TORICH INTERNATIONAL CO.,LTD Quality Control

1.  Incoming Raw Material Inspection

2.  Raw Material Segregation to avoid steel grade mix-up

3.  Heating and Hammering End for Cold Drawing

4.  Cold Drawing and Cold Rolling, on line inspection

5.  Heat Treatment,  +A,  +SRA, +LC, +N,  Q+T

6.  Straightening-Cutting to specified length-Finished Measuring Inspection

7.  Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation,   Hardness, Impact,     Mictrostruture etc

8.  Packing and Stocking.

• 100% of our steel tubes are dimensionally checked
• 100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
• 100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

Chemical Composition Testing                                               Chemical Testing

Computer Recording Testing Result                                    Portable Chemical Analyzing

Impact Testing                                                                           Hardness Testing

Tensile Strength Testing                                                           ET & UT testing