1. What is a oxygen free copper sheet/plate ?
Oxygen free copper, also known as oxygen-depleted copper or OFC, is a type of copper with extremely low oxygen content. This unique metallurgical material possesses exceptional properties that make it suitable for a wide range of applications across various industries.
Oxygen free copper is a versatile material with exceptional characteristics, including high conductivity, corrosion resistance, and thermal conductivity. Its applications span various industries, including electronics, telecommunications, renewable energy, and healthcare. The production process involves careful refinement and deoxidation to achieve the desired oxygen content. With its outstanding properties, Oxygen free copper continues to play a vital role in advancing technological and industrial developments.
2. Specifications of oxygen free copper sheet/plate
| Product Name | Oxygen Free Copper Sheet | ||
| Material | T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920,TP1, TP2,C10930,C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300,TU1,TU2,etc.  | ||
| Shape | Round, square, rectangular, or as required. | ||
| Specifications | Round:Wall thickness: 0.2mm~120mm, Outside Diameter: 2mm~910mm Square:Wall thickness: 0.2mm~120mm,Size: 2mm*2mm~1016mm*1016mm Rectangular:Wall thickness: 0.2mm~910mm,Size: 2mm*4mm~1016mm*1219mm  | ||
| Length | thickness 0.3mm~100mm, Width 50mm~2500mm, Length 1000mm~12000mm or as required. | ||
| Hardness | 1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard,soft,etc | ||
| Surface | mill, polished, bright, oiled, hairline, brush, mirror, sand blast, or as required. | ||
| Package | Export standard package: bundled wooden box, suit for all kinds of transport,or be required. | 
Technical Data
| alloy | EN | ASTM | Conductivity | Thermal conductivity | |
| MS/m | IACS% | W/Km | |||
| OFE-OK | CW009A | C10100 | 58.6 | 101.5 | 391 | 
| OF-OK | CW008A | C10200 | 58.3 | 100 | 390 | 
| CuAg0.04(OF) | CW017A | C10400 | 57.7 | 99.5 | 388 | 
| CuAg0.10(OF) | CW019A | C10700 | 57.7 | 99.5 | 388 | 
3. Applications and characteristics of oxygen free copper sheet/plate
Characteristics:
High Conductivity: Oxygen free copper exhibits excellent electrical conductivity, surpassing that of regular copper. This property makes it ideal for applications requiring efficient electrical transmission, such as power generation, electronics, and telecommunications.
Thermal Conductivity: OFC also possesses superior thermal conductivity, allowing it to effectively dissipate heat. Consequently, it finds applications in heat exchangers, heat sinks, and other thermally demanding systems.
Corrosion Resistance: With minimal oxygen content, Oxygen free copper demonstrates remarkable resistance to corrosion. This property makes it suitable for environments where exposure to moisture, chemicals, or other corrosive agents is prevalent.
Ductility: OFC is highly ductile, meaning it can be easily formed into various shapes without losing its structural integrity. This characteristic makes it an excellent choice for manufacturing intricate components and complex designs.
Low Impurity Content: Oxygen free copper has exceptionally low impurity levels, ensuring high purity and reliability in critical applications. It exhibits low levels of impurities such as sulfur, phosphorus, and other trace elements that may degrade performance.
Applications:
Electrical and Electronics: OFC is extensively used in the production of high-quality electrical cables, connectors, and busbars due to its superior conductivity. It also finds applications in printed circuit boards (PCBs), transformers, and magnet wires.
Telecommunications: Oxygen-free copper is employed in the manufacture of coaxial cables, antennas, and microwave components due to its excellent signal transmission capabilities and low signal loss.
Renewable Energy: OFC is utilized in solar panels, wind turbines, and other renewable energy systems to ensure efficient electricity generation and transmission.
Medical Equipment: Its biocompatibility, corrosion resistance, and electrical conductivity make Oxygen free copper suitable for medical applications, including surgical instruments, implants, and diagnostic equipment.
Production Process:
The production of Oxygen-free copper involves several steps:
Smelting: Copper ore is initially smelted to obtain crude copper.
