ETP (Electrolytic Tough Pitch) copper round bars are commonly used in various industrial applications due to their excellent electrical conductivity, thermal conductivity, and corrosion resistance. ETP copper round bar is a high-purity copper grade that is produced through an electrolytic refining process.
Here are some key features and properties of ETP copper round bars:
Purity: ETP copper has a minimum copper content of 99.9%. It is known for its high conductivity, making it suitable for electrical and electronic applications.
Electrical conductivity: ETP copper round bars have excellent electrical conductivity, second only to silver. This property makes them ideal for electrical wiring, bus bars, and conductors.
Thermal conductivity: With outstanding thermal conductivity, ETP copper is well-suited for applications that demand effective heat transfer. Its common uses include heat exchangers, heat sinks, and cooling systems.
Ductility and malleability: Highly ductile and malleable, ETP copper lends itself to easy formation and fabrication into different shapes, such as round bars. This property makes it well-suited for machining, forming, and welding processes.
Corrosion resistance: ETP copper is corrosion-resistant in various environments, including atmospheric, freshwater, and non-oxidizing acids. However, it is susceptible to corrosion in oxidizing environments such as saltwater.
ETP copper round bars are readily available in various sizes and diameters to meet application requirements. ETP copper round bars find applications in electrical engineering, electronics, power generation, automotive, telecommunications, and construction industries. Some common uses include electrical conductors, bus bars, electrical connectors, motor windings, transformers, and plumbing fittings.
You must go to Max Steel's online site and order an ETP Copper Round Bar for industrial use.
Specifications : ASTM B187 / ASME SB187, ASTM B49, DIN 2.0060, BS 2870 C101, BS 2874 C101, BS 2875 C101, EN CW004A, C11000
Diameter : 3 mm to 115 mm.
Round Round Bar : 3/16" - 15" Diameter.
Rectangles / Flat Round Bar : 1/8" - 2" thick through 1/2" - 8" wide.
Square Round Bar : 1/4" - 2" Square.
Length : Up to 6 m
Materials : Copper content of 99.9%
Conductivity : Above 97% IACS min in Half Hard / Above 99.95% in annealed.
ASTM B187 / SB187 - Standard Specification for Copper, Bus Bar, Rod, and Shapes and General Purpose Rod, Bar, and Shapes.
DIN 2.0060 - It is known for its high conductivity and for its resistance to corrosion. This makes it an ideal choice for use in electrical wiring and other electrical applications. Its good machinability makes it easy to shape into different forms; profiles, sheets and plates.
BS 2870 - Specification for rolled copper and copper alloys: sheet, Rod and foil.
EN CW004A - C101/CW004A is the designation for the 99.9% pure copper used in a range of engineering applications. C101/CW004A is also known as HC or high conductivity copper. It has a nominal conductivity of 100% IACS (International Annealed Copper Standard). It also has high thermal conductivity.
| Nation | China | USA | U.K | Germany | Japan | |||||
| Standard No. | GB | ASTM B187 | 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 | |
Excellent conductivity
Workability
Solderability
Conductivity
Heat treatable
Dimensional accuracy
Resistance against corrosion
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