Bundy tube
Publish Time: 2024-02-22 Origin: Site
Bundy tube, sometimes called Bundy pipe, is a type of double-walled and single-walled low-carbon steel tube manufactured by rolling a copper-coated steel strip through 720 or 360 degrees and resistance brazing the overlapped seam in a process called Bundywelding.
Applications:
Automotive parts (Fuel supply and return lines, vent and vacuum lines, fuel rails, power steering, engine and oil coolers, HVAC components, fuel filler necks)
Refrigeration parts(condensers, compressors, hot tubes, suction tubes, dryer and capillaries, and the core cycle parts of refrigerators.)
Standards:
ASTM-A254 American Society for Testing Materials
SAE-J526 & J527 Society of Automotive Engineers
JASO M 101 Japanese Automotive Standards
GM123M, 124M GM Standards
Surface treatment:
Copper coated, zinc coated, PVF coated,Galfan coated
white zinc: 5um - 25um
yellow zinc: 5um - 8um
olive green zinc: 10um - 15um
PVF: Zn(5um - 25um)/PVF(15um - 25um)
PA: Zn(5um - 25um)/PA(80um - 150um)
Galfan: ZnAl(5um - 8um)/E(5um - 8um)
Shape:
Coil, pancake coil, straight length, Flared
Mechanical property:
Tensile strength: ≥290Mpa
Yield strength: ≥180MPa
Elongation: ≥14%
Tube OD: 3.18mm - 15mm
Wall Thickness: 0.5-1mm
Innernal cleanliness: ＜0.16g/m2
Hardness HR30T: ≤65
If you have any interest please feel free to contact us.
Email:shdoshen@163.com
Shaanxi Yong Rui Industry Co., Ltd. We are a leading manufacturer of Bundy tube.