Class A: land and offshore oil and gas field equipment, oil and gas well string equipment, oil and gas storage and transportation and pipeline equipment;
Class B: Refining equipment, thermal power plant equipment, thermal and gas engineering equipment, environmental protection engineering equipment, wind power generation equipment, water resources equipment, hydroelectric power plant equipment, railway and rail transit equipment, military equipment.
2. Equipment testing and evaluation
2.1 pre service testing and evaluation
(1) Nondestructive testing: CG (ray, ultrasonic, magnetic powder, penetration), TOFD testing, acoustic emission testing, eddy current testing, magnetic flux leakage testing, guided wave testing, phased array testing.
(2) Physical test: geometric dimension test, special buckle measurement, chemical composition analysis, mechanical properties test, metallographic examination, scanning electron microscope, energy spectrum analysis, up-release test, hydrostatic blasting test, external pressure to failure test, composite load test, continuous pipe fatigue test, corrosion test, corrosion test, corrosion protection coating test, etc. Welding procedure qualification.
(3) design verification and evaluation of pipe string, pipeline and spherical tank.
2.2 in service safety risk detection and evaluation
(1) stress, deformation and defect detection and evaluation.
(2) strength inspection and evaluation of defective structures.
(3) Conventional non-destructive testing, TOFD testing, acoustic emission testing, eddy current testing, magnetic flux leakage testing, phased array testing, guided wave testing of oil and gas pipelines and storage tanks, corrosion micro-magnetic testing of buried metal pipelines, micro-magnetic testing of CNG underground gas storage wells, micro-magnetic testing of boiler tube oxide skin plugging, micro-magnetic testing of continuous oil and gas pipelines The underwater magnetic field test of water conservancy steel structure is carried out.
(4) Failure analysis: chemical analysis, mechanical analysis, metallographic analysis, scanning electron microscopy analysis, energy spectrum analysis, corrosion analysis, damage mechanism analysis, failure mode analysis, etc.
