Introduction
A type of carbon steel with very little carbon is known as mild steel. Another name for it is “low carbon steel.” The percentage of carbon in mild steel can range from 0.05% to 0.25% by weight, depending on the source. Higher carbon steels, on the other hand, typically have a carbon content of between 0.30 and 2.0%. Steel turns into cast iron if more carbon is supplied than that.
Since mild steel is not an alloy, it only contains a small number of other elements than iron. It is deficient in metals like chromium, molybdenum, and others that make steel stronger. It has a few characteristics that set it apart from steels with greater carbon and alloying element contents due to its low carbon and alloying element content.
Mild steel is often simpler to bend, cut, and weld than high-carbon steel and other steel since it contains less carbon. Additionally, this makes heating and quenching harden and strengthen it extremely impossible. Due of the extremely low carbon concentration, it also contains other alloying elements to prevent dislocations in the crystal structure. As a result, compared to high carbon and alloy steels, it frequently has a lower tensile strength. Mild steel is magnetic because it includes a sizable amount of ferrite and iron.
The iron in mild steel can rust if it is not properly coated because it lacks the alloying elements found in stainless steel. Because it has a small number of alloying elements, mild steel is more affordable than other types of steel. Due to its low cost, ease of welding, and ease of handling, it is popular steel among customers.
Technical Specifications of Mild Steel
| Designation | Depth of Section | Width of Flange | Thickness of Web | Weight/Mtr | Sectional Area | Moduli of Section | Moduli of Section |
| h | b | t | w | a | Zxx | Zyy | |
| (mm) | (mm) | (mm) | (kg) | (cm2) | (cm2) | (cm2) | |
| 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 the purpose of Mild Steel?
Due to its many industrial uses, mild steel is one of the most widely used types of steel. Among other things, mild steel is used in the construction of buildings, signs, cars, furniture, and fences. See the list below for additional information on the different projects that low carbon steel is a great choice for:
Steel Frame Buildings – Mild steel beams are commonly used for constructing frameworks because of their durability.
Gates and Fencing – Mild steel fences and gates offer the security and aesthetic appeal that are necessary for these two products. Low-carbon steel can be coated, primed, or galvanised to prevent rust and create a beautiful surface. It is very tough to break.
Machinery Parts – Low-carbon steel has the benefit of being able to be shaped into a variety of shapes. Because of this, it is perfect for producing steel sheets for vehicle body kits and other industrial components.
Pipelines – Customers commonly choose mild steel tubes when they need steel pipes for a variety of applications. As a result of the pipes’ high ductility, which makes them flexible enough to resist pressure without breaking, welding is made easier. Additionally, these pipes can be insulated to ensure that they perform in any condition. This contributes to the pipes’ increased toughness.
Structural Steel – Due to its consistent yield strength and ease of shaping, low-carbon steel can be employed when fabricating structural steel. For smaller construction projects, mild steel may be preferable than structural steel since it is less expensive and easier to deal with.
Classifications of Mild Steel
EN 1.0301 – This type of steel contains a combination of components that makes it simple to weld, including 0.1% carbon, 0.4% manganese, and 0.4% silicon. Due to these features, EN 1.0301 is frequently utilised to create furniture, appliances, and automobile components.
EN 1.1121 – This type of steel contains a combination of components that makes it simple to weld, including 0.1% carbon, 0.4% manganese, and 0.4% silicon. Due to these features, EN 1.0301 is frequently utilised to create furniture, appliances, and automobile components.
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