Copper Pipes, Tubes, Coils & Fittings
Explore
High-Quality Copper Wire Rods (ETP, DHP, OFHC)
Product Overview
Copper wire rods are the foundational raw material for manufacturing high-conductivity electrical wires, cables, earthing conductors, automotive harnesses, and industrial components. At R V Metal Corporation, our copper wire rods are produced from premium-grade electrolytic copper, ensuring exceptional purity, uniform surface finish, and superior mechanical strength. These rods offer excellent drawability, making them ideal for multi-stage wire drawing processes ranging from fine gauge electrical wires to heavy-duty power distribution cables. With consistent electrical conductivity, controlled oxygen levels, and strict dimensional accuracy, our copper wire rods meet the demanding performance standards of the electrical, automotive, renewable energy, and electronics industries. Designed for maximum reliability and long-term stability, these rods deliver superior performance in high-load and high-temperature applications.
Technical Specifications
| Parameter | Specification | Typical Values |
|---|---|---|
| Grade | Electrolytic Tough Pitch Copper (ETP) / Oxygen-Free Copper (OFHC optional) | C11000 (ETP), C10200 (OFHC) |
| Purity | ≥ 99.90% | 99.95% – 99.99% |
| Oxygen Content | Max 200 ppm (for ETP) | 150–200 ppm |
| Electrical Conductivity | Minimum 100% IACS | 100–102% IACS |
| Diameter | 8 mm / 12.5 mm / 16 mm (as per customer requirement) | Standard: 8 mm |
| Surface Finish | Smooth, bright, oxidation-free | Free from pits, flakes & impurities |
| Tensile Strength | As per ASTM B49 / EN 1977 | 200–240 MPa |
| Elongation | ≥ 30% | 32–38% |
| Resistivity at 20°C | ≤ 1.724 µΩ·cm | 1.710–1.720 µΩ·cm |
| Coil Weight | 100 kg – 3,000 kg (custom options available) | Standard: 1 MT coils |
| Packaging | Steel strapped coils / Wooden pallets | Export-grade wrapping |
Chemical Composition
| Copper Grade | Element | Specified Range (%) | Typical Values (%) |
|---|---|---|---|
| ETP Copper (C11000) | Copper (Cu) | ≥ 99.90% | 99.95 – 99.99% |
| Oxygen (O) | 0.02 – 0.04% | 0.02 – 0.03% | |
| Phosphorus (P) | ≤ 0.003% | 0.001% | |
| Impurities (Ag, Pb, Fe, Ni, Sb) | ≤ 0.03% | ≤ 0.01% | |
| OFHC Copper (C10200) | Copper (Cu) | ≥ 99.95% | 99.99% |
| Oxygen (O) | ≤ 0.001% | 0.0005% | |
| Total Impurities | ≤ 0.05% | ≤ 0.01% |
UNS Codes & Grades
| UNS Code | Grade Name | Description | Typical Applications |
|---|---|---|---|
| C11000 | ETP Copper (Electrolytic Tough Pitch) | High-conductivity copper used globally for wire rod production; oxygen-bearing grade with excellent electrical properties. | Drawing into electrical wires, cables, busbars, power conductors. |
| C10200 | OFHC Copper (Oxygen-Free High Conductivity) | Ultra-pure oxygen-free copper ideal for high-performance electrical applications requiring maximum conductivity. | High-end electronics, automotive wiring, transformers, EV components. |
| C10100 | OFE Copper (Oxygen-Free Electronic) | Highest purity copper grade with extremely low impurity content and best attainable electrical properties. | Semiconductor components, vacuum electronic devices, precision conductors. |
| C10300 | OF Copper (Oxygen-Free, Cast) | Oxygen-free grade with slightly higher impurity tolerance than C10200 but still suitable for demanding electrical applications. | Drawing rods, telecommunication cables, magnet wire. |
Mechanical, Physical & Fabrication Properties
| Property | C11000 (ETP Copper) | C10200 (OFHC Copper) | C10100 (OFE Copper) |
|---|---|---|---|
| Electrical Conductivity (% IACS) | ≥ 100% IACS | 101–102% IACS | 102%+ IACS |
| Electrical Resistivity (Ω·mm²/m) | ≤ 0.017241 | ≤ 0.01708 | ≤ 0.01700 |
| Tensile Strength | 200–260 MPa | 200–240 MPa | 190–230 MPa |
| Elongation (%) | 35–45% | 38–48% | 40–50% |
| Density | 8.89 g/cm³ (All Copper Wire Rod Grades) | ||
| Annealing Temperature | 200°C – 400°C | ||
| Melting Point | 1083°C | ||
| Hardness (HV) | 45–65 HV | 40–60 HV | 38–55 HV |
| Fabrication – Cold Working | Excellent | Excellent | Excellent |
| Fabrication – Hot Working | Good | Good | Good |
| Weldability | Fair (affected by oxygen) | Excellent | Excellent |
| Soldering / Brazing | Excellent | ||
Common Names & International Identifiers
| Grade | Common Names | International Identifiers | Industry Usage |
|---|---|---|---|
| C11000 (ETP Copper) |
