Steel Slabs
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Product Description
Steel slabs are fundamental to the steel manufacturing process, serving as the semi-finished base for producing a wide range of flat steel products, including plates, sheets, and coils. These slabs are manufactured using advanced continuous casting and hot rolling processes, ensuring superior quality, precise dimensions, and adaptability to diverse industrial needs. Below is a detailed and professional overview of steel slabs.
Key Features
| Feature | Details |
| Shape and Dimensions | Rectangular, customizable sizes |
| Length | 6 to 12 meters |
| Width | 800 to 2200 mm |
| Thickness | 150 to 300 mm |
| Average Weight | 5 to 30 tons |
| Production Process | Continuous Casting and Hot Rolling |
| Application | Base material for flat steel products |
Global Standards for Steel Slabs
Steel slabs must conform to internationally recognized standards to ensure compatibility with industrial requirements and global projects.
| Standard | Region | Application |
| EN 10025 | Europe | Structural steel ensuring mechanical performance |
| ASTM A36/A572 | United States | Carbon structural steel for construction and machinery |
| JIS G3101 | Japan | General structural steel for bridges and frameworks |
| API 5L | Global | Steel used in pipelines for oil and gas |
| DNV-GL | Marine Industry | Standards for shipbuilding and offshore structures |
Production Process of Steel Slabs
- Continuous Casting:
- Molten steel is poured into specialized molds and continuously solidified into slabs.
- This process ensures high productivity, minimal defects, and dimensional precision.
- Hot Rolling:
- Slabs are reheated and rolled to optimize dimensions and mechanical properties.
- This step enhances surface quality and internal structure.
Chemical Composition of Steel Slabs (Example: S355J2 Grade)
| Element | Max Weight % | Purpose |
| Carbon (C) | 0.20 | Enhances strength and hardness |
| Silicon (Si) | 0.55 | Improves resistance to oxidation |
| Manganese (Mn) | 1.70 | Increases load-bearing capacity |
| Phosphorus (P) | 0.025 | Limits brittleness |
| Sulfur (S) | 0.025 | Reduces brittleness |
| Chromium (Cr) | 1.00 | Adds corrosion resistance |
Mechanical Properties of Steel Slabs
| Mechanical Property | Value | Standard |
| Tensile Strength (UTS) | 470-630 MPa | EN 10025, ASTM A36 |
| Yield Strength | ≥355 MPa | JIS G3101 |
| Elongation | ≥20% | ISO 6892 |
| Hardness | 140-190 HB | Brinell Hardness Scale |
| Impact Toughness | ≥27 Joules @ -20°C | Charpy Test Standard |
Standard Dimensions of Steel Slabs
| Length (m) | Width (mm) | Thickness (mm) | Approx. Weight (tons) |
| 6 | 800 | 150 | 5.6 |
| 9 | 1200 | 200 | 14.4 |
| 12 | 2000 | 300 | 28.8 |
Applications of Steel Slabs Across Industries
| Industry | Applications | Final Product Specifications |
| Construction | Steel frameworks, bridges, high-rise buildings | Plates: Thickness 6-50 mm |
| Automotive | Car body panels, structural components | Sheets: Thickness 0.5-2 mm |
| Energy | Oil and gas pipelines, storage tanks | Coils: Thickness 1-16 mm |
| Shipbuilding | Hulls, walls, offshore structures | Heavy plates: Thickness 10-150 mm |
| Mining | Wear-resistant plates for heavy machinery | Abrasion-resistant grades |
Advantages of Steel Slabs
- Consistent Quality:
Advanced production processes ensure uniform surface and internal quality. - High Versatility:
Suitable for transforming into various flat steel products across industries. - Durability and Strength:
Perfect for demanding industrial environments and heavy loads. - Cost-Effectiveness:
Mass production and easy storage reduce manufacturing costs.
Why Choose Rosha Steel?
Rosha Steel provides premium-quality steel slabs that meet international standards and cater to diverse industrial needs. Our advantages include:
- Certified Quality:
All slabs conform to global standards like EN, ASTM, and JIS. - Customizable Dimensions:
Tailor-made sizes to suit specific project requirements. - Global Compatibility:
Products align with the demands of international projects. - Expert Team:
Professional consultations to help you choose the best slab specifications.
Enhance Your Projects with Rosha Steel
At Rosha Steel, we are committed to delivering top-tier steel slabs that guarantee the quality and success of your projects. Whether for construction, automotive, shipbuilding, or energy industries, our slabs form the foundation of your success.