1) Raw Material Testing.
2) In Process Quality checks
I. At Slitting Section
II. At Mill Section
III. At End Facing Section
IV. At Galvanizing Section
V. At Threading & Finishing Section
VI. At Dispatch Section
3) SPECAIL CHECKS:
I. Thickness, Material defect, Visual Defects, Physical & Chemical testing.
II. Diameter, Ovality, Weld Test, Bend/Flattening test, Tensile testing, Elongation.
III. Visual inspection, Weight of Zn Coating, Uniformity of Zn Coating, Roughness, Free bore Test, Adhesion test
IV. Visual Inspection of threads, checking the length of threads, Gauge length with Ring gauge.