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High Conductivity Copper Strips for Electrical, Industrial & Earthing Applications
Product Overview
Copper Strips manufactured by R V Metal Corporation are engineered for high electrical conductivity, excellent formability, and superior corrosion resistance. Produced from premium-grade electrolytic copper, these strips ensure consistent performance across electrical, industrial, automotive, HVAC, and earthing applications. Their uniform thickness, tight dimensional control, and smooth surface finish make them suitable for precision components such as switchgear busbars, transformer windings, electrical terminals, conductive shunts, and power distribution assemblies. With customizable widths, tempers, edge profiles, and coil forms, our copper strips meet the stringent requirements of OEMs, panel builders, and engineering projects demanding long-term reliability and stable current-carrying capability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Material Grade | ETP Copper (C11000), DHP Copper (C12200), DLP Copper (C12000) – as per requirement |
| Product Form | Coils, Straight Strips, Pancake Rolls, Edge-Finished Strips |
| Width Range | 5 mm to 500 mm (Custom widths available up to 750 mm) |
| Thickness Range | 0.10 mm to 10 mm |
| Temper Options | Soft (Annealed), Half Hard, Hard, Spring Temper |
| Surface Finish | Bright, Matte, Polished, Brushed, Mill Finish |
| Edge Condition | Slit Edge, Deburred Edge, Rounded Edge, Square Edge |
| Electrical Conductivity | > 97% IACS (ETP), 85–90% IACS (DHP) |
| Density | 8.90 g/cm³ |
| Standard Length / Coil Form | Coils up to 5–100 kg, Sheets in cut-to-size lengths |
| Tolerance (Width) | ±0.10 mm to ±0.50 mm (depending on size) |
| Tolerance (Thickness) | ±0.02 mm to ±0.10 mm |
| Applications | Busbars, Transformer Windings, Switchgear, Electrical Contacts, Earthing Strips, Automotive Components |
Chemical Composition
| Grade | UNS No. | Copper (Cu) | Oxygen (O) | Phosphorus (P) | Other Impurities |
|---|---|---|---|---|---|
| ETP Copper | C11000 | ≥ 99.90% | 0.02–0.04% | ≤ 0.0005% | Total ≤ 0.03% |
| DHP Copper | C12200 | ≥ 99.90% | ≤ 0.015% | 0.015–0.040% | Total ≤ 0.03% |
| DLP Copper | C12000 | ≥ 99.90% | ≤ 0.010% | 0.004–0.012% | Total ≤ 0.03% |
UNS Codes & Grades
| Copper Grade | UNS Number | Common Name | Temper Availability | Typical Applications |
|---|---|---|---|---|
| ETP Copper | C11000 | Electrolytic Tough Pitch Copper | Soft (O), Half-Hard (H02), Hard (H04), Extra Hard (H08) | Electrical conductors, busbars, transformers, switchgear, earthing strips |
| DHP Copper | C12200 | Deoxidized High Phosphorus Copper | O60 (Annealed), H55 (Half Hard), H85 (Hard) | HVAC, plumbing, solar, heat exchangers, bending & flaring applications |
| DLP Copper | C12000 | Deoxidized Low Phosphorus Copper | O60, H55, H85 | Brazing, welding, electrical components, forming operations |
| Oxygen-Free Copper | C10200 | Oxygen Free High Conductivity (OFHC) | O50, O60 | High-end electronics, vacuum applications, semiconductor equipment |
| Oxygen-Free Electronic Copper | C10300 | OFE Grade Copper | O50, O60 | Aerospace, medical devices, precision electrical systems |
Mechanical, Physical & Fabrication Properties
| Property | C11000 (ETP Copper) | C12200 (DHP Copper) | C12000 (DLP Copper) | C10200 (OFHC Copper) |
|---|---|---|---|---|
| Tensile Strength (MPa) | 205 – 250 (Depends on temper) | 200 – 250 | 200 – 240 | 200 – 250 |
| Yield Strength (MPa) | 60 – 90 (Annealed) | 60 – 90 | 65 – 95 | 55 – 85 |
