Place of Origin: | China |
Brand Name: | Torich |
Certification: | ISO 9001 TS16949 |
Model Number: | SAE J527 b |
Minimum Order Quantity: | 3 tons |
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Price: | 4-6USD/kg |
Packaging Details: | In wooden boxes packaging |
Delivery Time: | 4-5 week days |
Payment Terms: | L/C, T/T |
Supply Ability: | 5000 tons per year |
Material: | 1008 Or 1010 Etc Low Carbon Steel | Standard: | SAE J527 |
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OD: | 4.76-8.00 Mm | WT: | 0.7mm |
Length: | Straight Length Or Coil | Assurance Pressure: | 350kg/cm3 |
Brake tubes Double wall steel tubes J527 b small diameter tuing for automobiles
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