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Brand Name : Torich
Model Number : ASTM A524
Certification : ISO 9001 TS16949
Place of Origin : China
MOQ : 3 tons
Price : 4-6USD/kg
Payment Terms : L/C, T/T
Supply Ability : 5000 tons per year
Delivery Time : 4-5 week days
Packaging Details : In wooden boxes packaging
Material : 1008 or 1010 etc low carbon steel
Standard : ASTM A524
OD : 4.76-8.00 mm
WT : 0.7mm
Length : Straight length or coil
Assurance 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
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Double Wall Welded Steel Tube ASTM A524 Low Carbon Steel Tube For Automotive Images |