Mild steel is a type of carbon steel that has very little carbon in it. It is also called “low carbon steel.” Depending on the source, the amount of carbon in mild steel ranges from 0.05% to 0.25% by weight. On the other hand, higher carbon steels usually have a carbon content of between 0.30% and 2.0%. If more than that amount of carbon is added, the steel becomes cast iron.
Mild steel is not Alloy steel, so it doesn’t have a lot of other elements in it besides iron. It doesn’t have a lot of chromium, molybdenum, or other elements that make steel stronger. Since it has a low amount of carbon and alloying elements, it has a few properties that set it apart from steels with more carbon and alloying elements.
Mild steel is usually easier to bend, cut, and weld than high carbon steel and other steel because it has less carbon. On the other hand, this also makes it nearly impossible to harden and strengthen by heating and quenching. The low carbon content also means that it has very little carbon and other alloying elements to block dislocations in its crystal structure. As a result, it usually has less tensile strength than high carbon and alloy steels. Mild steel has a lot of iron and ferrite in it, which makes it magnetic.
Since mild steel doesn’t have alloying elements like those in stainless steel, the iron in it can rust if it isn’t properly coated. But the small amount of alloying elements in mild steel also makes it relatively cheap compared to other types of steel. Because it is cheap, easy to weld, and easy to work with, it is a popular steel choice for consumers.
Technical Specifications of Mild Steel
|MILD STEEL CHANNELS|
|Designation||Depth of Section||Width of Flange||Thickness of Web||Weight/Mtr||Sectional Area||Moduli of Section|
|ISMC 75 weight||75||40||4.8||7.1||9.1||20.3||4.7|
|ISMC 100 weight||100||50||5||9.6||12.2||37.3||7.5|
|ISMC 125 weight||125||65||5.3||13.1||16.7||68||13.4|
|ISMC 150 weight||150||75||5.7||16.8||21.3||105||19.4|
|ISMC 175 weight||175||75||6||19.6||24.4||139.8||22.8|
|ISMC 200 weight||200||75||6.2||22.3||28.5||181||26.4|
|ISMC 250 weight||250||82||7.2||34.2||39||307||38.4|
|ISMC 300 weight||300||90||7.8||36.3||46.3||428||47.1|
|ISMC 400 weight||400||100||8.8||50.1||63.8||760||67|
What is Mild Steel used for?
Mild steel is one of the most popular types of steel because it can be used to make things in many different industries. Mild steel is used for building structures, signs, cars, furniture, fencing, and a lot more. Check out the list below to learn more about the different kinds of projects where low carbon steel can be a great choice of material:
Steel Frame Buildings – Mild steel beams are often used for building frames because they are strong.
Gates and Fencing – Mild steel gates and fences offer both security and a nice look, which are both important for these two products. Low-carbon steel is hard to break and can be painted, primed, or galvanized to keep it from rusting and give it a nice finish.
Machinery Parts – One of the best things about low-carbon steel is that it can be shaped into different shapes. This makes it perfect for making steel sheets for car body kits and other machinery parts.
Pipelines – When people need steel pipes for different projects, they often choose mild steel tubes. This is because the pipes are very ductile, which makes them easy to weld and flexible enough to not break under pressure. These pipes can also be insulated to keep working even when it’s cold outside. This helps to improve the pipes’ long-term quality.
Structural Steel – Low-carbon steel can be used when structural steel fabrication is needed because it has a consistent yield strength and is easier to shape. Mild steel can be better than structural steel for smaller building projects because it is easier to work with and costs less.
The Grades of Mild Steel
EN 1.0301 – This grade of steel has 0.1% carbon, 0.4% manganese, and 0.4% silicon, along with a few other elements that all make it easy to weld. Because of these qualities, EN 1.0301 is often used to make furniture, appliances, and car parts.
EN 1.1121 – This low-carbon steel grade has about 0.1% carbon and an average of 0.45% manganese. This gives EN 1.1121 a very high level of ductility, which is used in a wide range of projects.
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ISMC (Indian Standard Medium Channel) Weight chart: Have a quick look at ISMC Weight Chart.
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