C68700 has especially good corrosion resistance properties in sea water. C44300 Tube 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 Pancake Capillary Aluminum Brass Coil
Industrial: Condenser Tube, Evaporator Tubes, Ferrules, Distiller Tubes, Heat Exchanger Tubes
C68700 aluminium brass tubes are widely used in "Seawater desalting plants"
ASTM B111 C68700 Rolling Pancake Copper Tube Chemical Composition
| Element | Weight % |
| Copper | 76.0-79.0 |
| Zinc | Reminder |
| Aluminium | 1.8-2.5 |
| Arsenic | 0.02-0.06 |
| Lead | 0.07 |
| Iron | 0.06 max |
C68700 Brass Bending 3/8 Tube Standard Specification:
| 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 |
C68700 Soft Drawn Copper Tube Mechanical Properties
| Physical Properties | Conditions | |
| T (°C) | ||
| Density (×1000 kg/m3) | 8.33 | 25 |
| Poisson's Ratio | 0.34 | 25 |
| Elastic Modulus (GPa) | 117 | 25 |
| Tensile Strength (Mpa) | 345 | 25 |
| Yield Strength (Mpa) | 125 | |
| Elongation (%) | ||
| Reduction in Area (%) | ||
Brass Seamless Tubes Chart
| Grade | USA | U.K | Germany | Japan |
| China BG | ASTM B111 | BS 2871 | DIN 1785 | JIS H3300 |
| HAL77-2 | C68700 | CZ110 | CuZn20AL2 | C6870 |
| HSn70-1 | C44300 Tube | CZ111 | CuZn28SN1 | C4430 |
| H68A | - | CZ126 | - | - |
| H65A / H63 | C28000 / C27200 | CZ108 | CuZn26/CuZn37 | C2800/C2700 |
| Material Designation | Corresponding Material Symbol | ||||
| GB/T8890 | ASTM B111 | BS2871 | JIS H3300 | DIN 1785 | |
| Copper-Nickel | BFe10-1-1 | C70600 Pipe | CN102 | C7060 | CuNi10Fe1Mn |
| BFe30-1-1 | C71500 Pipe | CN107 | C7150 | CuNi30Mn1Fe | |
| (BFe30-2-2) | C71640 | CN108 | C7164 | CuNi30Fe2Mn2 | |
| (BFe5-1.5-0.5) | C70400 | – | – | – | |
| B7 | – | – | – | – | |
| Aluminium Brass | HAL77-2 | C68700 Tube | CZ110 | C6870 | CuZn20Al2 |
| Admiralty Brass | HSn70-1 | C44300 Tube | CZ111 | C4430 | CuZn28Sn1 |
| Boric Brass | Hsn70-18 | – | – | – | – |
| HSn70-1 AB | – | – | – | – | |
| Arsenical Brass | H68A | – | CZ126 | – | – |
| Brass Tubes | H65/H63 | C28000/C27200 | CZ108 | C2800/C2700 | CuZn36/CuZn37 |




Brass Heat exchanger Tube
| Alloy Number | Shape | OD | Wall |
| C68700 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| CuZn20Al2As | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C44300 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| CuZn28Sn1As | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C21000 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C23000 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C26000 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C27400 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C28000 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C33000 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C36000 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C37700 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C38000 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C44300 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C46400 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C48500 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
| C77000 | Seamless Tube | 3mm to 70mm | 0.2mm to 5mm |
Types of products GNEE can provide
|
Item |
High quality 99.9% pure copper pipe / straight copper tube / C11000 copper pipe price |
||
|
Standard |
ASTM,DIN,BS,CDA,JIS,GB |
||
|
Material |
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, |
||
|
Shape |
Round,Square,Rectangular,etc. |
||
|
Specifications |
Round:wall thickness:0.2mm~120mm,outside diameter:2mm~910mm
Square:wall thickness:0.2mm~120mm,size:2mm*2mm~1016mm*1016mm Rectangularwall thickness:0.2mm~120mm,size:2mm*4mm~1016mm*1219mm |
||
|
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 |
||
|
Application |
Copper pipe is the first choice of residential housing water pipes, heating, cooling pipes |
||
|
Item |
Straight copper rod/copper round bar |
||
|
Standard |
ASTM,DIN,BS,CDA,JIS,GB |
||
|
Material |
T1,T2,C10100,C10200,C10300,C10400,C10500,C10700,C10800, |
||
|
Shape |
Round,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 |
||
|
Application |
A copper rod is a type of colored metal processing bar stock with high electrical conductivity. It is mainly divided into brass |
||
|
Product Name
|
Copper Plate /Copper Sheet
|
|
Material
|
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,TU1,TU0,TU2,TP1,TP2,TAg0.1,OF-Cu,
SF-Cu,Cu-ETP,Cu-DHP,C1020,C1100,C1221,C1220,C1201
|
|
Shape
|
Flat Sheet , Coil , Strip
|
|
Standard
|
DIN GB ISO JIS BA ANSI
|
|
Grade
|
Thickness 0.005mm~500mm; Width 1mm~2500mm;
Length 1000mm~12000mm Or Free as required
|
|
Payment
|
Alibaba Trade Assurance , T/T,L/C,western union, Paypal
|
|
Price Term
|
EX-Work, FOB, FCA ,CFR ,CNF ,CIF ,DDU , DDP
|
|
Used
|
1)Electrolytic purification into pure copper for the electrical industry.
