Bundy tube, also known as Bundy pipe or Bundy tubing, is a type of low carbon steel tube that is commonly used for automotive brake systems. It is named after the Bundy Corporation, which was one of the first companies to manufacture this type of tubing.
Bundy tube is made by rolling a strip of low carbon steel into a tube shape and then welding the edges together. The resulting tube has a double wall construction, with an outer layer of zinc or zinc alloy coating for corrosion resistance.
Bundy tube is known for its high strength, durability, and resistance to corrosion. It is widely used in automotive brake systems because it can withstand high pressure and provide reliable performance. The double wall construction also provides an added layer of ety in case of any leakage.
In addition to brake systems, Bundy tube is also used in other applications such as fuel lines, hydraulic systems, and refrigeration systems. It is preferred over other types of tubing due to its cost-effectiveness, ease of installation, and resistance to vibration.
Overall, Bundy tube is a versatile and reliable tubing option that is widely used in various industries, particularly in automotive applications.
| Type | Double Wall (TDW) | Single Wall (TSW) |
| Welding Technique | Copper brazing | High frequency ERW |
| Resizing Method | Cold drawn | Cold drawn |
| Seam | 720 Degree seamless | Straight line seamed |
| Dimensional Accuracy | High | High |
| Strength | Mostly made hard | Can be soft or hard |
| Inside Clearliness | Good | Poor |
| Vibration Resistance | Strong | Poor |
| ety against Pressure | High | Low |
| Application | Automobile brake lines, fuel lines, transmission cooler lines, power steering lines; certain hydraulic pipes, etc; | AC, refrigeration, heat exchanagers, automobile fuel lines; compressors, etc; |
| Original Surface | Copper | None (steel) |
| Surface Coating | Copper | Zinc |
| Zinc | GALFAN | |
| GALFAN | PVF | |
| PVF | Nylon | |
| Nylon | Epoxy | |
| Epoxy | Nickel | |
| Nickel |
The Bundy tube, also known as the Bundy pipe, is a type of metal tubing that is commonly used in various applications. Some of the key applications of Bundy tubes include:
1. Automotive Industry: Bundy tubes are extensively used in the automotive industry for manufacturing brake lines, fuel lines, and transmission cooling lines. These tubes are preferred due to their high strength, corrosion resistance, and ability to withstand high pressure and temperature.
2. Refrigeration and Air Conditioning: Bundy tubes are widely used in refrigeration and air conditioning systems for the transportation of refrigerants and coolants. The tubes' excellent heat transfer properties and resistance to corrosion make them ideal for these applications.
3. Hydraulic Systems: Bundy tubes find applications in hydraulic systems, such as in construction equipment, agricultural machinery, and industrial machinery. They are used for the transportation of hydraulic fluids and are known for their durability and resistance to high pressure.
4. Plumbing and Gas Distribution: Bundy tubes are also used in plumbing and gas distribution systems. They are used for transporting water, gas, or other fluids in residential, commercial, and industrial buildings. The tubes' resistance to corrosion and ability to withstand high pressure and temperature make them suitable for these applications.
5. Medical Equipment: Bundy tubes are utilized in medical equipment, such as oxygen delivery systems and anesthesia machines. These tubes are preferred due to their high purity, resistance to corrosion, and ability to withstand sterilization processes.
6. Industrial Applications: Bundy tubes are used in various industrial applications where the transportation of fluids or gases is required. These include power generation plants, chemical processing plants, and oil and gas refineries.
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
