1, raw material test report
Gatekeeping when purchasing raw materials. Have the plate vendor provide relative testing reports for the consumables (some sample examples are shown below)
2, Weld Path Inspection after Welding
a, Ultrasonic non-destructive testing method 100, 100 per cent reports available
b, X-ray detection method 100, 100 per cent reports available
3, qualified geometric dimensions testing, measured in strict accordance with the tolerance table, and provide inspection records