| Elongation (%) | 30 – 45% | 35 – 45% | 35 – 45% | 35 – 50% |
| Hardness (HV) | 45 – 100 (Temper-dependent) | 45 – 90 | 45 – 90 | 40 – 80 |
| Electrical Conductivity (% IACS) | 101% IACS | 85–90% IACS | 95% IACS | 101% IACS |
| Thermal Conductivity (W/m·K) | 390 | 330 | 350 | 400 |
| Melting Point (°C) | 1083°C | 1083°C | 1083°C | 1083°C |
| Density (g/cm³) | 8.94 | 8.90 | 8.92 | 8.94 |
| Weldability | Good (Not for reducing atmospheres) | Excellent (Preferred for brazing) | Excellent | Good |
| Brazing | Excellent | Excellent | Excellent | Good |
| Formability | Excellent (O, H02) | Excellent | Excellent | Excellent |
| Machinability | 20% | 25% | 30% | 20% |
Common Names & International Identifiers
| Grade | Common Names | International Identifiers | Industry Usage Names |
|---|---|---|---|
| C11000 (ETP Copper) |
• Electrolytic Tough Pitch Copper • High Conductivity Copper • ETP Strip / HC Copper Strip |
UNS: C11000 ISO: Cu-ETP EN: CW004A JIS: C1100 |
• Electrical Copper Strip • Conductivity Copper • Busbar Strip / Earthing Strip |
| C12200 (DHP Copper) |
• Deoxidized High Phosphorus Copper • DHP Copper Strip • Plumbing Grade Copper Strip |
UNS: C12200 ISO: Cu-DHP EN: CW024A JIS: C1220 |
• HVAC & Refrigeration Strip • Plumbing Strip • Fabrication Copper Strip |
| C12000 (DLP Copper) |
• Deoxidized Low Phosphorus Copper • DLP Copper Strip |
UNS: C12000 ISO: Cu-DLP EN: CW023A |
• General Engineering Strip • Forming-Grade Copper Strip |
| C10200 (OFHC Copper) |
• Oxygen-Free High Conductivity Copper • OFHC Copper Strip |
UNS: C10200 ISO: Cu-OF EN: CW008A JIS: C1020 |
• Semiconductor Copper Strip • High-Purity Electrical Strip |
| C10300 (OF Copper) |
• Oxygen-Free Copper • High Purity Copper Strip |
UNS: C10300 ISO: Cu-OF1 EN: CW009A |
• Vacuum Applications • Cryogenic Equipment |
Standards & International Equivalents
| Grade | ASTM Standards | EN / ISO Standards | JIS / BS / Other Standards |
|---|---|---|---|
| C11000 (ETP Copper) |
ASTM B152 – Copper Sheet, Strip & Plate ASTM B170 – Oxygen-Free & ETP Copper Rod ASTM B48 – General Copper Strip Specification |
EN 1652 – Copper Plate, Sheet & Strip EN 13599 – Wrought Copper for Electrical Purposes ISO 1634-1 – Wrought Copper Materials |
JIS H3100 – C1100 Copper Strip BS EN 1652 – Copper Strip for Electrical Use |
| C12200 (DHP Copper) |
ASTM B152 – Copper Strip ASTM B75 – Seamless Copper Tube (Reference for DHP) ASTM B280 – HVAC Grade Copper Tube (Alloy Requirement) |
EN 1652 – Cu-DHP Strip EN 1057 – Plumbing Copper (Reference for Alloy Composition) |
JIS H3300 – C1220 Copper BS EN 1057 – Cu-DHP (Tube Standard, Alloy Specs Apply) |
| C12000 (DLP Copper) |
ASTM B152 – Copper Strip ASTM B75 – Reference for Deoxidized Copper Composition |
EN 1652 – CW023A (Cu-DLP) ISO 1634 – Deoxidized Copper |
JIS H3300 – C1201 (Equivalent) BS 2870 – Copper Strip (Historical Equivalent) |
| C10200 (OFHC Copper) |
ASTM B152 – OFHC Strip ASTM B170 – High Conductivity Copper Rod ASTM B187 – Bar, Rod & Shape for OFHC |
EN 1976 – High Conductivity Copper EN 13599 – OFHC Electrical Copper |
JIS H3100 – C1020 ISO 1634-1 – High Conductivity Copper |
| C10300 (OF Copper) |
ASTM B152 – High-Purity OF Copper Strip ASTM B170 – Oxygen-Free Copper |
EN 1976 – CW009A (OF1) ISO 1634 – High-Purity Copper |
JIS H3100 – High-Purity Copper (Closest Equivalent) |
Applications
| Application Category | Typical Uses | Grades Commonly Used |
|---|---|---|