2)Mainly used to manufacture electrical equipment such as generator, bus, cable, switchgear, transformer, and heat exchanger, pipe, flat collector and other heat conduction equipment of solar heating devices. 3)Suitable for foundation stop belt, dam stop belt, dam top stop belt, corridor stop belt, dam inner hole stop belt, factory stop belt, horizontal joint stop belt under overflow surface, etc. |
|
Product Name |
Copper Wire |
|
Standard |
AISI, ASTM, BS, DIN, EN, GB, JIS |
|
Diameter |
0.6mm / 0.8mm / 0.9mm / 1.0mm / 1.2mm / 1.6mm |
|
Thinckness |
0.12mm-3.0mm |
|
Cu Content (%) |
99.998% |
|
Alu-Zinc coating |
30-180g/m2 |
|
Material |
C21000,C22000,C22600,C23000,C24000,C26000,C26130,C26800,C27000,C27200,C27400, etc. |
|
Type |
Copper Wire |
|
Package |
Standard seaworthy export packing:
3 layers of packing, inside is kraft paper, water plastic film is in the middle and outside GI steel sheet to be covered by steel strips with lock, with inner coil sleeve |
|
Certification |
ISO, SGS, CE |
|
Delivery |
8-20 days |
|
Payment Terms |
T/T, LC, Western Union, Paypal, etc. |
|
MOQ |
1 Ton |
Copper CNC machined parts
|
High Quality OEM CNC Machining Supplier
|
|
|
Services
|
CNC milling,CNC turning,Laser Cutting, Bending, Spinning, Wire Cutting, Stamping
|
|
Materials Avalivable
|
Aluminum: 2000 series, 6000 series(6061/6063), 7075, 5052, etc.
|
|
Stainless steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc.
|
|
|
Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc.
|
|
|
Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper
|
|
|
Titanium: GradeF1-F5
|
|
|
Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc
|
|
|
Surface Treatment
|
Anodize, Bead blasted, Silk Screen, PVD Plating, Zinc/Nickel/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc.
|
|
Tolerance
|
+/-0.01~+/-0.05mm
|
|
Surface Roughness
|
Min Ra0.1~3.2
|
|
Drawing Accepted
|
Stp, Step, Igs, Xt, AutoCAD(DXF, DWG), PDF, or SamplesLead Time
|
|
Lead Time
|
1-2 weeks for samples, 3-4 weeks for mass production
|
|
Quality Assurance
|
ISO9001:2015, ISO13485:2016, SGS, RoHs, TUV
|
|
Payment Terms
|
Trade Assurance, TT/ PayPal/ WestUnion
|
in exporting copper products
With 18 years of experience, we are a leading exporter of high-quality copper products. Our efficient production lines, featuring continuous casting rods, precision drawing, and automated annealing processes, ensure consistent quality. Combined with rigorous in-house testing, including spectral analysis and pressure tests, we guarantee that every copper tube, coil, and rod meets the highest international standards for global clients.





