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Copper Alloys Electrolytic Copper | Product Overview
Introduction To Copper Alloys EC Copper / C10100 / CW009A
MOKSH TUBES & FITTINGS LLP is a prominent manufacturer, supplier, exporter, importer, and stockist of EC Copper (Electrolytic Copper / C10100 / CW009A) products. Our offerings include Wires, Rods, Bars, Sheets, Plates, Pipes, Busbars, Strips, Foils, Coils, and precision-machined parts. We also provide custom and hard-to-find EC Copper solutions to meet your specific industry needs.
Copper Alloys EC Copper, also known as Electrolytic Grade Copper, is a high-purity copper (>99.95%) renowned for its exceptional electrical and thermal conductivity, ductility, and corrosion resistance. It is oxygen-free or has extremely low oxygen content, making it ideal for high-performance electrical and electronic applications. EC Copper is widely used in power generation, distribution, motors, transformers, switchgear, renewable energy, and electronics.
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EC Copper Specifications (C10100 / CW009A)
| Category | Details |
|---|---|
| Grade | C10100 / CW009A / Cu-ETP1 / EC Copper |
| Type | High-Purity Electrolytic Copper (Electrical Grade) |
| Typical Chemical Composition | Cu ≥ 99.95%, O ≤ 0.0005%, Ag ≤ 0.002%, Impurities ≤ 0.03% |
| Conditions Available | Annealed, Half-Hard, Hard, Extra Hard, Hot Rolled, Cold Drawn |
| Heat Treatment | Annealing, Stress Relieving |
| Testing | Tensile, Hardness, Chemical, Conductivity, PMI, UT (on request) |
| Certification | EN 10204 3.1 / 3.2 MTC available |
Chemical Composition – EC Copper (C10100 / CW009A)
| Element | Composition (% by weight) |
|---|---|
| Copper (Cu) | ≥ 99.95 |
| Oxygen (O) | ≤ 0.0005 (oxygen-free grades) |
| Silver (Ag) | ≤ 0.002 |
| Other Elements | ≤ 0.03 total impurities |
Note: EC Grade Copper may be oxygen-bearing (C11000) or oxygen-free (C10100 / OFC) depending on application.
Physical Properties – EC Copper
| Property | Imperial Units | Metric Units |
|---|---|---|
| Density | 0.323 lb/in³ | 8.94 g/cm³ |
| Melting Point | 1981 °F | 1083 °C |
| Electrical Conductivity | 101% IACS (min) | ≥ 58 MS/m |
| Thermal Conductivity | ~226 Btu/ft·hr·°F | ~390 W/m·K |
| Coefficient of Expansion | 9.8 × 10⁻⁶ /°F | 17.6 × 10⁻⁶ /°C |
| Modulus of Elasticity | 17 × 10³ ksi | 117 GPa |
| Specific Heat Capacity | 0.092 Btu/lb·°F | 0.385 J/g·K |
Heat Treatment – EC Copper (C10100 / CW009A)
| Heat Treatment Process | Temperature Range | Cooling / Procedure |
|---|---|---|
| Annealing (Soft Anneal) | 200 – 400 °C | Furnace cool for maximum ductility |
| Stress Relieving | 150 – 250 °C | Hold 1–2 hours, air cool |
| Hot Working | 700 – 900 °C | Extrusion, rolling & forging |
| Cold Working + Anneal | — | Controls strength & conductivity |
EC Copper cannot be hardened by quenching; only cold working increases strength.
Mechanical Properties – EC Copper
| Property / Condition | Annealed (R200) | Half-Hard (R240) | Hard (R290) | Extra Hard (R360) |
|---|---|---|---|---|
| Tensile Strength (MPa) | 220 – 260 | 240 – 300 | 290 – 360 | ≥ 360 |
| Yield Strength (0.2%) (MPa) | ≤ 100 | ≥ 180 | ≥ 250 | ≥ 320 |
| Elongation (%) | ≥ 33 | ≥ 8 | ≥ 4 | ≥ 2 |
| Hardness (HV) | 40 – 65 | 65 – 95 | 90 – 110 | ≥ 110 |
International Standards & Equivalent Grades – EC Copper
| Standard | Equivalent Grade |
|---|---|
| UNS | C10100 |
| EN | CW009A |
| DIN | Cu-ETP1 |
| ASTM | B152, B187, B170 |
| JIS | C1011 |
| ISO | Cu-ETP1 / Cu-a1 |
Products in Copper Alloys EC Copper
Copper Alloys EC Copper is available in:
✔
Seamless Pipes
✔
Welded Pipes (ERW & EFW)
✔
Tubes (Capillary, U-Bend)
✔
Sheets & Plates
✔
Coils & Strips
✔
Round Bars, Flat Bars, Hex Bars, Square Bars
✔
Pipe Fittings (Elbows, Tees, Reducers, Caps, Stub Ends)
✔
Flanges (Weld Neck, Slip-On, Blind, Socket Weld, Threaded)
✔
Fasteners (Bolts, Nuts, Screws, Washers, Studs)
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Custom Fabricated Components
Copper Alloys EC Copper products are produced to the following global standards:
Uses and Advantages
With over 101% IACS, EC Copper is ideal for critical current-carrying applications.
