1.Statistical process control
2.Tensile and hardness test
3.Surface roughness comparator
4.Radiography(Ra)
5.Magnetic particle inspection on surface ( MS4)
6.Ultrasonic testing on structure (UV4)
7.Pressure test
8.Metallurgical analysis
9.Gauging
10.Spectrographic analysis
12.Coordinate measuring machine ( CMM)
13.Visual inspection