3.8m Large Copper Plate Sheet EN ASTM Standard Extra-Wide
SHENZHEN CHINALCOMETAL offer 3.8m large copper plate with length up to 15m and thickness up to 200mm. EN & ASTM compliant copper plates for energy, chemical, marine, and industrial applications.
EN 1652 – Copper and copper alloys plates, sheets, and strips
EN 1976 – Wrought copper products
EN 10204 – 3.1 Mill Test Certificate
ASTM B152 / B152M – Copper sheet, strip, plate
ASTM B370 – Copper plate for pressure applications
ASTM B171 – Copper-nickel plate (if applicable)
Specifications of Large Copper Plate
| Parameter | Capability |
|---|---|
| Maximum Width | 1000 – 3800 mm |
| Maximum Length | 1000 – 15000 mm |
| Thickness | 6 – 200 mm |
| Grade | Cu-OF (C10200), Cu-ETP (C11000) |
| CuCrZr, CuNi, High-Strength Cu |
Mechanical & Electrical Properties
| Material Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Hardness (HB) | Electrical Conductivity (%IACS) | Thermal Conductivity (W/m·K) |
|---|---|---|---|---|---|---|
| Cu-OF (C10200) | ≥ 70 | 220 – 260 | ≥ 35 | 50 – 65 | ≥ 101 | 390 |
| Cu-ETP (C11000) | ≥ 70 | 210 – 250 | ≥ 30 | 45 – 65 | ≥ 100 | 390 |
| CuCrZr | 300 – 450 | 380 – 520 | 10 – 20 | 110 – 150 | 75 – 85 | 320 – 340 |
| CuNi (90/10) | 130 – 160 | 300 – 360 | ≥ 30 | 90 – 110 | 20 – 25 | 50 – 60 |
| High-Strength Copper Alloy | 350 – 550 | 450 – 650 | 8 – 15 | 130 – 180 | 60 – 85 | 280 – 340 |
Key Advantages of Large Copper Plate (3.8 m)
Ultra-Wide Single-Piece Design
Reduces welding seams
Improves structural integrity
Enhances electrical and thermal continuity
Superior Mechanical Performance
High strength combined with excellent ductility
Stable mechanical properties across ultra-wide sections
Outstanding Corrosion Resistance
Ideal for harsh environments, marine, and chemical exposure
Long service life with low maintenance
High Dimensional Accuracy
Advanced wide-plate rolling and seven-roll leveling
Flatness and thickness consistency at international advanced levels
Excellent Thermal & Electrical Conductivity
Suitable for power, energy, and heat-transfer systems
Industry Selection Guide – Large Extra-Wide Copper Plates (Up to 3.8 m)
Power & Electrical Industry
Recommended Materials
Cu-OF (C10200)
Cu-ETP (C11000)
CuCrZr (for high-current + mechanical load)
Typical Applications
Power bus plates and busbars
Transformer plates and windings
Grounding and earthing systems
Substation conductive plates
High-current distribution systems
Chemical & Petrochemical Industry
Recommended Materials
CuNi alloys (90/10, 70/30)
CuCrZr
Corrosion-resistant copper alloys
Typical Applications
Heat exchanger plates
Reactor and vessel linings
Chemical processing equipment
Condenser plates
Pressure-resistant structural components
Marine & Offshore Industry
Recommended Materials
CuNi alloys
High-strength copper alloys
CuCrZr (for structural + conductive parts)
Typical Applications
Marine structural plates
Offshore platform components
Seawater cooling systems
Shipboard electrical plates
Hybrid mechanical-electrical structures
The 3.8-meter extra-wide copper plate represents a major technological breakthrough in the field of non-ferrous special materials. Manufactured from premium copper and copper-alloy substrates, this product is produced using a 3.8 m wide heavy rolling mill combined with seven-roll precision leveling, ensuring exceptional flatness, dimensional accuracy, and mechanical performance.
Our extra-wide copper plates can be supplied with:
Material selection assistance by application
Custom alloy development
EN / ASTM certified Mill Test Certificates
Precision thickness & flatness control across 3.8 m width