Efficient heat dissipation in motors, transformers, and power electronics.
Allows for easy drawing, forming, and welding (especially OFC grades).
Performs well in atmospheric, humid, and chemically neutral environments.
Used in sensitive and high-frequency circuits with minimal signal loss.
Applications of Copper Alloys EC Copper
Copper Alloys EC Copper is a vital material for power and precision engineering sectors. It is chosen for its conductivity, reliability, and ease of fabrication.
Power Transmission & Distribution
Overhead conductors, busbars, switchgear, and substations.
Electrical Motors & Generators
Stator/rotor windings, commutators, motor terminals.
Transformers & Inductors
LV/HV transformer windings, coils, and terminals.
Electronics & Microelectronics
High-frequency connectors, PCBs, semiconductors.
Telecommunication & Broadcasting
RF shielding, ground systems, cable conductors.
Automotive & EVs
Battery connectors, electric motor wiring, and sensors.
Renewable Energy Systems
Wind turbines, solar panels, inverters, energy storage.
WHY CHOOSE US?
EC Copper Price per kg in India
Typical Range: ₹780 – ₹1,350 per kg
(Price varies by OD, wall thickness, form, and finish)
Contact us for exact quotation based on size and quantity.
FAQ's
What is EC Copper and why is it important in electrical applications?
EC Copper, also known as Electrolytic Copper, C10100, or CW009A, is a high purity copper grade with over 99.95% copper content. It is valued for its outstanding electrical conductivity (≥101% IACS), thermal conductivity, ductility, and corrosion resistance. Due to its purity and low oxygen levels, EC Copper is widely used in electrical, electronic, and thermal applications where high efficiency and performance are essential.
What are the advantages of using EC Copper over other copper alloys?
EC Copper offers superior electrical and thermal conductivity compared to most other copper alloys, making it the preferred choice for current carrying and heat dissipating components. It is highly ductile, weldable, and easy to form into wires, rods, sheets, and busbars. Oxygen-free grades of EC Copper further enhance performance in sensitive electronic applications, reducing signal loss and improving reliability in high frequency and precision systems.
What are the main applications of EC Copper in industries?
EC Copper is extensively used in power transmission and distribution systems for busbars, switchgear, substations, and overhead conductors. It is also widely applied in motors, generators, and transformers for windings, commutators, and terminals. In addition, EC Copper is used in electronics, microelectronics, telecommunications, renewable energy, automotive, and electric vehicles due to its excellent conductivity, durability, and thermal stability.
What EC Copper products are supplied by MOKSH TUBES & FITTINGS LLP?
MOKSH TUBES & FITTINGS LLP provides a complete range of EC Copper products including wires, rods, bars, pipes, sheets, plates, coils, foils, strips, busbars, fasteners, flanges, and custom-fabricated parts. These products are manufactured to meet global standards and are available in different sizes, shapes, and finishes to suit diverse industrial applications. Precision-machined components and custom solutions are also offered for specific technical requirements.
Why choose MOKSH TUBES & FITTINGS LLP for EC Copper products?
MOKSH TUBES & FITTINGS LLP is a trusted manufacturer, supplier, and exporter of EC Copper products with expertise in high conductivity applications. The company offers certified and globally compliant materials, custom machining, and technical support to meet industry-specific demands. With strong inventory, competitive pricing, and worldwide delivery, MOKSH TUBES & FITTINGS LLP ensures reliable and timely supply of EC Copper for electrical, thermal, and electronic industries.
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