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Q: What is hot-rolled mild steel?

23/11/2023 11:29:06 2    answers in: Other
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Hot-rolled steel is ideal for products where tight tolerances aren't needed. Hot-rolled steel is steel that has been roll-pressed at veritably high temperatures. Hot rolled steel is the steel that has been roll-pressed at veritably high temperatures — over 1700˚F. Hot-rolled processes can significantly reduce consumption and reduce costs. The hot rolling process can facilitate the performance of essence and blends.

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Hot-rolled steel is rolled into sheets at elevated temperatures (above 930 Degrees Celcius), which is more than its recrystallization temperature. The process becomes easy to form and shape and involves a large rectangular steel block (Billet) heated up to a certain temperature till soft to shape. It is flattened into a large roll and processes to the desired thickness and dimensions, keeping it at the same temperature by applying a series of rollers.

The white-hot strands of steel are pushed through the rollers at high speeds. For sheet metal, rolled steel is spun into coils and left to cool. Other materials, such as bars or plates, are sectioned and packed.

Steel shrinks as it cools and has less control over its final dimensions. This makes it not suitable for precision applications. However, margins and allowances are allocated to manage the dimensions. For example, railroad tracks, construction projects, etc.

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