| Electrical & Power Distribution | Busbars, transformer windings, switchgear parts, earthing strips, electrical connectors, copper laminations, motor windings. | C11000 (ETP), C10200 (OFHC), C10300 |
| Electronics & Precision Components | PCB terminals, semiconductor components, heat sinks, battery connectors, high-conductivity micro-strips. | C11000, C10200, C10300 |
| HVAC & Refrigeration | Expansion joints, fin supports, compressor connection parts, thermal plates and heat exchanger components. | C12200 (DHP), C11000 |
| Automotive & EV Industry | EV busbars, battery modules, radiator components, braking and fuel line connectors. | C11000, C10200 |
| Industrial & General Engineering | Gaskets, washers, stamped parts, transformer clamps, industrial switchgear, fabrication components. | C11000, C12200, C12000 |
| Solar & Renewable Energy Systems | Solar bus ribbons, thermal collector plates, solar heaters, inverter connectors. | C11000, C10200 |
| Architecture & Construction | Roofing strips, flashing, decorative elements, façade claddings, lightning protection strips. | C11000, C12200 |
| Plumbing, Earthing & Safety Systems | Earthing straps, bonding strips, conductive joints, water distribution connectors. | C12200 (DHP), C11000 |
Standard Copper Strips Dimensional Chart
| Thickness (mm) | Width (mm) | Cross-Sectional Area (mm²) | Theoretical Weight (kg/m) | Applicable Grades |
|---|---|---|---|---|
| 0.50 | 10 – 300 | 5 – 150 | 0.0445 – 1.335 | C11000 (ETP), C12200 (DHP), C10200 (OFHC) |
| 0.70 | 10 – 300 | 7 – 210 | 0.0623 – 1.867 | C11000, C12200 |
| 1.00 | 10 – 300 | 10 – 300 | 0.0890 – 2.670 | C11000, C10200, C12200 |
| 1.50 | 10 – 300 | 15 – 450 | 0.1335 – 4.005 | C11000, C10200 |
| 2.00 | 10 – 300 | 20 – 600 | 0.1780 – 5.340 | C11000, C12200 |
| 3.00 | 10 – 300 | 30 – 900 | 0.2670 – 8.010 | C11000, C10200 |
| 4.00 | 20 – 300 | 80 – 1200 | 0.3560 – 10.680 | C11000 |
| 5.00 | 20 – 300 | 100 – 1500 | 0.4450 – 13.350 | C11000, C10200 |
| 6.00 | 20 – 300 | 120 – 1800 | 0.5340 – 16.020 | C11000 |
| 8.00 | 25 – 300 | 200 – 2400 | 0.7120 – 21.360 | C11000 (Busbar Grade) |
| 10.00 | 25 – 300 | 250 – 3000 | 0.8900 – 26.700 | C11000 |
| Cross-Section Area (mm²) | Typical Dimensions (mm) | Current-Carrying Capacity (A) | Application Range |
|---|---|---|---|
| 16 | 4 × 4 | 90 – 100 | Control panels, small circuits |
| 25 | 5 × 5 | 125 – 140 | Small distribution boards |
| 35 | 5 × 7 | 160 – 180 | Low-load power circuits |
| 50 | 5 × 10 | 200 – 230 | Light power distribution |
| 70 | 5 × 14 | 260 – 300 | Panels, inverter wiring |
| 95 | 5 × 19 | 330 – 360 | Transformers, switchgear |
| 120 | 6 × 20 | 380 – 420 | EV systems, heavy switchboards |
| 150 | 6 × 25 | 450 – 500 | High-current feeders |
| 185 | 8 × 24 | 520 – 560 | Industrial MCC/PCC |
| 240 | 8 × 30 | 600 – 650 | Large substations |
| 300 | 10 × 30 | 700 – 750 | High-load feeders |
| 400 | 10 × 40 | 850 – 900 | Heavy power distribution |
| 500 | 12 × 42 | 1000 – 1100 | High-capacity busbar trunking |
| 630 | 12 × 52 | 1250 – 1400 | Large power systems, substations |
| Temper | Designation | Hardness (HV) | Tensile Strength (MPa) | Elongation (%) | Typical Applications |
|---|---|---|---|---|---|
| Soft Annealed | O60 | 45 – 65 HV | 200 – 230 MPa | 35 – 45% | Bending, forming, electrical joints, terminals |
| Half Hard | H55 / H80 | 65 – 110 HV | 240 – 300 MPa | 15 – 25% | Busbars, earthing strips, industrial conductors |
| Hard Drawn | H02 / H04 | 110 – 150 HV | 300 – 360 MPa | 5 – 10% | High-strength busbars, switchgear, transformer components |
