{"id":5807,"date":"2026-05-29T11:06:30","date_gmt":"2026-05-29T09:06:30","guid":{"rendered":"https:\/\/pos-met.pl\/blog\/structural-steel-s355-and-its-role-in-the-production-of-welding-tables\/"},"modified":"2026-09-25T10:51:56","modified_gmt":"2026-09-25T08:51:56","slug":"structural-steel-s355-and-its-role-in-the-production-of-welding-tables","status":"publish","type":"post","link":"https:\/\/pos-met.pl\/en\/blog\/structural-steel-s355-and-its-role-in-the-production-of-welding-tables\/","title":{"rendered":"Structural steel S355 and its role in the production of welding tables"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Structural steel S355 is one of the most important materials used in the metalworking and welding industries. Its mechanical properties make it an ideal material for manufacturing welding tables, which must combine strength, stability, and the ability to enable precise component clamping. In this article, we will discuss in detail the properties of S355 steel, its application in welding tables, and its advantages over other structural steels.  <\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<h2 class=\"wp-block-heading\"><strong>What is S355 structural steel?<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">S355 structural steel is a standard material used in industry, including the production of <a href=\"https:\/\/pos-met.pl\/produkty\/stoly-spawalnicze\/\">welding tables<\/a>. It is characterized by an excellent combination of strength, ductility, and weldability, which is key for stable load-bearing structures. The high quality of S355 steel ensures that welding tables retain their functionality even under heavy loads.  <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Definition and designations (S, 355)<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">The designation &#8220;S355&#8221; originates from European standards and is highly precise. The letter &#8220;S&#8221; stands for structural steel intended for load-bearing elements, while the number 355 specifies the minimum yield strength in MPa. This means that the steel can withstand a pressure force of 355 MPa before undergoing permanent deformation, making it an ideal material for welding tables that must support heavy loads.  <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Key properties and chemical composition<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">S355 steel is characterized by high strength, good ductility, and resistance to deformation. Its chemical composition includes carbon, manganese, silicon, phosphorus, and sulfur, among other elements, maintaining a balance between strength and weldability. Thanks to these properties, S355 steel welding tables are durable and easy to machine.   <\/p>\n\n<p class=\"wp-block-paragraph\">Sample chemical composition of S355 steel:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Carbon: \u22640.24%<\/li>\n\n\n\n<li>Manganese: 1.6%<\/li>\n\n\n\n<li>Silicon: 0.55%<\/li>\n\n\n\n<li>Phosphorus: \u22640.035%<\/li>\n\n\n\n<li>Sulfur: \u22640.035%<br\/><\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><strong>Why is S355 an ideal material for welding tables?<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">Welding tables must be durable, stable, and resistant to deformation during operation. S355 steel meets these requirements, allowing welding tables to maintain precision, stability, and operational safety even under intensive use. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Strength and load capacity (yield strength)<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">S355 steel has a high yield strength, allowing it to sustain heavy loads without permanent deformation. Tables made of this material are stable and resistant to heavy welded components, which enhances operational safety and enables the welding of heavy structural elements. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Resistance to deformation and stress<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">Tabletops made of S355 steel are resistant to stresses generated during welding. Even under intensive use, the table retains its structure and stability, allowing the welder to achieve precise welds. Resistance to deformation is particularly essential in industrial applications and professional workshops.  <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Weldability and ease of processing<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">S355 steel is easy to weld and machine, allowing welding table manufacturers to create structures with hole systems, brackets, and additional clamping components.<\/p>\n\n<p class=\"wp-block-paragraph\">Main advantages of S355 weldability:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>easy joining of table components<\/li>\n\n\n\n<li>ability to adapt to various clamping systems<\/li>\n\n\n\n<li>compatibility with most welding methods<br\/><\/li>\n<\/ul>\n\n<h2 class=\"wp-block-heading\"><strong>What are the differences between S355 and other steels used in production?<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\">The choice of the right steel impacts the strength and durability of welding tables. S355 stands out from popular structural steels such as S235 or S275, offering higher load capacity and resistance to deformation. <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Comparison with popular steels S235 and S275<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">S235 steel is used for light structures, but it has lower load capacity and less resistance to deformation. S275 is a compromise between strength and cost, suitable for medium-duty welding tables. S355 steel provides the highest strength and stress resistance, making it the best choice for professional welding tables.  <\/p>\n\n<h3 class=\"wp-block-heading\"><strong>Certification and material quality<\/strong><\/h3>\n\n<p class=\"wp-block-paragraph\">S355 steel is available with a certificate that confirms its mechanical properties and compliance with European standards. The S355 certificate guarantees: <\/p>\n\n<ul class=\"wp-block-list\">\n<li>consistent material strength<br\/><\/li>\n\n\n\n<li>safety of table operation<br\/><\/li>\n\n\n\n<li>quality and repeatability of welds<br\/><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\">Thanks to certified steel, manufacturers can create welding tables with predictable strength and long service life.<\/p>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<h2 class=\"wp-block-heading\"><strong>Frequently Asked Questions<\/strong><\/h2>\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<p class=\"wp-block-paragraph\"><strong>What is S355 structural steel?<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Structural steel S355 is a high-strength material with good ductility, intended for the production of load-bearing components. It is frequently used in the production of welding tables due to its stability and resistance to deformation. <br\/><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><strong>What properties does S355 steel have?<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>S355 steel features a high yield strength (355 MPa), resistance to stress and deformation, good weldability, and ease of machining. Thanks to these properties, welding tables made of S355 are durable and stable. <br\/><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><strong>What is S355 steel used for in the production of welding tables?<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>S355 is used for the production of tops and structural frames of welding tables that must withstand heavy loads and ensure stability when welding heavy components. This material enables the integration of additional features, such as mounting hole systems and clamps. <br\/><\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Structural steel S355 is one of the most important materials used in the metalworking and welding industries. Its mechanical properties make it an ideal material for manufacturing welding tables, which must combine strength, stability, and the ability to enable precise component clamping. In this article, we will discuss in detail the properties of S355 steel, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5806,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[75],"tags":[],"class_list":["post-5807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/posts\/5807","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/comments?post=5807"}],"version-history":[{"count":3,"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/posts\/5807\/revisions"}],"predecessor-version":[{"id":5966,"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/posts\/5807\/revisions\/5966"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/media\/5806"}],"wp:attachment":[{"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/media?parent=5807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/categories?post=5807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pos-met.pl\/en\/wp-json\/wp\/v2\/tags?post=5807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}