Hot-Rolled/Hot-Rolled Pickled & Oiled (HR/HRPO)

Hot rolled mild steel is a malleable type of steel produced through the hot rolling process, commonly used in construction and manufacturing due to its low carbon content.

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Why HR / HRPO?

Hot-rolled steel typically has a scaly surface finish. For situations in which the appearance of the material is a concern, the scales can be removed by several techniques: pickling, grinding, or sand-blasting. These properties make hot-rolled steel most suitable for structural components and other applications where exact shapes and tolerances are of less importance. The properties of HR/HRPO are:

1. Malleability and Ductility: Hot-rolled mild steel is relatively soft and ductile, making it easy to shape and form into various structures and components without fracturing or cracking.

2. Strength: Despite its malleability, hot-rolled mild steel still possesses sufficient strength for many structural applications, making it suitable for buildings, bridges, and other load-bearing structures.

3. Cost-Effective: Hot rolling is a cost-effective method of production, contributing to the affordability and widespread use of mild steel in various industries.

4. Weldability: Hot-rolled mild steel exhibits good weldability, allowing for easy joining and fabrication of components.

5. Versatility: Due to its favourable combination of strength, malleability, and weldability, hot-rolled mild steel finds application in diverse industries, including construction, manufacturing, automotive, and machinery.

The difference between hot rolled and hot rolled pickled & oiled steel lies in the additional pickling and oiling process applied to HRPO steel, which results in a smoother surface and better rust resistance. This makes HRPO steel more suitable for applications where surface finish and corrosion protection are important factors.

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