{"id":7320,"date":"2025-11-30T09:39:20","date_gmt":"2025-11-30T01:39:20","guid":{"rendered":"https:\/\/vast-cast.com\/?p=7320"},"modified":"2025-11-30T09:43:29","modified_gmt":"2025-11-30T01:43:29","slug":"mild-steel-description-properties-grades-specifications-and-uses","status":"publish","type":"post","link":"https:\/\/vast-cast.com\/de\/mild-steel-description-properties-grades-specifications-and-uses\/","title":{"rendered":"cURL Too many subrequests."},"content":{"rendered":"

Complete mild steel description including properties grades specifications and applications supplied in sheets plates bars and tubes by Vast Steel.<\/p>\n\n\n\n

What is Mild Steel?<\/h2>\n\n\n\n

Mild steel is a type of low-carbon steel known for its simplicity and versatility. It typically contains a carbon content of less than 0.25%, which makes it softer and more ductile compared to higher-carbon steels. Classified under plain carbon steels, mild steel falls within the broader category of carbon steels but with minimal alloying elements.<\/p>\n\n\n\n

Worldwide, mild steel goes by several other names, including low-carbon steel, plain carbon steel, black steel, and simply MS steel. These terms often overlap depending on the region or industry, but they all refer to the same basic material known for its excellent weldability and formability.<\/p>\n\n\n\n

Mild steel stands as the most widely used steel grade globally. Its popularity stems from a balance of mechanical strength, affordability, and ease of fabrication. Industries favor mild steel for structural components, machinery parts, and everyday metal products because it delivers dependable performance without complex processing. Its adaptability and cost-effectiveness make it a preferred choice for countless applications across the construction, automotive, and manufacturing sectors.<\/p>\n\n\n\n

Chemical Composition of Mild Steel<\/h2>\n\n\n\n

Mild steel, also known as low carbon steel or plain carbon steel, typically contains a low percentage of carbon, usually between 0.05% and 0.25%. This low carbon content is key to its excellent ductility and weldability, making it a favorite choice across many industries.<\/p>\n\n\n\n

Here\u2019s a typical composition range for most common mild steel grades:<\/p>\n\n\n\n

Element<\/th>Typical Content (%)<\/th><\/tr><\/thead>
Carbon (C)<\/td>0.05 \u2013 0.25<\/td><\/tr>
Manganese (Mn)<\/td>0.3 \u2013 0.7<\/td><\/tr>
Phosphorus (P)<\/td>\u2264 0.04<\/td><\/tr>
Sulfur (S)<\/td>\u2264 0.05<\/td><\/tr>
Silicon (Si)<\/td>0.1 \u2013 0.3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

The low carbon content keeps the steel soft enough to be easily formed and welded without cracking. It also allows for good toughness and flexibility under stress. Because of this, mild steel is considered highly ductile, meaning it can be stretched or shaped without breaking. This property supports wide-ranging welding applications, from simple joints to complex fabrications, without the need for pre-heating or extensive post-weld treatments.<\/p>\n\n\n\n

If you are interested in fabrication or joining techniques, check out our detailed guide on MIG vs TIG welding differences, benefits, and best uses<\/a> to see how mild steel performs under different welding methods.<\/p>\n\n\n\n

Mechanical & Physical Properties of Mild Steel<\/h2>\n\n\n\n

Mild steel offers a great balance of strength, ductility, and durability, making it a versatile choice for many applications. Here\u2019s a quick look at the typical mechanical and physical properties you can expect, along with a grade-specific breakdown for common standards like EN, ASTM, and IS.<\/p>\n\n\n\n

Property<\/th>Typical Range<\/th>Units<\/th><\/tr><\/thead>
cURL Too many subrequests.<\/strong><\/td>235 \u2013 355<\/td>MPa<\/td><\/tr>
Tensile Strength<\/strong><\/td>370 \u2013 510<\/td>MPa<\/td><\/tr>
Elongation<\/strong><\/td>20 \u2013 26<\/td>% (in 50mm)<\/td><\/tr>
Hardness<\/strong><\/td>120 \u2013 180<\/td>HB (Brinell)<\/td><\/tr>
Density<\/strong><\/td>7.85<\/td>g\/cm\u00b3<\/td><\/tr>
Thermal Conductivity<\/strong><\/td>~50<\/td>W\/m\u00b7K<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Grade-by-Grade Mechanical Properties<\/h3>\n\n\n\n
Grade<\/th>Yield Strength (MPa)<\/th>Tensile Strength (MPa)<\/th>cURL Too many subrequests.<\/th>Common Standards Equivalent<\/th><\/tr><\/thead>
S235JR<\/strong><\/td>235<\/td>360 \u2013 510<\/td>\u2265 26<\/td>EN 10025<\/td><\/tr>
S275JR<\/strong><\/td>275<\/td>cURL Too many subrequests.<\/td>cURL Too many subrequests.<\/td>EN 10025<\/td><\/tr>
cURL Too many subrequests.<\/strong><\/td>355<\/td>cURL Too many subrequests.<\/td>cURL Too many subrequests.<\/td>EN 10025<\/td><\/tr>
cURL Too many subrequests.<\/strong><\/td>250<\/td>cURL Too many subrequests.<\/td>cURL Too many subrequests.<\/td>cURL Too many subrequests.<\/td><\/tr>
cURL Too many subrequests.<\/strong><\/td>230<\/td>cURL Too many subrequests.<\/td>cURL Too many subrequests.<\/td>cURL Too many subrequests.<\/td><\/tr>
cURL Too many subrequests.<\/strong><\/td>250<\/td>cURL Too many subrequests.<\/td>cURL Too many subrequests.<\/td>cURL Too many subrequests.<\/td><\/tr>
cURL Too many subrequests.<\/strong><\/td>460<\/td>cURL Too many subrequests.<\/td>cURL Too many subrequests.<\/td>cURL Too many subrequests.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

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For your applications, selecting the right grade with corresponding properties ensures optimal performance. For detailed specifications and cutting services, check out our large inventory and precision cutting options to get exactly what you need.<\/p>\n\n\n\n

Most Common Mild Steel Grades We Supply<\/h2>\n\n\n\n\n\n

At Vast, we stock a wide range of popular mild steel grades tailored to meet diverse project needs. Here\u2019s a quick look at some of the most common standards and their typical applications:<\/p>\n\n\n\n

EN Series<\/h3>\n\n\n\n