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Hot Rolled Pickled and Oiled (HRPO) Steel Sheets feature a clean, scale-free surface produced through pickling and protected with a light oil coating. They are widely used in fabrication, welding, forming, and industrial manufacturing applications where a cleaner surface than conventional hot rolled steel is preferred.

Product Overview

Hot Rolled Pickled and Oiled (HRPO) Steel Sheets are manufactured from hot rolled steel through a pickling process that removes mill scale and surface oxides. After pickling, a light protective oil coating is applied to help reduce the risk of surface rust during storage and transportation before further processing.

Compared with conventional hot rolled steel, HRPO steel offers a cleaner surface that can help simplify downstream manufacturing processes such as cutting, bending, welding, painting, and coating. It is commonly selected for applications where surface cleanliness is important while maintaining the mechanical characteristics of hot rolled steel.

HRPO steel sheets are widely used across manufacturing, construction equipment, agricultural machinery, automotive components, storage systems, and general fabrication industries.

Key Features

Clean Surface
The pickling process removes mill scale and surface oxides, providing a cleaner surface for subsequent fabrication and finishing processes.

Reduced Surface Preparation
The clean surface helps reduce additional preparation before welding, painting, or coating.

Good Fabrication Performance
Suitable for common fabrication processes such as cutting, bending, forming, punching, and welding, depending on the selected steel grade.

Temporary Surface Protection
A light oil coating helps reduce the risk of surface rust during storage and transportation before processing.

Suitable for Further Processing
The clean surface makes HRPO steel suitable for a wide range of manufacturing operations including welding, coating, and fabrication.

Product Specifications

Item	Description
Product	Hot Rolled Pickled and Oiled Steel Sheets
Thickness	According to order requirements
Width	According to order requirements
Length	According to order requirements
Surface Condition	Pickled and Oiled
Edge Condition	Mill Edge (ME) or Slit Edge (SE), subject to supply conditions
Supply Form	Sheet

Manufacturing Process

Steel Making
Steel is produced through conventional steelmaking processes to meet the required chemical composition.

Hot Rolling
Steel slabs are rolled at elevated temperatures to achieve the required dimensions.

Pickling
The steel passes through an acid pickling process to remove mill scale and surface oxides, producing a clean surface suitable for further processing.

Oil Coating
A light protective oil coating is applied after pickling to help reduce the risk of surface rust during storage and transportation.

Inspection
Products are inspected according to applicable specifications before shipment.

Packing
Finished products are prepared using suitable export packaging methods for transportation and handling.

Typical Applications

Automotive Components
Commonly used for chassis parts, brackets, reinforcement members, and fabricated structural components requiring welding or coating.

Agricultural Machinery
Suitable for machine frames, guards, supports, and fabricated steel components.

Construction Equipment
Used for structural components requiring cutting, bending, and welding.

Storage Systems
Applied in shelving, warehouse racks, and storage equipment.

Industrial Equipment
Suitable for machine frames, cabinets, support structures, and general steel fabrication.

Packaging for Export

Products are prepared for export using packaging methods suitable for international transportation.
Typical packaging may include:

Steel strapping
Waterproof wrapping materials
Protective packing materials where applicable
Palletized packing where applicable

Quality Control

Quality inspections are carried out according to applicable product specifications and agreed order requirements.
Inspection may include:

Surface inspection
Dimensional inspection
Chemical composition verification (where applicable)
Mechanical property verification (where applicable)

Ordering Information

To help prepare an accurate quotation, buyers are encouraged to provide the following information:

Product name
Steel grade (if specified)
Thickness
Width
Length
Quantity
Processing requirements (if applicable)
Destination port or delivery location

FAQ

Q: What is Hot Rolled Pickled and Oiled (HRPO) Steel Sheet?

A: Hot Rolled Pickled and Oiled (HRPO) Steel Sheet is hot rolled steel that has undergone a pickling process to remove mill scale and surface oxides. After pickling, a light oil coating is applied to help reduce the risk of surface rust during storage and transportation before further processing.

Q: What are the advantages of HRPO steel compared with conventional hot rolled steel?

A: HRPO steel has a cleaner surface because the pickling process removes mill scale and surface oxides. This helps reduce additional surface preparation before welding, painting, or coating.

Q: What industries commonly use HRPO steel sheets?

A: HRPO steel sheets are widely used in automotive components, agricultural machinery, construction equipment, storage systems, industrial equipment, and general fabrication.

Q: Can HRPO steel be welded?

A: Yes. HRPO steel is commonly used for welded components. The clean surface helps reduce the need for scale removal before welding.

Q: Can HRPO steel be painted or coated?

A: Yes. After appropriate surface preparation, HRPO steel provides a suitable surface for painting, powder coating, or other finishing processes.

Q: How should HRPO steel be stored?

A: HRPO steel should be stored in a clean, dry, and well-ventilated environment. The protective oil coating provides temporary protection during storage and transportation, but prolonged exposure to moisture should be avoided.

Q: Can custom dimensions be supplied?

A: Dimensions and specifications can be supplied according to agreed order requirements, subject to production capability and applicable production standards.

Q: What information is required for a quotation?

A: To prepare an accurate quotation, buyers are encouraged to provide the steel grade (if specified), dimensions, quantity, processing requirements (if applicable), and destination port or delivery location.

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