Contacts：Miss. Lisa
0086-13861277353
Contacts：Miss. Lisa
0086-13861277353
Contacts：Miss. Lisa
Tel：0086-13861277353
E-mail：linsa188@gmail.com
Add：No.143 Qingyang North road,Tianning district. Changzhou
| Place of Origin: | Changzhou |
| Brand Name: | Joyruns |
| Certification: | ISO9001,ROHS |
| Model Number: | 4.76*0.65MM |
| Minimum Order Quantity: | 2Tons |
| Price: | |
| Packaging Details: | wooden box packing, pallet packing |
| Delivery Time: | 10days |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 1500Tons/Month |
Detail Information | |||
| Outer Diameter(round): | 3.16 Mm---10MM | Thickness: | 0.5mm-1.0mm |
|---|---|---|---|
| Surface Treatment: | Copper Coated | Technique: | ERW/Brazed Steel Tube |
| Material: | DC04, SPCC, BHG1, BHG2 | Product Name: | Seamless Double Wall Copper Coated Bundy Tube |
| High Light: | A254-97 Double Wall Steel Tube,6*0.7mm Double Wall Steel Tube,Mild Steel Pipe 6*0.7mm | ||
ASTM A254-97 SPCC 6*0.7mm Low Carbon Seamless Double Wall Brazed Steel Tube for Refrigerator, Freezer Evaporator, Condenser
Bundy Tube Double Wall Copper Brazed Steel Tube ...Manufacturer Of Bundy Tube (Double Wall Copper Brazed Steel Tubing) Used For Automotive Hydraulic Brake System (Brake Line Tube), ACR, And Other Fluid System
Double Wall Brazed Steel Tube possesses higher withstanding pressure and higher vibration fatigue strength. Furthermore, the tube is also equipped with superior properties such as solderability, traceability, bendability, and workability in end terminal preparation. As a pressure tubing material with extensive reliability and good processing characteristics, this tube is used for several purposes, such as brake tubing, the power steering on vehicles, and many more.
Double Walled Steel Tubing is a steel tube for pressure piping, which is manufactured from electrolytic copper-coated steel strip (both surfaces). The strip is wound into a continuous tubular with a double-layered wall and then copper brazed in a special furnace using the coated copper as filler metal.
Standard dimension, tolerance, and withstand pressure
| Nominal diameter | Outer diameter (mm) | Wall thickness (mm) | Guarantee pressure
(MPa) | Burst pressure (MPa) | ||
|---|---|---|---|---|---|---|
| Standard dimension | Tolerance | Standard dimension | Tolerance | |||
| 4 | 4 | ±0.08 | 0.7 | ±0.08 | 34.3 | 108 |
| 4.76 | 4.76 | ±0.08 | 0.7 | ±0.08 | 34.3 | 108 |
| 6.35 | 6.35 | ±0.08 | 0.7 | ±0.08 | 34.3 | 83.3 |
| 8 | 8 | ±0.1 | 0.7 | ±0.1 | 24.5 | 66.2 |
| 10 | 10 | ±0.1 | 0.7 | ±0.1 | 24.5 | 53.9 |
Specification and Test
Test Item | Technical Standard | Test result | |||||
Mechanical Property | Tensile Strength290Mpa | 296Mpa | |||||
Yield Strength 180Mpa | 185Mpa | ||||||
Elongation20% | 30% | ||||||
Wall Thickness | 0.70+-0.1mm | 0.71mm | |||||
Flaring Test | Flaring25% | 30% | |||||
Bending Test | Bend 180°C in a Radius Three Times of the Pipe Diameter | No Crafk or Peeling After Flaring | |||||
Flattening Test | No Crack After Flattening | No Crack | |||||
Pressure Test | No Leakage when Charged with 34.3Mpa Nitrogen Gas for 1min | No Leakage | |||||
Thickness per Surface Treatment of Galvanize(μm) | 9μm | ||||||
Thickness per Inner Treatment of Copper-Plating | 3μ | ||||||
Produce Line
Package
Miss. Lisa
0086-13861277353
