Suntek also offers hydrochloric acid that is primarily used for pickling of carbon steel lines at steel mills. pickling lines at steel mills alloy and stainless steels. Pickling is a metal surface treatment used to remove impurities, inorganic contaminants, rust etc. from ferrous metals, copper and aluminium alloys.
For pickling HCL has some inherent advantages over Sulfuric acid as HCL reduces pickling time, reducing pickling time, apart from giving a better surface quality. Although it is also used in aluminium etching, metal prefixing for galvanising and soldering, and metal cleaning.
HCl offers the following advantages when used for steel pickling
Reduces Heating Cost
More extensive scale removal
Less penetration of hydrogen by diffusion
Less deposition of iron salts