The Differences Between Hot and Cold Rolled Steel
When approaching your project, it is crucial to know the type of steel that is best suited for your needs. Different types of steel manufacturing can produce material that performs better for the specific applications. The hot and cold rolled steel manufacturing methods specifically have a great effect on the overall performance of the steel.
Prior knowledge of distinctions between the two methods can help your company save on time, raw material cost, and additional processing. This article aims to explain the differences between hot and cold rolled steel and discuss the advantages (and limitations) of each.
NOTE: Hot-rolling and cold-rolling should not be mistaken for different grades of steel. Steels of different grades can be produced as hot-rolled or cold-rolled.
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When steel is heated past its recrystallization point, it becomes more malleable and can be properly formed and shaped.
the manufacturing process behind cold-rolled steel is a bit different. Despite the name, this process refers to steel that is pressed with the pressure of a roller at room temperature.
Compared to hot-rolled steel, cold-rolled steel has a nearly 20% increase in strength through the use of strain hardening.
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There are many types of steel out there, with various shapes, grades, specifications, finishes, and other processing considerations. One key distinction among prefabricated steel products is the difference between hot rolled versus cold rolled steel.
It may seem obvious, but some types of steel are better suited for certain applications than others. Knowing which to use can help avoid spending more than necessary on raw materials. It can also save time and money on additional processing. In other words, understanding the differences between hot and cold rolled steel will help designers and engineers achieve better results—and at the best price possible.
The basic difference between these two types of steel is one of process. As you can imagine, “hot rolling” refers to processing done with heat. “Cold rolling” refers to processes done at or near room temperature. Although these techniques affect overall performance and application, they should not be confused with formal specifications and grades of steel, which have to do with metallurgical composition and performance ratings. Steels of different grades and specifications can be either hot rolled or cold rolled—including basic carbon and other alloy steels.
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- samin tejarat
- November 25, 2020
- 1:53 pm
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