GNEE is a professional oxygen-free copper tubing manufacturer and global supplier, offering premium C10100 (OFE) copper tubing with guaranteed purity, conductivity, and mechanical properties. Our production adheres strictly to ASTM B111 standards, ensuring each tube meets international standards for high-performance industrial applications.
GNEE boasts industry-leading oxygen control capabilities, enabling us to reduce oxygen levels in copper tubing to as low as 5 ppm. Using advanced refining technology, we reduce total impurity levels to below 40 ppm. GNEE is a leading manufacturer of precision copper tubing for substations, vacuum applications, electronic equipment, and cleanroom systems.
Product Overview – C10100 Oxygen-Free Copper
UNS Number: C10100
Designation: OFE Copper (Oxygen-Free Electronic Copper)
Purity: ≥ 99.99% Cu
Oxygen Content: ≤ 5 ppm (Womic can control between 3–5 ppm)
Electrical Conductivity: ≥ 101% IACS
Dimensional Tolerances:
Straightness Tolerance: ≤ 13 mm over full length
Length Tolerance: ± 13 mm
Surface Condition: Clean and free from any dirt or surface defects that could interfere with intended applications.
Chemical Composition – Ultra-Pure OFE Copper (C10100)
|
Element |
Max PPM |
Element |
Max PPM |
|
Antimony (Sb) |
4 |
Lead (Pb) |
5 |
|
Arsenic (As) |
5 |
Manganese (Mn) |
0.5 |
|
Bismuth (Bi) |
1 |
Nickel (Ni) |
10 |
|
Cadmium (Cd) |
1 |
Phosphorus (P) |
3 |
|
Iron (Fe) |
10 |
Selenium (Se) |
3 |
|
Silver (Ag) |
25 |
Sulfur (S) |
15 |
|
Tellurium (Te) |
2 |
Tin (Sn) |
2 |
|
Zinc (Zn) |
1 |
Oxygen (O) |
0.0005 |
Electrical & Mechanical Properties
|
Property |
Typical Value |
|
Electrical Conductivity |
≥ 101% IACS |
|
Electrical Resistivity (20°C) |
≤ 0.15713 Ω·g/m2 |
|
Thermal Conductivity |
≥ 398 W/m·K |
|
Tensile Strength (H80 temper) |
≥ 245 MPa |
|
Yield Strength |
≥ 205 MPa |
|
Elongation (over 5D) |
≥ 5% |
|
Hardness (Brinell HBW) |
Min 80 |
|
Grain Size (per ASTM E112) |
Uniform Fine Grain |
Applications of C10100 Copper Tubing
Our oxygen-free copper tubes are ideal for critical environments that demand ultra-high purity, stable electrical properties, and flawless surface integrity:
●Power Transmission & Substations – Copper bus tubes, conductors in 110–500 kV substations
● Vacuum Systems & Accelerators – UHV-compatible, hydrogen-free copper for particle physics
●Aerospace & Military Electronics – Wiring systems, waveguides, RF cavities
●Cryogenics & Medical Imaging – Liquid helium/nitrogen delivery, MRI machine components
● HVAC and Refrigeration – Seamless, high-purity tubes for precision cooling systems
●Semiconductor & Cleanroom Equipment – Oxygen-free piping for gas and cooling lines
● Solar Inverters & Battery Systems – High-conductivity busbars and interconnects
Advanced Equipment:
● Oxygen Analyzer (IR-based) – Detects oxygen to <3 ppm
● Atomic Absorption Spectrometer – Measures metallic trace impurities
● Eddy Current Testers – Non-destructive flaw detection
● Brinell & Vickers Hardness Testers – Ensures consistent mechanical properties
● Microstructure Analysis (SEM + Metallography) – Grain and inclusion assessment
● Universal Tensile Test Machines – Full mechanical strength verification
● Conductivity Test (IACS Measurement) – Verifies ≥101% performance
about GNEE
why choose our products
Our company is equipped with advanced production lines capable of extruding, drawing, refining, and processing copper rods, copper tubes, copper busbars, and special-shaped copper products. To ensure every single product meets international standards, we have established a comprehensive quality control center. This center is furnished with a range of high-precision testing equipment, including spectrometers, metallurgical microscopes, universal material testing machines, and conductivity testers. This allows us to perform rigorous checks on raw materials, semi-finished, and finished products, covering chemical composition, physical properties, and non-destructive testing.
