduced when exposed to moist or corrosive environments. Without any protective measures, such as galvanising, powder coating or painting, mild steel tubes can begin to rust within a few years of exposure to the elements. On the other hand, with proper protection and maintenance, these tubes can effectively resist corrosion and last for several decades. Additionally, their lifespan is influenced by factors like the physical stresses they&#8217;re subjected to, their application, and the conditions of their environment. In indoor settings or dry climates, where they are less exposed to moisture, their lifespan can be considerably extended. In conclusion, while mild steel round tubes have a natural predisposition to corrode, with appropriate care and preventive measures, they can serve their purpose effectively for an extended period.<\/p>\n<\/div>\n<div>\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<h2>Can These Tubes be used Underground?<\/h2>\n<p>Mild steel round tubes can indeed be utilized underground, but their application demands careful consideration. The inherent susceptibility of mild steel to corrosion becomes particularly pronounced when exposed to the moisture and varied pH levels typical of soil environments. Protective measures, such as galvanisation or bituminous coatings, are essential to shield these tubes from early degradation. When planning underground installations, it&#8217;s also crucial to account for the structural pressures exerted by the overlying soil, ensuring that the tubes possess the necessary strength and wall thickness. Moreover, areas prone to waterlogging can amplify corrosion risks, making adequate drainage a significant consideration. Although these tubes can serve various underground applications, from conduits to structural supports, periodic inspections and maintenance are imperative to ensure their longevity. For projects requiring extended durability with minimal upkeep, alternatives like PVC or stainless steel might be more suitable, given their enhanced resistance to corrosion.<\/p>\n<div class=\"min-h-[20px] flex flex-col items-start gap-4 whitespace-pre-wrap break-words\">\n<div class=\"markdown prose w-full break-words dark:prose-invert dark\">\n<h2>How do Mild Steel Round Tubes React to Temperature Changes?<\/h2>\n<p>Mild steel round tubes exhibit specific reactions when exposed to temperature fluctuations. As with most metals, mild steel expands when heated and contracts when cooled. This thermal expansion and contraction are linear and predictable, making it an important consideration in engineering and construction, especially when these tubes are used in environments with significant temperature variations. Extreme temperature changes can also impact the material&#8217;s mechanical properties. At very high temperatures, mild steel can lose some of its tensile strength and become more malleable, while at extremely cold temperatures, it can become more brittle and less ductile. This susceptibility to temperature-induced brittleness can make it less suitable for applications in extremely cold climates without proper treatment or alloying. In essence, while mild steel round tubes are versatile and robust, understanding their behavior under temperature changes is crucial for ensuring their longevity and optimal performance in specific applications.<\/p>\n<p>&nbsp;<\/p>\n<\/div>\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\/cutting-welding-and-shaping-working-with-mild-steel-round-tube\/\">cutting, welding and shaping mild steel round tube<\/a><\/strong><\/em><em><strong>. 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<\/div>\n","protected":false},"excerpt":{"rendered":"<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 Lengths &amp; Larger Quantities Available<\/em><\/a>\u00a0<\/strong><\/p>\n<p>Looking for a cost-effective yet durable solution for your metal tubing needs? Look no further than Speciality Metals&#8217; 12mm x 1mm Mild Steel Metal Tubing. With its excellent welding, forming, bending and machining abilities, this versatile tubing can conquer any fabrication challenge you throw its way. Available in various lengths and fully recyclable, this ERW Round Tube is not only practical, but also eco-friendly. Plus, its durability means you won&#8217;t have to worry about constant repairs and replacements. Trust us, this metal tubing is the perfect fit for all your fabrication projects.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-21833\" src=\"https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/11\/Mild-Steel-Box-Section-Icon-Banner-scaled.jpg\" alt=\"Mild Steel Box Section Icon Banner\" width=\"2560\" height=\"448\" srcset=\"https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/11\/Mild-Steel-Box-Section-Icon-Banner-scaled.jpg 2560w, https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/11\/Mild-Steel-Box-Section-Icon-Banner-300x53.jpg 300w, https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/11\/Mild-Steel-Box-Section-Icon-Banner-1024x179.jpg 1024w, https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/11\/Mild-Steel-Box-Section-Icon-Banner-768x134.jpg 768w, https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/11\/Mild-Steel-Box-Section-Icon-Banner-1536x269.jpg 1536w, https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/11\/Mild-Steel-Box-Section-Icon-Banner-2048x358.jpg 2048w, https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/11\/Mild-Steel-Box-Section-Icon-Banner-600x105.jpg 600w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/p>\n","protected":false},"featured_media":27818,"comment_status":"open","ping_status":"closed","template":"","meta":{"_exactmetrics_skip_tracking":false},"product_brand":[],"product_cat":[21,20],"product_tag":[31,23,24],"class_list":["post-13806","product","type-product","status-publish","has-post-thumbnail","product_cat-mild-steel-round-tube","product_cat-tube","product_tag-1mm-thick","product_tag-mild-steel","product_tag-round-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>12 x 1mm Mild Steel Metal Tubing ERW Round Tube - Speciality Metals<\/title>\n<meta name=\"description\" content=\"12 x 1mm mild steel metal tubing has a 12mm outside dia (O\/D) &amp; a 1mm wall thickness. Ideal for many engineering applications. Round ERW tube\" \/>\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\/12-x-1mm-mild-steel-metal-tubing-erw-round-tube\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"12 x 1mm Mild Steel Metal Tubing ERW Round Tube - Speciality Metals\" \/>\n<meta property=\"og:description\" content=\"12 x 1mm mild steel metal tubing has a 12mm outside dia (O\/D) &amp; a 1mm wall thickness. Ideal for many engineering applications. Round ERW tube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.smetals.co.uk\/product\/12-x-1mm-mild-steel-metal-tubing-erw-round-tube\/\" \/>\n<meta property=\"og:site_name\" content=\"Speciality Metals\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-22T11:06:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.smetals.co.uk\/wp-content\/uploads\/2022\/03\/12-x-1mm-Mild-Steel-Round-Tube.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=\"6 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\\\/12-x-1mm-mild-steel-metal-tubing-erw-round-tube\\\/\",\"url\":\"https:\\\/\\\/www.smetals.co.uk\\\/product\\\/12-x-1mm-mild-steel-metal-tubing-erw-round-tube\\\/\",\"name\":\"12 x 1mm Mild Steel Metal Tubing ERW Round Tube - Speciality Metals\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.smetals.co.uk\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.smetals.co.uk\\\/product\\\/12-x-1mm-mild-steel-metal-tubing-erw-round-tube\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.smetals.co.uk\\\/product\\\/12-x-1mm-mild-steel-metal-tubing-erw-round-tube\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.smetals.co.uk\\\/wp-content\\\/uploads\\\/2022\\\/03\\\/12-x-1mm-Mild-Steel-Round-Tube.jpg\",\"datePublished\":\"2022-03-02T13:22:56+00:00\",\"dateModified\":\"2026-07-22T11:06:26+00:00\",\"description\":\"12 x 1mm mild steel metal tubing has a 12mm outside dia (O\\\/D) & a 1mm wall thickness. 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