Comprehensive Testing Equipment & Full-Process Inspection System Strictly Control Product Quality
Release time:
2026-06-23
Author:
Dongjun Pipe
For pressure pipeline components, hidden internal defects, unqualified material composition and insufficient mechanical strength will directly cause pipeline leakage, explosion and major safety accidents during operation.
For pressure pipeline components, hidden internal defects, unqualified material composition and insufficient mechanical strength will directly cause pipeline leakage, explosion and major safety accidents during operation. Therefore, Dongjun Pipe has built a professional independent testing laboratory inside the factory, equipped with full sets of physical, chemical and non-destructive testing equipment, realizing full-process quality inspection covering raw material incoming inspection, semi-finished product intermediate inspection and finished product delivery inspection.
Our chemical composition testing core device is direct reading spectrometer, which can quickly and accurately detect the element content of all incoming steel blanks to eliminate raw materials with unqualified chemical proportions. For mechanical performance testing, we own hydraulic universal testing machines, digital hardness testers and metallographic analyzers. These equipment conduct tensile tests, hardness tests and metallographic structure analysis on finished forgings to verify tensile strength, yield strength and internal metal grain structure of pipe fittings.
To detect invisible internal and surface defects of forgings, we deploy a full set of non-destructive testing instruments: ultrasonic flaw detectors for detecting internal cracks, pores and layered defects inside thick-wall forgings; magnetic particle flaw detectors and penetration testing equipment for finding tiny surface cracks; X-ray flaw detectors for radiographic inspection of welded parts and complex forming components. We also equip ultrasonic thickness gauges to detect uniform wall thickness of elbows, tees and reducers to avoid partial thin wall that reduces pressure resistance.
Every batch of finished pipe fittings must pass all required inspection items before packaging and delivery. Our professional inspectors record all test data in detail and issue official factory inspection certificates consistent with EN10204:2004 standard together with the goods. The whole inspection process follows standardized operation procedures, and all testing equipment is calibrated regularly by professional institutions, so all test reports are authentic, effective and recognized by global engineering supervision companies and third-party inspection organizations.
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