Electrolysis: The crude copper is then subjected to a refining process called electrolysis, where impurities are removed, and the copper is purified.
Deoxidation: To minimize oxygen content, the purified copper is melted and treated with a deoxidizing agent, such as phosphorus or hydrogen, to remove any remaining oxygen.
Forming and Shaping: The Oxygen free copper is cast into various forms, such as plates, rods, wires, or tubes, through processes like continuous casting or extrusion.
Final Treatment: The manufactured copper products undergo further processing steps, including annealing, polishing, and testing, to meet specific requirements and ensure quality.
4. Main copper product brand list
| category | China | Russia | United States | U.K. | France | Germany | Japan | ISO | ||||||
| GB | YB | ΓOCT | ASTM | CDA | FS | SAE | BS | NF | AIR LA | DIN | JIS | |||
| Lead brass | HPb63-3 | HPb63-3 | ЛC63-3  ЛCЦ 63-3  | C34500  C34700  | 345 347 | 345 347 | CA345 CA347 | CZ119 CZ124 | - | - | CuZn36Pb1.5 CuZn36Pb3  | 2.0331 | C3560 | CuZn35Pb2  CuZn36Pb3  | 
| HPb63-0.5 | - | C34800 | - | - | - | - | - | - | CuZn37Pb0.5 | 2.0332 | - | - | ||
| HPb63-0.1 | HPb63-0.1 | - | C34900 | - | - | - | - | - | - | CuZn37Pb0.5 | 2.0332 | - | - | |
| HPb62-0.8 | HPb62-F | - | C35000  C37000  | 371 | - | CA371 | - | - | - | - | C3501 | CuZn36Pbl | ||
| HPb61-1 | HPb61-1 | ЛC60-1 | C36500  C36700 C37000  | - | - | - | CZ123 | - | - | CuZn39Pb0.5 | 2.0372 | C3710 | CuZn40Pb | |
| HPb60-2 | HPb60-2  HPb60-3  | ЛC60-2 | C36000 | - | - | - | CZ120 | - | - | - | - | C3713  C3604  | CuZn38Pb2 | |
| HPb59-2 | HPb59-1A | ЛC59-1B | C35300 | - | - | - | - | - | - | - | C3771 | - | ||
| HPb59-1 | HPb59-1  HPb59-1B  | ЛC59-1 | C37800 | - | - | - | CZ122 | Cu-Zn40Pb | - | Cu-Zn39Pb2 | 2.0380 | C3710 | CuZn39Pb2 | |
| HPb58-3 | HPb59-3 | ЛC59-3 | C38000 | - | - | - | CZ121 | - | - | CuZn39Pb3 | 2.0401 | C3603 | CuZn39Pb3 | |
| Tin brass | HSn90-1 | HPb90-1 | ЛO90-1 | C41300  C41100  | - | - | - | - | - | - | - | - | - | - | 
| HSn70-1 | HPb70-1  HPb70-1A  | ЛO70-1  ЛOM70-1-0.05  | C44300 | 443 | - | - | CZ111 | CuZn39Snl | - | CuZn28Sn1 | 2.0471 | C4430 | CuZn28Sn1 | |
| HSn62-1 | HPb62-1 | ЛO62-1 | C46200  C46420  | 462 | 462 | CA462 | CZ112 | - | - | - | - | C4622  C4621  | CuZn38Sn | |
| HSn61-0.5 | HSn61-0.5 HSn61-0.5A  | - | C48200 | - | - | - | CZ115 | - | - | - | - | C6711 | - | |
