Cold Rolled Carbon Steel Mild Sheet
Cold rolled sheet is a type of metal sheet obtained by cold working metal materials at room temperature.The production process of cold-rolled sheet mainly includes raw material processing, continuous annealing, cold rolling, tempering and other steps, which can effectively improve the mechanical properties and surface quality of metal materials.
Cold Rolled Carbon Steel Mild Sheet
Cold rolled sheet is a type of metal sheet obtained by cold working metal materials at room temperature. The production process of cold-rolled sheet mainly includes raw material processing, continuous annealing, cold rolling, tempering, and other steps, which can effectively improve the mechanical properties and surface quality of metal materials.
Cold rolled sheet has many advantages, among which the most significant are its smooth surface, accurate size, stable mechanical properties, and good corrosion resistance.
Therefore, cold-rolled sheet has a wide range of applications in aerospace, automotive manufacturing, construction engineering, electronic products, and other fields.
In the future, with the continuous advancement of technology and the upgrading of equipment, the production process of cold-rolled sheets will become more precise and automated, and production efficiency and quality will also be further improved.
Due to the important position of cold-rolled sheet in modern industrial production, its development prospects are very broad.
Cold rolled carbon steel mild sheet, abbrolled carbon steel mild sheet, ned through the cold rolling process and not only has excellent thickness accuracy, but also exhibits a smooth and beautiful surface.
Its performance characteristics include high strength, wear resistance, corrosion resistance, and good processing performance.
In addition, cold-rolled steel plates also have excellent surface treatment capabilities, which can meet the manufacturing needs of various complex components.
1. High hardness characteristics: Cold rolled steel plates have not undergone annealing treatment; therefore, they have high hardness.
2. Relatively poor mechanical processing performance: Compared with hot-rolled steel plates, cold-rolled steel plates have more precise thickness and present a smooth and beautiful surface. However, this also results in slightly inferior mechanical processing performance compared to hot-rolled steel plates.
| Comparison Point | Cold-Rolled Steel (CRS) | Hot-Rolled Steel (HRS) | CRS Advantage |
|---|---|---|---|
| Surface Quality | Mirror-like finish (Ra < 0.8μm) | Rough, oxidized surface (Ra > 6.3μm) | Ready for painting/plating without additional finishing |
| Dimensional Control | ±0.1mm tolerance | ±0.5mm tolerance | 5x more precise for critical applications |
| Yield Strength | 280-550 MPa (30-50% higher) | 250-400 MPa | Better structural performance at the same thickness |
| Thickness Range | 0.2-3.0mm (thinner options) | 1.2-25mm (limited below 1mm) | Enables lightweight designs |
| Formability | Excellent for deep drawing (r-value >1.5) | Prone to cracking in complex bends | Better for intricate stampings |
| Edge Condition | Clean, burr-free edges | Rough, uneven edges | Safer handling, better weld quality |
| Consistency | Uniform microstructure throughout | Variable grain structure | More predictable machining results |
| Post-Processing | Directly paintable/coatable | Requires pickling/grinding first | Saves 15-20% in finishing costs |
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Various application scenarios
1. Automobile manufacturing: body panels, chassis parts (high-strength cold-rolled sheets).
2. Home appliances: refrigerator shell, washing machine inner cylinder (galvanized sheet rust-proof).
3. Architecture: Light steel keel, decorative panel (used after surface spraying).
4. Electronics: chassis, shielding cover (precision stamping).
5. Packaging: cans, metal containers (ultra-thin cold-rolled sheet).
Packaging Specifications
1. Bundling Method:
- For plates weighing under 1 ton: Securely bundled with 2-4 steel straps for optimal protection during transit.
- For plates weighing over 1 ton: Individually packed to ensure safe handling and transportation.
2. Container Loading Specifications:
- 20ft Container Capacity:
- Maximum width: 2,300mm
- Maximum length: 6,000mm
- 40ft Container Capacity:
- Maximum width: 2,300mm
- Maximum length: 12,000mm
3. Bulk Vessel Shipping:
- Cost-effective solution with significantly lower freight charges compared to container shipping.
- Ideal for oversized/heavy plates exceeding container dimensions or weight limits.
- Capable of handling non-containerizable large-scale shipments.
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