Understanding Various Hot Rolled Steel Grades

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Understanding Various Hot Rolled Steel Grades

Steel is an alloy of iron combined with small amounts of carbon. The metal comes in various grades based on the percentage of carbon it contains and the process of its formation. When we talk about a great combination of properties such as toughness, strength, tensile strength, ductility and hardness, there are only a few things that can beat carbon steel. And when it comes to getting all of these amazing mechanical properties at affordable rates, it is hard to beat hard rolled carbon steel.

Hot rolled carbon steel refers to a metal alloy made mostly of iron along with carbon and rolled down in size, at a heat level that is above the metals recrystallization temperature. Production of hot rolled mild steel at this temperature allows it to have many beneficial properties along with keeping the prices low in comparison to cold rolled steel. There are small amounts of other alloying materials like manganese, chromium or tungsten that are added to produce various grades of steel. These modify the properties of the steel and help produce different versions. Let’s take a look at some of these and understand their properties.

A36: This is one of the most popular forms of hot rolled steel available in the market. It is considered a low carbon steel as the carbon content remains between 0.25% to 0.29%, in terms of weight. The 36 in its name stands for the minimum yield tensile strength that stands at 36,000 psi. The metal is very machinable, weldable and widely used in structural applications.

C1018

This metal is low on carbon with 0.14% to 0.20% carbon by weight. The metal is highly weldable, machinable and formed easily when compared to other alloys and high carbon steels. It is used extensively in automotive and furniture industries and for structural applications.

A1011

This is another hot rolled steel that has traces of small amounts of other elements that make the steel very versatile. This grade of hot rolled steel is widely used in the general metal fabrications, sheet steel structural applications, automotive bodies and drums.

A500

A500 is a low carbon hot rolled steel. It tends to have up to 0.26% carbon in terms of weight when talking about his chemical composition. This metal grade is quite similar to A36 hot rolled steel grade. The only difference between the two is the shape in which both of these hot rolled steel are available. While A36 is available in rectangular bar, round bar, channel, plate, tread plate, round tube, square bar, angle, and shafting. On the other hand, A500 is solely used for tubing.

These grades are available across the Indian metal market, produced by the best of Indian steel manufacturers. JSW is a leading Indian steel manufacturer that produces the best steel products in the country. They have the best TMT bars, hot rolled steel sheets and hr coil prices in the market.

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