1)Raw Material control

Identity and marking of material(PMI tested 100%)

Conformity of material test reports (each heat number)

Interior lab re-checking (chemical &physical)for each heat number

Dimensions and tolerance

Thickness checking

Quality of surface

2)Manufacturing control

Process procedure flowing card (each of)

Dimensional and tolerance inspection

Heat treatment control

Strictly following the ISO&5S requirements

3)Final Inspection

Non-destructive and/or destructive testing will be conducted

PMI test (100%)  Tolerance test (100%)  Marking checking

X-ray examination  Hardness test     IGC corrosion testing

Ultrasonic test Spectrum Analysis Metallurgical tests in addition

to standard testing as per ASTM