| HSn60-1 | HSn60-1 | Л060-1 | C46500  C46400  | 465 464 | 464 | CA464 | CZ113 | CuZn38Sn1 | - | CuZn39Sn | 2.053 | C4640  C4641  | - | |
| Aluminum brass | HA177-2 | HA177-2  HA177-2A  | ЛA77-2  ЛAMЦ77-2-0.05  | C68700 | 687 | - | - | CZ110 | CuZn22A12 | - | CuZn22A1 | 2.046 | C6870  C6872  | CuZn20A12 | 
| HA166-6-3-2 | HA166-6-3-2 | C67000 | 670 | - | - | - | - | - | - | - | - | - | ||
| HA167-2.5 | HA167-2.5 | - | - | - | - | - | - | - | - | - | ||||
| HA160-1-1 | HA160-1-1 | ЛAЖ60-1-1 | C67800 | 678 | - | - | - | - | - | CuZn37Al | 2.0510 | C6782 | - | |
| HAI59-3-2 | HAI59-3-2 | ЛAH59-3-2 | - | - | - | - | - | - | - | CuZn35Ni | 2. 0540 | - | - | |
| Silicon brass | HSi80-3 | HSi80-3 | ЛK80-3 | C69400 | - | - | - | - | - | - | - | - | - | - | 
| Manganese brass | HMn58-2 | HMn58-2 | ЛMЦ58-2 | C67400 | - | - | - | - | - | - | CuZn40Mn | 2.0572 | - | - | 
| HMn57-3-1 | HMn57-3-1 | ЛMЦA57-3-1 | - | - | - | - | - | - | CuZn35Ni | 2.0540 | - | - | ||
| HMn55-3-1 | HMn55-3-1 | - | - | - | - | - | - | - | - | - | - | |||
| Iron brass | HFe59-1-1 | HFe59-1-1 | C67820 | - | - | - | - | - | - | CuZn39Sn | 2.0530 | C6782 | CuZn39AlFeMn | |
| HFe58-1-1 | HFe58-1-1 | ЛЖC58-1-1 | - | - | - | - | CZ114 | - | - | CuZn40Ni  CuZn40Mn  | 2.0571  2.0572  | - | - | |
| Tin bronze | QSn4-3 | QSn4-3 | BPOЦ4-3 | - | - | - | - | - | - | - | - | - | - | CuSnZn4 | 
| QSn4-4-2.5 | QSn4-4-2.5 | BPOЦC4-4-2.5 | - | - | - | - | - | - | - | - | - | - | - | |
| QSn4-4-4 | QSn4-4-4 | BPOЦC4-4-4 | C54400 | 544 | - | - | - | - | - | - | - | C5441 | - | |
| QSn6.5-0.1 | QSn6-5-0.1 | FPOΦ6.5-0.15 | 519 | - | - | PB100 | - | - | - | - | - | - | ||
| QSn6.5-0.4 | QSn6.5-0.4 | bPOΦ 6.5-0.4 | C51900 | 519 | - | - | PB103 | CuSn6P | - | CuSn6 | 2.1020 | C5191 | CuSn6 | |
| QSn7-0.2 | QSn7-0.2 | 5POΦ7-0.2  bPOΦ8-0.3  | C52100 | 521 | - | CA521 | PB104 | - | - | CuSn8 | 2.1030 | C5212 | CuSn8 | |
| QSn4-0.3 | QSn4-0.3 | bPOΦ4-0.25  FPO42-2.25  | C51100 | 510 511 | - | CA510 | PB101 | - | - | CuSn4 | 2.1010 | C5101 | CuSn4 | |
| Aluminum bronze | QA15 | QAI5 | BPA5 | C60600  C60800  | - | - | CAI01 | CuAl6 | - | - | CuAl5 | 2.0916 | - | CuAl5 | 
| QAI7 | QA17 | 5PA7 | C61000 | - | - | - | CA102 | - | - | CuAl8 | 2.0920 | - | CuAl8 | |
| QAI9-2 | QA19-2 | BPAMЦ10-2  BPAMЦ9-2  | - | - | - | - | UZ23A4 | CuA19Mn | 2.0960 | - | CuAl9Mn2 | |||
| QA19-4 | QA19-4 | FPAЖ9-4 | C61900 | - | - | - | CA03 CA106 | - | - | CuAl18Fe  CuAll0Fe  | 2.0930  2. 0936  | - | CuAl18Fe3  CuAll0Fe3  | |
