Quality control

Quality control

Quality Control
1. Lushun was ISO9001 certified and also API certified to use API SPEC5CT, API SPEC5D, API SPEC7,API SPEC7-1 monogram.
2. Mechanical properties testing equipments can make sure that hardness, tensile and impact testing are in accordance with international standard.
3. We have set up testing laboratory with HRC, Leeb and Vicker hardness testers and metallographic microscope, spectrometer for structure & composition analysis.
4. MT&UT inspection method for non destructive testing.
5. Professional thread measurement tools, such as thread gauge, micrometer and so on.

                                            Hardness test

                                                Impact test

                                                                                                                                          Spectrometer for structure & composition analysis

                                  Metallographic microscope inspection

                                                Universal testing machine                        

                                                Thread standoff inspection

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