Brand Name: | Torich |
Model Number: | ISO9001 |
MOQ: | 2 tons |
Payment Terms: | L/C, T/T |
Supply Ability: | 50000 TONS PER YEAR |
Bundy Tube Bundy Pipe PVF Coated Bundy Tubes
Copper brazed double wall steel tube is made of steel strips which is copper plated on both sides.It has widely applied for automobiles,refrigerators and the other hydraulic system industries.
Dimension and specification
O.D. mm | Thickness mm | Weight g/m | Assurance pressure kg/cm3 |
4.76 | 0.7 | 70.28 | 350 |
6.00 | 0.7 | 91.76 | 350 |
6.35 | 0.7 | 97.75 | 350 |
7.00 | 0.7 | 108.75 | 350 |
7.14 | 0.7 | 111.17 | 350 |
8.00 | 0.7 | 126.31 | 350 |
Tolerance
O.D. and W.T. +/-0.08mm
Chemical Composition
C ≤ 0.12%
Mn ≤ 0.50%
P≤ 0.04%
S≤ 0.045%
Mechanical properties
Tensile strength ≥30kgf/mm2
Yield point ≥18kgf/mm2
Elongation(50mm)≥25%
Hardness(HR30T)≤ 65
Expand test Take 3 samples of 200mm,expand the pipe outside dimension to larger than 25%
Internal cleanliness Particle and oil <0.194g/m2