Chinalcometal

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

ParameterCapability
Maximum Width1000 – 3800 mm
Maximum Length1000 – 15000 mm
Thickness6 – 200 mm
GradeCu-OF (C10200), Cu-ETP (C11000)

CuCrZr, CuNi, High-Strength Cu

Mechanical & Electrical Properties

Material GradeYield Strength (MPa)Tensile Strength (MPa)Elongation (%)Hardness (HB)Electrical Conductivity (%IACS)Thermal Conductivity (W/m·K)
Cu-OF (C10200)≥ 70220 – 260≥ 3550 – 65≥ 101390
Cu-ETP (C11000)≥ 70210 – 250≥ 3045 – 65≥ 100390
CuCrZr300 – 450380 – 52010 – 20110 – 15075 – 85320 – 340
CuNi (90/10)130 – 160300 – 360≥ 3090 – 11020 – 2550 – 60
High-Strength Copper Alloy350 – 550450 – 6508 – 15130 – 18060 – 85280 – 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:

  1. Material selection assistance by application

  2. Custom alloy development

  3. EN / ASTM certified Mill Test Certificates

  4. Precision thickness & flatness control across 3.8 m width




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