Mild steel is a type of low-carbon steel that contains a small percentage of carbon (between 0.05 - 0.25%) to enhance the properties of pure iron. Mild steel is available in many grades. Depending on the requirement of the steel, the carbon content varies. However, their carbon contents are all within the range mentioned above. Additional components are added to enhance beneficial qualities like corrosion resistance, wear resistance, and tensile strength.
Some of the most popular mild steel grades are: -
EN 1.0301 - This steel grade has a 0.1% carbon content, a 0.4% manganese content, a 0.4% silicon content, and other components that all contribute to the steel's good weldability. Because of these characteristics, EN 1.0301 is frequently used to make furniture, appliances, and automobile components.
EN 1.1121 - This low-carbon steel grade has an average manganese content of 0.45% and about 0.1% carbon, giving it an extraordinarily high ductility that makes it useful for various projects.
EN 1.0402 – This grade of steel is especially suited for carburised parts. It has a good balance between ductility, strength, toughness, and excellent weldability. Its manganese level ranges from 0.3% to 0.6%, and its carbon content ranges from 0.18% to 0.23%. It is not as frequently used as EN 1.1121, but it has excellent machinability in its as-forged state.
How is mild steel made?
Iron ore and coal are extracted and then melted together in a blast furnace along with lime, which is added to form a protective layer over the top of the hot molten metal. As scrap steel is introduced to the converter, oxygen is blasted through the molten iron, bringing the carbon content down to a maximum of 1.5%.
The mixture is then transferred to a different furnace to burn out any impurities and make any additional chemical changes to the mild steel. Degassing, stirring, and ladle injection are potential procedures that could be utilised at this phase, each of which has a different effect on the outcome.
The steel is then put into a mould and solidifies in the casting process.
Following that, the low-carbon steel slab is usually formed as needed using techniques like hot rolling or cold drawing, among others. The step is known as the forming process. Mild steel is often formed multiple times to enhance its mechanical qualities using processes like coating and tempering.
What is mild steel used for?
1. Machinery Applications – The production of machinery and automobiles extensively uses mild steel. It is affordable, appropriate for various cutting and coating techniques, has good weldability, and offers adequate physical qualities. These qualities are advantageous for creating frames, panels, etc
2. Pipelines and Poles - Mild steel is an excellent option for making poles and pipes because it has excellent ductility and can withstand harsh environments.Although mild steel pipes can easily be welded together, they generally maintain some flexibility. This is a crucial property of the metal since the pipelines may contract during cold weather or enlarge during hot weather.
3. Cutlery and Cookware - Earlier stainless steel cookware used to be the only option, however, modern cooks are starting to appreciate the benefits of using mild steel cookware. The cutting tool can be modified to become a non-sticking material, has a greater temperature limit, and maintains its sharpness for a more extended period of time. Corrosive wear can be combated by seasoning the metal.
4. Fencing - Our last modern application for mild steel is pretty conventional, but it has mainly benefited from the modern welding technology and equipment. Metal gating and fencing have always needed to strike a balance between strength and aesthetically pleasing design for beauty and character, and mild steel is ideal for both. It can be painted to create a long-lasting, low-care decorative finish and galvanised to prevent corrosion. It is sturdy and difficult to break (unlike cast iron). Mild steel may be easily forged in various shapes to fit even the most demanding designs, whether by hand or by a modern machine.If you are looking for mild steel products that have a longer lifespan and remain strong throughout the changing weather conditions, we recommend using galvanised low-carbon steel. Galvanised steel must adhere to established quality standards that guarantee an adequate amount of coating is applied to the steel to increase resistance to rain, severe temperatures, and the effects of weathering in general.
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