CALIDAD 
CALIDAD
# WHAT INSPECTION TESTS EXIST IN WELDING? Welding inspection tests are divided into two major categories: — ## 1. NON-DESTRUCTIVE TESTING (NDT) These tests evaluate the weld without damaging or destroying the part. – **Visual Inspection (VT):** Direct examination of the weld bead to detect surface discontinuities such as cracks, porosity, undercut, overlap, and improper weld profile. – **Liquid Penetrant Testing (PT):** A penetrant liquid is applied to detect surface-open discontinuities on non-porous materials. – **Magnetic Particle Testing (MT):** Uses magnetic fields and ferromagnetic particles to detect surface and near-surface discontinuities in ferromagnetic materials. – **Radiographic Testing (RT):** Uses X-rays or gamma rays to detect internal discontinuities such as porosity, slag inclusions, and lack of fusion. – **Ultrasonic Testing (UT):** Uses high-frequency sound waves to detect internal and surface discontinuities, as well as to measure weld thickness. – **Ed
Inspection and testing methods are grouped into two types: destructive and non-destructive. The former, which are performed exclusively…
