Place of Origin: | China |
Brand Name: | Torich |
Certification: | ISO 9001 TS16949 |
Model Number: | ASTM A524 |
Minimum Order Quantity: | 3 tons |
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Price: | 4-6USD/kg |
Packaging Details: | In wooden boxes packaging |
Payment Terms: | L/C, T/T |
Supply Ability: | 4-5 week days |
Material: | 1008 Or 1010 Etc Low Carbon Steel | Standard: | ASTM A524 |
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OD: | 4.76-8.00 Mm | WT: | 0.7mm |
Length: | Straight Length Or Coil | Ssurance Pressure: | 350kg/cm3 |
ASTM A524 DWST Double Wall Welded Steel Tube Low Carbon steel for automotive
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