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Copper Alloys Electrolytic Tough Pitch | Product Overview
Introduction To Copper Alloys ETP Copper / C11000 / CW004A
MOKSH TUBES & FITTINGS LLP proudly manufactures, supplies, exports, imports, and stocks a comprehensive range of ETP Copper (Electrolytic Tough Pitch Copper) products. Our offerings include Pipes & Tubes, Rods, Flats, Sheets & Plates, Coils, Busbars, Wires, Strips, Foils, Fasteners, and Custom Fabricated Products in ETP Copper.
Copper Alloys ETP Copper, is the most widely used commercial copper grade, known for its exceptional electrical and thermal conductivity. With a minimum copper content of 99.90%, ETP copper is extensively used in electrical, electronic, and industrial applications. It has excellent ductility, corrosion resistance, and workability. This alloy is also suitable for soldering, brazing, and welding under controlled conditions.
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ETP Copper Specifications (C11000 / CW004A)
| Category | Details |
|---|---|
| Grade | C11000 / CW004A / ETP Copper |
| Type | High-Conductivity Electrolytic Tough Pitch Copper |
| Typical Chemical Composition | Cu 99.90% min (incl. Ag), O 0.02–0.04%, Ag ≥ 0.002%, Impurities ≤ 0.03% |
| Conditions Available | Annealed, Half-Hard, Hard, Extra-Hard, Hot Rolled, Cold Drawn |
| Heat Treatment | Stress Relieving, Annealing |
| Testing | Tensile, Hardness, Conductivity, Chemical, PMI, UT (on request) |
| Certification | EN 10204 3.1 / 3.2 (Mill Test Certificate) |
Chemical Composition – ETP Copper (C11000)
| Element | Composition (% by weight) |
|---|---|
| Copper (Cu) | 99.90 min (including Ag) |
| Oxygen (O) | 0.02 – 0.04 |
| Silver (Ag) | 0.002 min |
| Others | 0.03 max (total) |
Physical Properties – ETP Copper
| Property | Imperial Units | Metric Units |
|---|---|---|
| Density | 0.323 lb/in³ | 8.94 g/cm³ |
| Melting Point | 1981 °F | 1083 °C |
| Thermal Conductivity | 223 Btu/ft·hr·°F | 386 W/m·K |
| Electrical Conductivity | 100% IACS | ≥ 58 MS/m |
| 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 – ETP Copper (C11000 / CW004A)
| Heat Treatment Process | Temperature Range | Cooling / Procedure |
|---|---|---|
| Annealing (Soft Anneal) | 200 – 400 °C | Furnace cool for max ductility |
| Stress Relieving | 150 – 250 °C | Hold 1–2 hrs, air cool |
| Hot Working | 700 – 900 °C | Forging / extrusion |
| Cold Work + Stress Relief | — | Increases strength & conductivity |
ETP Copper cannot be hardened by heat treatment; strength is achieved by cold working only.
Mechanical Properties – ETP Copper
| Property | Annealed | Half-Hard | Hard | Extra-Hard |
|---|---|---|---|---|
| Tensile Strength | 220–260 MPa | 240–300 MPa | 290–360 MPa | ≥ 360 MPa |
| Yield Strength (0.2%) | ≤ 100 MPa | ≥ 180 MPa | ≥ 250 MPa | ≥ 320 MPa |
| Elongation | ≥ 33% | ≥ 8% | ≥ 4% | ≥ 2% |
| Hardness (HB) | 45–65 | 65–95 | 90–110 | 110–120 |
| Electrical Conductivity | ≥ 100% IACS | ≥ 98% IACS | ≥ 97% IACS | ≥ 97% IACS |
International Standards & Equivalent Grades – ETP Copper
| Standard | Equivalent Grade |
|---|---|
| UNS | C11000 |
| EN | CW004A |
| BS | C101 / C110 |
| ASTM | B152, B187, B152M, B88 |
| JIS | C1100 |
| ISO | Cu-ETP |
Products in Copper Alloys ETP Copper
Copper Alloys ETP 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)
✔
Custom Fabricated Components
Copper Alloys ETP Copper products are produced to the following global standards:
Uses and Advantages
ETP Copper provides nearly 100% IACS, making it ideal for high-performance electrical applications.
Efficiently transfers heat in cooling systems, heat exchangers, and radiators.
Easily formed, drawn, or machined for intricate parts.
Performs reliably in atmospheric, industrial, and freshwater environments.
Suitable for sensitive electronic and explosive environments.
Applications of Copper Alloys ETP Copper
Copper Alloys ETP Copper is the industry standard for electrical and electronic components due to its unmatched conductivity and ease of fabrication. Common applications include:
Electrical Wiring & Busbars
Used in power distribution boards, panels, switchgear, and transformers.
Electronics & Circuitry
Printed circuit boards (PCBs), terminals, lead frames, and connectors.
Telecommunication & Data Transmission
Cables, grounding systems, and RF/microwave shielding.
Power Generation & Renewable Energy
Wind turbines, solar panels, and electrical generators.
HVAC & Refrigeration
Heat exchangers, condenser coils, and refrigeration tubing.
Architecture & Decorative Applications
Roofing, cladding, lightning arrestors, and ornaments.
Automotive & Transportation
Battery cables, alternator windings, and electric vehicle components.
WHY CHOOSE US?
ETP Copper Price per kg in India
Typical Range: ₹750 – ₹1,200 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 ETP Copper and why is it widely used in industries?
ETP Copper, also known as Electrolytic Tough Pitch Copper, is the most commonly used commercial copper grade containing a minimum of 99.90% copper. It is well-known for its excellent electrical and thermal conductivity, ductility, and corrosion resistance. With nearly 100% IACS conductivity, ETP Copper is widely used in electrical, electronic, and industrial sectors where efficiency and reliability are critical.
What are the key benefits of using ETP Copper?
The main advantages of ETP Copper include superior electrical and thermal conductivity, easy formability, and excellent performance in atmospheric and industrial environments. It is suitable for welding, brazing, and soldering under controlled conditions and offers consistent reliability in electrical wiring, power systems, and electronic components. Its versatility also makes it useful in cooling systems, architecture, and automotive applications.
What are the main applications of ETP Copper in different sectors?
ETP Copper is widely used in electrical wiring, busbars, power distribution panels, transformers, and switchgear due to its high conductivity. In electronics, it is used for PCBs, connectors, and lead frames, while in telecommunications it supports grounding systems, RF shielding, and data transmission cables. Additionally, it is applied in renewable energy systems, HVAC, refrigeration, architectural projects, and the automotive industry, especially in electric vehicles and battery components.
What ETP Copper products does MOKSH TUBES & FITTINGS LLP provide?
MOKSH TUBES & FITTINGS LLP manufactures and supplies a wide range of ETP Copper products including pipes, tubes, rods, flats, coils, sheets, plates, busbars, strips, foils, fasteners, flanges, pipe fittings, and custom-fabricated components. All products are produced to meet global quality standards and can be supplied in both standard and customized sizes to suit the requirements of various industries.
Why choose MOKSH TUBES & FITTINGS LLP for ETP Copper materials?
MOKSH TUBES & FITTINGS LLP is a trusted supplier and exporter of ETP Copper with advanced production facilities and strict quality control processes. The company offers reliable supply, technical support, and the flexibility to deliver both standard and customized products worldwide. With a strong reputation in electrical, automotive, telecom, and energy sectors, MOKSH TUBES & FITTINGS LLP ensures high quality ETP Copper solutions for global clients.
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