| QAI10-3-1.5 | QA110-3-1.5 | 5PAXЖMЦ10-3-1.5 | - | - | - | - | - | - | - | CuAllOFe | 2.0936 | C6161  C6161  | - | |
| QA110-44 | QAI10-4-4 | 5PAЖH10-4-4 | C63000  C63200  | 630 | - | - | CAI04  CAI05  | CuAI9Ni5  -Fe3Mn  | BOK4 | CuAlloNi | 2.0966 | C601 | CuAl1l0  -Fe5Ni5  | |
| QA111-6-6 | QA111-6-6 | - | - | - | - | - | CuAll1Ni | 2.0978 | C6280 | - | ||||
| Beryllium bronze | QBe2 | QBe2 | ɓBɓ62 | C17200  C17300  | - | - | - | CuBe2 | UBe2 | CuB2 | 2.1247 | C1720 | CuBe2 | |
| QBel.9 | QBel.9 | ɓPɓHT1-9 | C17200 | 172 | - | CA172 | CuBe1.9 | |||||||
| QBel.7 | QBel.7 | ɓPɓHT1-7 | C17000 | 170 | - | CA170 | CB101 | CuBel.7 | CuBel.7 | 2.1245 | C1700 | CuBel.7 | ||
| Silicon bronze | QSi1-3 | QSi1-3 | ɓPɓKH1-3 | C64700 | - | - | - | DTD498 | - | - | CuNi2Si  CuNi3Si  | 2.0855  2.0857  | - | CuNi2Si | 
| QSi3-1 | QSi3-1 | ɓPɓKMЦ3-1 | C65500  C65800  | - | - | - | CS101 | - | - | CuSi3Mn | 2.1525 | - | CuSi3Mnl | |
| Manganese bronze | QMnl.5 | QMn1.5 | - | - | - | - | - | - | - | - | CuMn2 | 2.1363 | - | - | 
| QMn5 | QMn5 | ɓPɓЦ5 | - | - | - | - | - | - | - | CuMn5 | 2.1366 | - | - | |
| Cadmium Bronze | QCd1.0 | QCd1.0 | - | C16200  C16201 C16500  | 162 | - | C108 | - | - | - | CuCdl | 2.1266 | - | CuCd1 | 
| Ordinary white oxygen free copper | B10 | B10 | - | C70600 | - | - | - | CN102 | Cu-Nil0FelM | - | - | - | - | - | 
| B19 | B19 | MH19 | C71000 | 710 | - | - | CN104 | CuNi20Mn1Fe | - | CuNi20Fe | 2.0878 | C7100 | CuNi20Mn1Fe | |
| Iron-nickel oxygen free copper | BFe10-1-1 | MHЖMЦ10-1-1 | C70600 C70610  | - | - | - | CN102 | - | CuNi10Fe | 2.0872 | C7060 | CuNi10Fel Mn | ||
| BFe30-1-1 | BFe30-1-1 | MHЖMЦ30-1-1 | C71630  C71640  | 715 | - | CA715 | CN107 CN106  | CuNi30Mn1Fe | - | CuNi30Fe | 2.0882 | C7150 | CuNi30Mnl Fe | |
| Manganese cupronickel | BMn3-12 | BMn3-12 | MHMЦ13-12 | - | - | - | - | - | - | - | CuMn12Ni | - | - | - | 
| BMm40-1-5 | BMn40-1.5 | MHMЦ40-1.5 | - | - | - | - | - | - | - | - | - | - | - | |
| BMn43-0.5 | BMn43-1.5 | MHMЦ43-1.5 | - | - | - | - | - | - | - | CuNi44 | 2.0842 | - | CuNi44Mnl | |
| Zinc cupronickel | BZn15-20 | BZn15-20 | MHЦ15-20 | C75400 | 754 | - | - | NS105 | CuNi15Zn22 | CuNi12Zn24  CuNi18Zn20  | 2.0730  2.0740  | C7521 | CuNi5Zn21 | |
| Aluminum white oxygen free copper | BAl13-1 | BAl13-3 | MHA13-3 | - | - | - | - | - | - | - | - | - | - | - | 
											
											
											
											
											


