ZHONGDA SPECIAL STEEL

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Quality Control
All Zhongda's tubes and pipes are tested by an
independent division according to the specific Manufacture
and Test Plans approved by clients. The tests are as
follows.
*Non-destructive Tests:
Eddy Current Test
Ultrasonic Test
Hydrostatic Test
PMI TestPMI Test
Endoscope Test
Dimension Inspection
Surface Inspection
PT Test





*Destructive Tests:
Metallographic Examination
Intergranular Corrosion Test
Mechanical Property Test
- Tensile Test
- Hot Tensile Test
- Flattening Test
- Flaring Test
- Bending Test
- Impact Test
- Hardness Test 








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