Electrolytic Tough Pitch (ETP) copper bars are a type of high-quality copper product known for their exceptional conductivity and purity. ETP copper is produced through a specific refining process that ensures the removal of impurities, resulting in a copper product with a minimum conductivity of 100% IACS (International Annealed Copper Standard). These bars find extensive applications in various industries due to their excellent electrical and thermal conductivity properties.
The production of ETP copper bars begins with the mining and extraction of copper ore, which is then refined through a series of processes to eliminate impurities. The electrolytic refining method is a crucial step in this process, where copper is dissolved in an acidic solution, and high-purity copper is electrodeposited onto cathodes. This meticulous refining process ensures that the final product meets stringent quality standards, making ETP copper bars suitable for demanding applications.
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One of the key characteristics of ETP copper bars is their high electrical conductivity. This makes them ideal for use in electrical and electronic applications, such as power transmission, electrical wiring, and electrical components. The low electrical resistance of ETP copper ensures minimal energy loss, making it an efficient choice for conducting electricity.
ETP copper bars are also valued for their excellent thermal conductivity. This property makes them suitable for use in heat exchangers, cooling systems, and other applications where efficient heat transfer is essential. The bars can effectively dissipate heat, contributing to the overall performance and reliability of various industrial systems.
In addition to their electrical and thermal properties, ETP copper bars exhibit good formability, enabling them to be easily shaped and fabricated into different configurations. This flexibility makes them adaptable to a wide range of manufacturing processes and applications.
ASTM B187 / ASME SB187
EN, DIN, JIS, ASTM, BS, ASME, AISI
3 ~ 800mm
H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients requirements
Hex Bar Size:- 2-100mm A/F
Flat Bar Size:- Thickness: 2 -100mm, Width: 10 to 500mm.
Square Bar Size:- 4 to 100mm
Rectangular Bar Size:- 33 x 30mm to 295 x 1066mm, Thickness: 3.0 to 12.0mm.
Hollow Bar Size:- 32mm OD x 16mm ID to 250mm OD x 200mm ID)
Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline
Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Half Round Bar, Forged Hex bars, Forged Square Bars etc.
STANDARD | WERKSTOFF NR. | UNS |
Copper ETP | 2.0060 | C11000 |
Nation | China | USA | U.K | Germany | Japan | |||||
Standard No. | GB | ASTM B42 | BS 6017 | DIN 1787 | JIS H2123 | |||||
Classification | TU0 | TU1 | Grade1 C10100 | Grade 2 C10200 | Cu-OFE C103 | Cu-OF C110 | OF-Cu 2.0040 | Grade1 C1011 | Grade2 C1020 | |
Chemical Composition | Cu+Ag (%Min) | 99.99 | 99.9 | 99.99 | 99.95 | 99.99 | 99.95 | 99.95 | 99.99 | 99.98 |
O2 P (PPM) | 10Max 3max | 10max N/A | 5Max 3Max | 10Max N/A | 10Max 3Max | NA NA | NA NA | 10Max 3max | 10max N/A |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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