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Technical Specifications
Product Overview
Hot Rolled Steel Plate is manufactured through hot rolling process where steel is heated above its recrystallization temperature and then rolled to achieve desired thickness. This process provides excellent mechanical properties and cost-effective solution for structural and general engineering applications.
Key Features:
- Excellent strength-to-weight ratio
- Good weldability and machinability
- Cost-effective for large structural applications
- Wide range of thickness and size availability
- Suitable for various fabrication processes
Manufacturing Process: Hot rolled using controlled rolling technology with precise temperature control, ensuring consistent mechanical properties and dimensional accuracy throughout the plate.
Applications: Structural construction, shipbuilding, pressure vessels, general fabrication, machinery components, bridges, buildings, and heavy equipment manufacturing.
🧪 Chemical Composition
| Element | Min % | Max % | Typical % | ASTM A36 Requirement |
|---|---|---|---|---|
| Carbon (C) | - | 0.26 | 0.18 | ≤ 0.26 |
| Manganese (Mn) | 0.80 | 1.20 | 0.95 | 0.80-1.20 |
| Silicon (Si) | 0.15 | 0.40 | 0.25 | 0.15-0.40 |
| Phosphorus (P) | - | 0.040 | 0.025 | ≤ 0.040 |
| Sulfur (S) | - | 0.050 | 0.030 | ≤ 0.050 |
| Copper (Cu) | - | 0.20 | 0.12 | ≤ 0.20 |
| Nickel (Ni) | - | 0.20 | 0.08 | ≤ 0.20 |
| Chromium (Cr) | - | 0.20 | 0.10 | ≤ 0.20 |
| Iron (Fe) | Balance | Balance | 98.2 | Balance |
⚙️ Mechanical Properties
| Property | ASTM Requirement | Typical Value | Test Method | Temperature |
|---|---|---|---|---|
| Tensile Strength | 400-550 MPa | 485 MPa | ASTM A370 | Room Temp |
| Yield Strength | 250 MPa min | 275 MPa | ASTM A370 | Room Temp |
| Elongation | 20% min | 26% | ASTM A370 | Room Temp |
| Hardness (Brinell) | - | 140-180 HB | ASTM E10 | Room Temp |
| Hardness (Rockwell B) | - | 75-85 HRB | ASTM E18 | Room Temp |
| Modulus of Elasticity | - | 200 GPa | ASTM E111 | Room Temp |
| Impact Energy (Charpy V) | - | 80-120 J | ASTM E23 | Room Temp |
🔬 Physical Properties
| Property | Value | Unit | Temperature | Test Standard |
|---|---|---|---|---|
| Density | 7.85 | g/cm3 | 20°C | ASTM B311 |
| Melting Point | 1510-1540 | °C | - | DSC Analysis |
| Thermal Conductivity | 50-60 | W/m·K | 100°C | ASTM E1461 |
| Specific Heat | 460 | J/kg·K | 0-100°C | ASTM C351 |
| Linear Expansion | 11.7 | μm/m·K | 0-100°C | ASTM E228 |
| Electrical Resistivity | 170-200 | n|°¤m | 20°C | ASTM B193 |
| Magnetic Permeability | High | μ/μ₀ | Room Temp | ASTM A342 |
| Curie Temperature | 770 | °C | - | Ferromagnetic |
📏 Product Specifications
| Specification | Available Range | Standard Size | Custom Available | Tolerance |
|---|---|---|---|---|
| Thickness | 3mm - 200mm | 6-50mm | Yes | ±0.3mm |
| Width | 1000mm - 3500mm | 1500-2000mm | Yes | ±5mm |
| Length | 2000mm - 12000mm | 6000mm | Yes | +50mm/-0mm |
| Surface Finish | Mill Scale, Pickled, Shot Blast | Mill Scale | Yes | Ra ≤ 12.5μm |
| Edge Condition | Mill Edge, Sheared, Flame Cut | Mill Edge | Yes | ASTM standard |
| Flatness | Class A, B, C | Class B | Yes | ASTM A6 |
| Standards Compliance | ASTM A36, A572, A514 | A36 | Multiple | Full compliance |
| Heat Treatment | As Rolled, Normalized | As Rolled | Yes | ASTM A6 |
| Test Certificate | Mill TC, EN 10204 3.1 | Mill TC | Yes | Standard |
| Packaging | Bundles, Crates, Loose | Bundles | Custom | Export standard |
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Our Advantages in Processing Warmgewalztes Stahlblech
High Temperature Processing
Rolling steel at temperatures above 1700°F enables optimal malleability and formability, allowing for efficient shaping of large plates while maintaining consistent material properties throughout the entire piece. This high-temperature process reduces the energy required for deformation.
Efficient Single-Pass Formation
Hot rolling allows for significant size reduction in a single pass, making it possible to process large steel sections quickly and efficiently. This results in higher production rates and lower manufacturing costs compared to cold rolling processes.
Enhanced Material Strength
The hot rolling process refines the steel's grain structure during recrystallization, leading to improved mechanical properties and uniform strength distribution across the plate. This results in better structural integrity for heavy-duty applications.
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