Hot Rolled Pickled and Oiled HRPO Steel Sheet - Kloeckner Metals

Hot rolled pickled & oiled steel sheet advantages workability and corrosion resistance. Because it is heated it can be easily bent and formed. The pickling and oiling process offers improved resistance to corrosion. One disadvantage of HRPO steel sheet is that its workability can come at the expense of mechanical properties. For example, when compared to cold rolled steel HRPO steel sheet will typically achieve lower strengths and be less durable. However, the amount of time it takes to hot roll, pickle, and oil the steel tends to be much shorter.

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Hot rolled steel first requires the steel to be at °F. At this high temperature, the steel will be malleable enough to be formed flat. It gets passed through rollers. Because cooling steel down from °F doesn’t happen instantaneously, it can lead to organic surface impurities and uneven thicknesses. This is just one reason hot rolled steel is often used for applications where surface finish will not impact quality.

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Temperature isn’t the only difference between cold rolled and hot rolled steel, but it is an important one. Hot rolled steel requires the steel to be at °F. At this high temperature, the steel will be malleable enough to be formed flat.

Cold rolling steel does not require the steel to be hot. At room temperature, it’s passed through high pressure rollers. When compared to hot rolled steel, cold rolling offers more control and consistency throughout the process and results in a more refined surface finishing and better durability. It also achieves higher strengths than hot rolled steel.

Cost can be a difference between these two products as well. Cold rolling tends to require more extensive processing and special equipment that’s usually reflected in the cost.

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