Update Your Information about Nitric Acid Passivation

Though stainless steel has a natural ability for self- passivation, there occur some situations when steel is exposed to a natural environmental situation. That situation brings it sufficient oxygen to encourage corrosion after some time. This condition is not good for the longevity of the metal. These natural conditions also include aerated water or air that makes steel to passivate and get corrosion.

The situation can be improved by the processes of passivation and pickling. These two are the trusted ways to improve the natural properties of the metal. Though many acidic combinations work well for the same, Nitric Acid is trusted by many industries. Before trying the steel passivation with Nitric Acid, the manufacturers need to decide if the process is necessary at all or not. Besides, they also need to make sure that steel cannot be passivated until the surface of the metal is clean and completely free from pollutants.

To start process of Nitric Acid Passivation, the mechanics need to remove the scales first. They do it easily with the special technique called 'pickling.' The process is also termed as mechanical abrasion. It takes some time as removing the scales if often a tough task. The process often includes hydrofluoric/Nitric acid mixtures. However, there are some differences here. The companies that believe in traditional passivation process mostly use Nitric Acid only and not any mixture of any kind. Though the outcome of often same, but the impact of Nitric Acid Passivation is more stable as it stay for quite some time.