If you need any help, please contact us immediately:sales@gneesteel.com
Other product forms provided by GNEE
|
Material |
Brass:C21000,C22000,C22600,C23000,C24000,C26000,C26130,C26800,C27000,C27200,C27400, C2800,H59,H62,H70,H65,H80,H90,CuZn30,CuZn37,CuZn35,CuZn40,etcLeaded |
|
Diameter |
1/4",3/8",1/2", 5/8", 7/8" or customized |
|
Thickness |
0.5/0.6/0.7/0.8/1 or Customized |
|
Length |
15m/50ft or customized |
|
Standard |
JIS,AISI,ASTM,GB,DIN,EN |
|
Price Term |
x-Work,FOB,CNF,CFR,CIF,FCA,DDP,DDU,etc |
|
Payment Term |
TT,L/C,Western Union,D/P,etc |
|
Application |
refrigeration,installation of air conditioner,construction water and gas |
|
Package |
Standard export package,suit for all kinds of transport,or as required. |
|
Material |
Copper, Brass, Bronze and special copper alloy |
|
|
Grade |
ASTM |
C10100,C11000,C12200,C21000,C22000,C23000,C24000,C26000, |
|
G/B |
TU1,T2,TP2,H96,H90,H85,H80,H70,H65,H63,H62,H59,HPb63-3, |
|
|
JIS |
C 1011,C 1100,C 1220,C3604,C 2100,C 2200,C 2300,C 2400, C 2600, |
|
|
BS |
Cu-OFE,C 101,Cu-DHP,CZ 125,CZ 101,CZ 102,CZ 103,CZ 106,CZ 107, CZ 108,CZ 109,CZ 123,CZ 124, CZ 121,CZ 111,CZ 133, Pb 104, |
|
|
DIN/ISO |
CuZn5,CuZn10,CuZn15,CuZn20,CuZn30,CuZn35,CuZn33,CuZn36, |
|
|
Shape |
Round, Square, Flat, Hexagon, Oval, Half-round or Customized |
|
|
Dimension |
Bar/Rod |
Standard(Diameter 5-160 mm) or Customized |
|
Wire |
Standard(Diameter 0.02-6 mm) or Customized |
|
|
Plate/Sheet |
Standard(T 0.2-50 mm/W 200-3000 mm/L 6000 mm) or Customized |
|
|
Strip |
Standard(T 0.05-1.5 mm/W 20-600 mm/L 20000 mm) or Customized |
|
|
Tube/Pipe |
Standard(OD 3-360mm/Wall thickness 0.5-50 mm) or Customized |
|
|
Standard |
GB/T,JIS,ASTM, ISO, DIN, BS, NF etc. |
|
|
Hardness |
1/16 hard,1/8 hard,3/8 hard,1/4 hard,1/2hard,full hard. |
|
|
Package |
Plastic film + Wooden case or as per customer requirement |
|
|
Surface |
Polished,bright,oiled,hair line,brush,mirror,or as required |
|
|
Deliver time |
According to order's quantity. |
|
|
Shipment |
By sea, by air, DHL, UPS, FedEx etc. or as required |
|
|
Application |
Electric light industry, machinery manufacturing, Building industry ,defense industry, and other fields Manufacturing industrial |
|
|
Standard |
ASTM,DIN,BS,CDA,JIS,GB |
||
|
Material |
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, |
||
|
Shape |
Square,Rectangular,etc. |
||
|
Specifications |
Diameter:3~200mm |
||
|
Length |
3m,5.8m, 6m, 11.8m, 12m, 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,hair line,brush,mirror,sand blast,or as required. |
||
|
Price term |
EXW, FOB, CFR, CIF, etc. |
||
|
Payment term |
T/T |
||
|
Package |
Export standard package: bundled wooden box, suit for all kinds of transport, |
||
|
Delivery time |
According to order quantity |
||
|
Export to |
Singapore,Indonesia,Ukraine,Korea,Thailand, Vietnam, Saudi Arabia, Brazil, Spain, |
||
|
Application |
Copper plates are mainly used in electrical conductivity, heat conduction, and corrosion-resistant equipment. For instance, they are applied in wires, cables, conductive screws, blasting detonators, evaporators for chemical industries, storage containers, and various pipelines, etc. They can also be used as force-bearing parts for various deep drawing and bending manufacturing processes, such as pins, rivets, washers, nuts, conduits, pressure gauges, screens, and radiator parts, etc. |
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|
Contact |
If any requirement please feel free to inform me at any time. |
||
|
Grade |
C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920, C10930,C11000,C11300,C11400,C11500,C11600,C12000,C12200,C12300, C12500,C14200,C14420,C14500,C14510,C14520,C14530,C17200,C19200, C21000,C23000,C26000,C27000,C27400,C28000,C33000,C33200,C37000, C44300,C44400,C44500,C60800,C63020,C65500,C68700,C70400,C70620, C71000,C71500,C71520,C71640,C72200,T1,T2,T3,etc |
|
Standard |
JIS ASTM DIN EN ISO |
|
Diameter |
0.3-5mm/custom |
|
Length |
custom |
|
Surface |
mill,polished,bright,mirror,hair line,brush,checkered,antique,sand blast,etc |
|
Application |
Building, industry etc |
|
Payment Terms |
T/T or L/C at sight |
|
Delivery time |
5-15 days after receiving L/C or deposit |
|
Remark |
Specific requirement of alloy grade,temper or specification can be discussed at your request |
