Steel Rolling Mill Production Line with PLC Control, Customizable Dimensions and 30 Tons/Hour Capacity
Steel is an iron-carbon alloy with carbon content typically ranging from 0.02% to 2.06% by mass. Prior to the invention of the Bessemer process in the 19th century, steel production remained a costly and inefficient endeavor. Today, steel has evolved into one of the most widely used materials globally, offering an optimal balance of affordability, strength and reliability. It serves as an indispensable foundation for construction infrastructure, industrial manufacturing, transportation networks and everyday household applications.
JEFFER Engineering and Technology Co., Ltd. possesses comprehensive, integrated design and engineering capabilities for steel production facilities. Our service portfolio spans the entire project lifecycle, including preliminary consulting, plant master planning, process design, complete equipment supply, project management, production technology support and operational guidance. We tailor our offerings to accommodate each client's specific investment scale, technical requirements and local conditions.
Our areas of expertise and proven excellence encompass the following domains:
- Engineering consulting and feasibility studies
- Full-site master planning and civil infrastructure design
- Raw material handling and beneficiation workshops
- Steelmaking systems (Electric Arc Furnaces, Vacuum Degassing Furnaces)
- Continuous Casting Machines (CCM) and rolling equipment
- Automation system integration and process control
- Industrial water treatment and circulation systems
- Plant buildings, utilities and gas storage facilities
With extensive experience in both greenfield projects and existing line upgrades, JEFFER delivers reliable, cost-effective solutions that meet international standards while adapting to local operational environments.
The complete steel manufacturing process follows a systematic sequence from raw material extraction to finished product delivery. Below is the standard process flow:
| Stage | Process Step | Description |
|---|---|---|
| 1 | Mining | Extraction of iron ore from deposits through open-pit or underground operations |
| 2 | Mineral Processing | Crushing, grinding and beneficiation to upgrade ore grade and remove impurities |
| 3 | Sintering/Pelletizing | Agglomeration of fine ores and additives into sinter or pellets for blast furnace feed |
| 4 | Ironmaking | Reduction of iron oxides in a blast furnace to produce molten pig iron |
| 5 | Steelmaking | Refining molten iron in EAF or BOF to adjust carbon content and remove impurities |
| 6 | Continuous Casting | Solidifying molten steel into semi-finished shapes (billets, blooms or slabs) |
| 7 | Hot Rolling | Reheating and rolling cast products into desired shapes at elevated temperatures |
| 8 | Cold Rolling | Further reducing thickness and improving surface finish at room temperature |
| 9 | Finished Products | Final inspection, cutting, packaging and delivery of qualified steel products |
JEFFER provides fully integrated solutions covering each stage of this production chain. Depending on client requirements, we can supply individual equipment modules, complete rolling mill lines, or full-scale turnkey steel plants from raw material yard to finished goods warehouse.
The rolling mill production line is designed for medium-capacity operations, suitable for regional steel suppliers and emerging industrial markets. Key equipment and systems include:
- Reheating Furnace: Walking-beam or pusher-type furnace for uniform billet heating prior to rolling
- Roughing Mill Stands: Heavy-duty breakdown mills for initial reduction of cast sections
- Intermediate Mill Stands: Multi-stand configurations for progressive section reduction
- Finishing Mill Stands: Precision stands for final dimensional control and surface quality
- Cooling Bed: Controlled cooling system for product straightness and metallurgical properties
- Shearing and Cutting Equipment: Crop shears, dividing shears and cold saws for length cutting
- Straightening Machines: Roller or press straighteners for product flatness correction
- Packing and Bundling Systems: Automatic or semi-automatic units for finished product packaging
All equipment is engineered for durability, ease of maintenance and operational safety, with optional automation upgrades available to enhance productivity and reduce manpower requirements.
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