Electrolytic Tough Pitch Copper ETP Rod Electrical Grade Copper Rod |
ASTM B49 EN 1977: Cu-ETP IEC 60228 JIS C1100 |
Conductors, power cables, busbars, magnet wires, automotive wiring |
| C10200 (OFHC Copper) |
Oxygen-Free High Conductivity Copper OFHC Rod High-Purity Copper Rod |
ASTM B49 / B170 EN 1977: Cu-OF JIS C1020 ISO Cu-OF |
Telecommunications, electronics, aerospace, high-frequency conductors |
| C10100 (OFE Copper) |
Oxygen-Free Electronic Copper OFE Copper Rod Ultra-Pure Copper |
ASTM B170 EN 1977: Cu-OFE JIS C1011 ISO Cu-OFE |
Semiconductor manufacturing, vacuum systems, cryogenic systems, precision conductivity applications |
| C12000 / C12200 (Phosphor-Deoxidized Copper) |
DLP / DHP Copper Rod Plumbing Copper Rod De-oxidized Copper |
ASTM B111 / B466 EN 1976: Cu-DHP JIS C1220 |
Plumbing, refrigeration, heat exchangers, brazing applications, tubes & fittings |
Standards & International Equivalents
| Copper Grade | ASTM Standards | EN / DIN Standards | JIS / IEC Standards | Common International Equivalents |
|---|---|---|---|---|
| C11000 (ETP Copper) |
ASTM B49 – Copper Rod ASTM B170 – ETP Copper Rod ASTM B152 – Strip/Sheet (reference) |
EN 1977 – Cu-ETP DIN 40500 – Electrolytic Copper |
JIS C1100 IEC 60228 (conductivity class) |
CW004A (Europe) T2 (China) SE-Cu (Germany) |
| C10200 (OFHC Copper) |
ASTM B49 ASTM B170 – OFHC Rod |
EN 1977 – Cu-OF DIN 40400 – OF-Cu |
JIS C1020 IEC 60228 (Class 1–5 conductors) |
CW008A (Europe) OF-Cu (Germany) TU1 (China) |
| C10100 (OFE Copper) |
ASTM B170 – OFE Copper ASTM F68 – Electronic Copper |
EN 1977 – Cu-OFE DIN 40400 – OFE-Cu |
JIS C1011 ISO Cu-OFE |
CW009A (Europe) OFE-Cu (Germany) TU0 (China) |
| C12000 / C12200 (DLP/DHP Copper) |
ASTM B111 – Seamless Copper-Alloy Tube ASTM B466 – Copper Pipe Reference ASTM B75 – General Copper Tubes |
EN 1976 – Cu-DHP DIN 1785 – Copper Tube Reference |
JIS C1220 IEC – Not conductivity classified |
CW024A (Europe: DHP) TP2 (China) Phosphor-Deoxidized Copper (Global) |
Applications
| Application Category | Specific Uses | Industry Segments |
|---|---|---|
| Electrical Conductors |
Power cables, LT/HT cables Flexible multicore wires Magnet wires & winding wires Earthing conductors |
Power distribution Renewable energy Electrical equipment OEMs |
| Electronics & Communication |
PCB bussing wires Telecommunication cables Signal transmission wires |
Electronics manufacturing Telecom & networking Control panel builders |
| Automotive & EV Sector |
Battery cables Charging harness wires High-conductivity motor windings |
EV manufacturers Automotive wiring harness OEMs Motor/alternator manufacturers |
| Industrial Machinery |
Transformer windings Induction motor coils Switchgear & panel wiring |
Heavy engineering Machinery manufacturers Electrical contractors |
| Renewable Energy Systems |
Solar DC cable conductors Wind turbine wiring Inverter & charge-controller wiring |
Solar EPCs Wind energy OEMs Green energy solutions |
| General Engineering Applications |
Fasteners, rivets, cold-forged components Transformer hardware Copper welding electrodes (low-impurity grades) |
Fabrication industries Engineering workshops OEM components |
| Foundry & Metallurgical Use |
Alloying raw material Brass/bronze/Cu-Ni master alloys |
Foundries Metallurgical plants Casting units |
Standard Copper Wires rods Dimensional Chart
| Diameter (mm) | Cross-Sectional Area (mm²) | Theoretical Weight (kg/m) | Approx. Electrical Resistance (Ω/km) | Available Grades |
|---|---|---|---|---|
| 8.00 mm | 50.27 | 0.448 kg/m | 0.342 Ω/km | C11000 (ETP), C12200 (DHP), C10200 (OFHC) |
| 9.50 mm | 70.88 | 0.632 kg/m | 0.243 Ω/km | C11000 (ETP), C12200 (DHP), C10200 (OFHC) |
| 10.00 mm | 78.54 | 0.700 kg/m | 0.219 Ω/km | C11000 (ETP), C12200 (DHP), C10200 (OFHC) |
| 11.00 mm | 95.03 | 0.846 kg/m | 0.181 Ω/km | C11000 (ETP), C12200 (DHP), C10200 (OFHC) |
| 12.00 mm | 113.10 | 1.007 kg/m | 0.152 Ω/km | C11000 (ETP), C12200 (DHP), C10200 (OFHC) |
| 14.00 mm | 153.94 | 1.368 kg/m | 0.112 Ω/km | C11000 (ETP), C12200 (DHP), C10200 (OFHC) |
| 16.00 mm | 201.06 | 1.786 kg/m | 0.086 Ω/km | C11000 (ETP), C12200 (DHP), C10200 (OFHC) |
Note:
Theoretical weight is calculated using copper density of 8.89 g/cm³.
Electrical resistance values are approximate and based on 20°C operating temperature.
ETP (C11000) provides the lowest resistivity and is preferred for electrical applications.
