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Hot Rolled Pickled & Oiled Steel
Overview of Hot Rolled Pickled & Oiled Steel
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Hot Rolled Pickled & Oiled Steel (HRPO) is produced by removing the oxide scale formed during hot rolling through an acid pickling process, followed by the application of a protective oil coating. This treatment provides a clean, scale-free surface and temporary corrosion protection during storage and transportation.


Positioned between conventional hot rolled steel and cold rolled steel, HRPO combines the strength and cost advantages of hot rolled steel with improved surface quality and processing performance. It is widely used in automotive components, home appliances, machinery, storage systems, steel structures, and industrial equipment requiring forming, welding, painting, or fabrication.


Through partnerships with leading steel mills worldwide, CUMIC supplies a comprehensive range of HRPO products to support efficient manufacturing, reliable performance, and optimized material costs.



hot rolled coil

Features of Hot Rolled Pickled and Oiled Steel

1

Improved Surface Quality: Pickling removes mill scale and surface oxides, providing a clean and uniform surface for welding, painting, coating, and further processing.



2

Excellent Formability & Processability: HRPO offers superior bending, stamping, roll-forming, and welding performance, making it ideal for automotive, appliance, machinery, and fabrication applications.

3

Cost-Effective Alternative to Cold Rolled Steel: Combining the strength of hot rolled steel with enhanced surface quality, HRPO delivers reliable performance at a lower cost than cold rolled steel.


Parameter of Hot Rolled Pickled & Oiled Steel


Standard

JIS / EN / ASTM / GB Standard

Grades

SPHC/SPHD/SPHE/SPHF + PO (compressor & cold forming)
DD11/DD12/DD13/DD14+ PO (cold forming & stamping)
SS400/490/540, S235/275/355 + PO (general structural grades)
QStE340TM–700TM, S355MC–S700MC + PO (HSLA)
SAPH 310-440, SPFH 490-590 + PO (Automotive structural grades)
510L/610L/700L + PO (Automotive beam grades)
SW400-590CL + PO (Automotive wheel grades)
DP600, DP780, FB590, FB780, HR800CP + PO (AHSS)

Sizes

Thickness: 1.2mm-15mm Width: 900mm-1680mm

Coil WeightUp to 30MT
Coil ID610 / 760mm

Surface Condition

PO / PDO



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