Torich International Limited
We focus on Quality First, Quality Traceability, and Quality Stability! We focus on Customer First, People First, and Quality-Oriented!
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JASO M 101-94 Metal pipes for automobile tubing
TDW Brazed double wall low carbon steel tubing Tubing mainly for brakes
TSW Welded low carbon steel tubing Tubing mainly for fuel and lubrication
STKM 11J Carbon steel tubes for machine Structural purpose Tubing for cooling etc.
C1201 or C1220 Tubing mainly fpr air brakes
Tolerance :
Outside Dia: Nominal +/-0.1mm
Wall thickness: Nominal +/-0.1mm
Appearance : No harmful defect
Chemical Composition:
| C | Mn | P | S |
| 0.12Max | 0.50Max | 0.04Max | 0.045Max |
Mechanical properties
| T.S. | Y.P. | E.L | HR30T |
| 30kg/mm2min | 18kg/mm2min | 25%min | 65Max |
Corrosion Resistance (Hours)
| Zn8μm | Zn13μm | Zn25μm | Zn+PVF | |
| White | 72 | 72 | 72 | - |
| Red | 192 | 288 | 480 | 3000 |
Pressure Proof Test(kg/mm2)
| DW | SW | |
| Under 8 | 350 | 250 |
| 8.00-10.0 | 250 | 200 |
Flattening&Bending Test
DW No crack
SW Not mentioned.
