UNS C68700 has especially good corrosion resistance properties in sea water. C44300 and C68700 tube have good corrosion resistance. C68700 annealed in O61 Temper. Tensile strength minimum in 345Mpa, Yield Strength minimum in 125Mpa.
C68700 Tube density in 8.33g/cm3, 0.301lb/in.3
Typical Application of C68700 Aluminum Brass "Arsenical"
1. Industrial: Condenser Tube, Evaporator Tubes, Ferrules, Distiller Tubes, Heat Exchanger Tubes
2. C68700 aluminium brass tubes are widely used in "Seawater desalting plants"
| COUNTRY | STANDARD | NAME |
| ASTM | ASTM B111 | Copper and Copper-Alloy Seamless Condenser Tubes and Ferrule Stock |
| GB/T | GB/T8890 | Seamless Copper Alloy Heat Exchanger Tubes |
| BS | BS 2871 CZ110 | Copper and Copper Alloys Tubes |
| JIS | JIS H3300 | Copper and Copper Alloy-Seamless Pipes and Tubes |
| DIN | DIN1785 | Wrought Copper and Copper Alloy Tubes for Condensers and Heat Exchangers |
| Chemical Compositions% | |||||||||||||
UNS No. |
CopperA |
Tin |
Al | Nickel, incl Cobalt |
Lead, max |
Iron |
Zinc |
Mn. |
Arsenic |
Antimony |
Phosphorus |
Chro | Others |
| C10200 | 99.95 min | - | - | - | - | - | - | - | - | - | - | - | - |
| C12000 | 99.90 min | - | - | - | - | - | - | - | - | - | 0.004-0.012 | - | - |
| C12200 | 99.9 min | - | - | - | - | - | - | - | - | - | 0.015-0.040 | - | - |
| C14200 | 99.40 min | - | - | - | - | - | - | - | 0.15-0.50 | - | 0.015-0.040 | - | - |
| C19200 | 98.7 min | - | - | - | - | 0.8-1.2 | - | - | 0.15-0.50 | - | 0.01-0.04 | - | - |
| C23000 | 84.0-86.0 | - | - | - | 0.05 | 0.05 max | remalnder | - | - | - | - | - | - |
| C28000 | 59.0-63.0 | - | - | - | 0.30 | 0.07 max | remainder | - | - | - | - | - | - |
| C44300 | 70.0-73.0 | 0.9-1.2 | - | - | 0.07 | 0.06 max | remainder | - | 0.02-0.06 | - | - | - | - |
| C44400 | 70.0-73.0 | 0.9-1.2 | - | - | 0.07 | 0.06 max | remainder | - | - | 0.02-0.10 | - | - | - |
| C44500 | 70.0-73.0 | 0.9-1.2 | - | - | 0.07 | 0.06 max | remainder | - | - | - | 0.02-0.10 | - | - |
| C60800 | remainder | - | 5.0-6.5 | - | 0.10 | 0.10 max | - | - | 0.02-0.35 | - | - | - | - |
| C68700 | 76.0-79.0 | - | 1.8-2.5 | - | 0.07 | 0.06 max | remainder | - | 0.02-0.10 | - | - | - | - |
| C70400 | remainder | - | 4.8-6.2 | 0.05 | 1.3-1.7 | 1.0max | 0.30-0.8 | - | - | - | - | - | |
| C70600 | remainder | - | 9.0-11.0 | 0.05B | 1.0-1.8 | 1.0maxB | 1.0max | - | - | B | - | B | |
| C71000 | remainder | - | 19.0-23.0 | 0.05B | 0.50-1.0 | 1.0maxB | 1.0max | - | - | B | - | B | |
| C71500 | remainder | - | 29.0-33.0 | 0.05B | 0.40-1.0 | 1.0maxB | 1.0max | - | - | B | - | B | |
| C71640 | remainder | - | 29.0-32.0 | 0.05B | 1.7-2.3 | 1.0maxB | 1.5-2.5 | - | - | B | - | B | |
| C72200 | remainder | - | 15.0-18.0 | 0.05B | 0.50-1.0 | 1.0maxB | 1.0max | - | - | B | 0.30 -0.70 | B | |
ASTM B111 C68700 Mechanical Properties
| Copper or Copper Alloy UNS No. | Temper Designation | Annealing temperature, °C | Tensile Strength, minYield Strength, min | Yield Strength, min | HV | |||
| Code | Surface | Ksi | Mpa | Ksi | Mpa | |||
| C68700 | O61 | Annealed | above 650 | 50 | 345 | 18 | 125 | 150 |
| Copper or Copper Alloy UNS NO. | Description |
| C44300 | Admiralty Metals, B, C, and D |
| C68700 | Aluminum Brass, B |
| C70600 | 90-10 Copper-Nickel |
| C71500 | 70-30 Copper-Nickel |
ASTM B111 C68700 tube is widely used in the surface condenser, heat exchanger, and evaporators. They offer high strength, excellent corrosion resistance, and good creep resistance at elevated temperatures.
