Q1, Q2, Q3 :- Under First three quality stages chemical testing is done, in which right amount of Carbon , Manganese, Silicon, Sulphur and Phosphorous etc. are tested.
Q4. In Stage Four with chemical testing mechanical testing is also done, in which Tensile strength test, Elongation test, Proof -stress test and Bend-rebend test is done.
Q5. Under stage Five , each saria is tested to be sure that the best saria should be delivered in the market.