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Products > Inspection Process

Inspection Process

Our steel pipes are manufactured by the process of Electric Resistance Welded production system (ERW) and are inspected thoroughly the entire production process. The inspection is strictly controlled by our proficient technicians and skillful workers in order to assure that all products meet the expected quality standard and are worth customer’s confidence.
 
1. Raw Material Inspection
 
1.1 Chemical composition test on hot roll coils by SPECTROMETER
1.2 Tensile test on strain of steels
2. General Inspection of Pipes
2.1 Straightening inspection of pipes
2.2 Surface inspection
3. Size Inspection
3.1 Inspecting on pipe diameter
3.2 Inspecting on pipe length
3.3 Inspecting on wall thickness
3.4 Inspecting on weight
4. Welding inspection by EDDY CURRENT FLAW DETECTOR
5. Pressure test by HYDROSTATIC PRESSURE TEST
6. Mechanical Property Testing
6.1 Bending test
6.2 Flattening test
6.3 Expansion test
7. Zinc thickness and smoothness zinc coat testing
8. Threaded end inspection by THREADED RING GAUGE
9. Adhesion Test for Coated Pipe
   

Pacific Pipe World Class Quality