Material Testing
Mechanical Testing Such as Tensile of Area
Hardness Test
Chemical Analysis – Spectro Analysis
Positive Material Identification – PMI Testing
Flattening Test
Micro and MacroTest
Pitting Resistance Test
Flaring Test
Copper products that GNEE can provide
| Product Name | Copper Pipe |
| Standard | ASTM,JIS,DIN,GB,AISI,DIN,EN |
| Material | T1, T2, T3, C21000, C22000, C22600, C23000, C24000, C26000, C26130, C26800, C27000, C27200, C46500, C51000, C52100, C53400, C61300, C61400, C63000, C63800, C65100, C65500, H63, H65, H68, H70, H80, H85, H90, H96. |
| Purity | 99.9% |
| Technique | Cold drawn, hot rolled, cold rolled and others. |
| Side shape | Round, Square, Rectangular, ect |
| Outer Diameter | 6.35-406mm or Customizable |
| Thickness | 0.5-80mm or Customizable |
| Length | 1-12m or Customizable |
| Surface Treatment | Coating, Oxidation, Coating, Polishing, etc. |
| Type | Seamless, Welded |
| Origin | China |
| Delivery Time | 7-15 days, depending on the situation and quantity |
| Price Terms | EXW, FOB, CIF, CRF, CNF or others |
| Loading Port | Any port in China |
| Payment Term | TT, LC,Cash, Paypal, DP, DA,Western Union or Others. |
| Application | 1. Construction industry2. Mechanical production, energy extraction3. Home appliance industry, refrigeration industry, transportation industry, home decoration and bathroom4. Communication technology, infrastructure, municipal pipeline network, etc. |
| Packaging | Bundle, PVC Bag, Nylon Belt, Cable Tie, Standard export seaworthy package or as Reque |
| Processing Servic | Bending, Welding, Decoiling, Punching, Cutting and Others |
| Tolerance | ±1% |
Standard | ASTMB152,B187,B133,B301,B196,B441,B465,JISH3250-2006, |
Material | C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920, |
Diameter | 3mm~800mm |
Length | 1.0m 5.8m,6m,or as required |
Export to | Singapore,India,Poland,Indonesia,Ukraine,Spain,Korea,Thailand,Canada,USA, |
Container Size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) |
Price Term | Ex-work, FOB, CFR, CIF, etc. |
Application | Copper bar is widely used in boat building,War industry, Car industry and communication |
Package | Standard export seaworthy package,suit for all kinds of transport,or as required. |
Contact | If you have any question,please feel free to contact me. |
Product name | Copper Strip / Copper tape / Copper sheets coil |
Shape | strip,tape,band,coil,roll |
Standard | ASTM, ISO, JIS, DIN, GB, EN |
Grade | ASTM:C10100,C10200,C10300,C10400,C10500,C10700,C10800,C10910,C10920, |
MOQ | 300KG |
Temper | 1/4 hard,1/2hard,full hard,soft,etc |
Surface | Mill finish, polished, anodizing, brushing, sand blasting, powder coating,etc |
Payment terms | T/T,L/C,western union, Paypal |
Price terms | CIF,CFR,FOB,CIF,EXW,CNF |
Width | 0.1-1500mm or customized |
Thickness | 0.1-50mm or customized |
Package | Standard export seaworthy package or as required. |
Delivery time | About 7~10 working days after deposit received |
Application | 1)Further making utensil. |
Product Name | Copper Wire |
Type | Insulated |
Payment term | TT/Trade Insurance/Credit card |
Delivery time | 7-30days( Depend on the quantity) |
Shipping terms | FOB CIF DDP EXW |
Thermal Class | 130/155/180/200/220 C |
Diameter | 0.04mm-6.0mm |
Enameled Type | Polyester/Polyurethane/Polyesterimide/Polyamide-imide |
Application | Motor Transformer Fan Speaker |
Conductor content | 99% |
Copper CNC machined parts
Product Name | Copper Wire |
Type | Insulated |
Payment term | TT/Trade Insurance/Credit card |
Delivery time | 7-30days( Depend on the quantity) |
Shipping terms | FOB CIF DDP EXW |
Thermal Class | 130/155/180/200/220 C |
Diameter | 0.04mm-6.0mm |
Enameled Type | Polyester/Polyurethane/Polyesterimide/Polyamide-imide |
Application | Motor Transformer Fan Speaker |
Conductor content | 99% |
About Us
Founded in 2008, we specialize in exporting premium copper products. Our manufacturing leverages continuous casting lines and precision drawing machines. Rigorous quality control, including eddy current testing and spectrometer analysis, guarantees the superior performance of our copper tubes and coils for global applications.
If you need any help, please contact us immediately!
Email address：sales@gneemetal.com
Square Meters Built
Enterprise Employees
Cooperating Partner
Years Experience
