Pickling Process of Seamless Pipe Manufacturers in Pakistan


What is the pickling process for Seamless Pipe Manufacturers in Pakistan? especially in the production of precision seamless steel tubes. Mystery curtain revealed today!

Using an acid solution to remove scale and rust from a steel surface is known as pickling. Iron oxides such as slag and rust (Fe3O4, Fe2O3, FeO, etc.) react chemically with acidic solutions to form salts. and then dissolved in an acidic solution. Acidic acids include sulfuric acid, hydrochloric acid, phosphoric acid, nitric acid, and mixed acids.

Seamless Pipe Manufacturers in Pakistan mainly soak pickling, jet pickling, acid rust remover. In general, saturated etching methods are popular. And the spraying method can be used for mass production. Steel parts are usually pickled with a 10-20% sulfuric acid solution (volume ratio) at 40 ° C. If the iron content in the solution exceeds 80 g / l and ferrous sulfate is more than 215 g / l, then it should be replaced. acidic solution at room temperature Pickled steel with 20-80% hydrochloric acid solution (volume ratio) causes excessive corrosion and hydrogen cracking. Acids are very corrosive to metals. Therefore, corrosion inhibitors must be added after cleaning. The metal surface will become silvery white. and the surface is deactivated to increase the corrosion resistance of stainless steel.

The Seamless pipe Manufacturers in Pakistan carriers should be rinsed with pickling or alkali prior to use to eliminate carrier surface adsorption from diatomaceous earth and to minimize waste at chromatographic separation heights. The acidification process was carried out by placing the carrier in hydrochloric acid at a concentration of 6 mol/L for 2 h or heating in concentrated hydrochloric acid for 30 min, filtering, washing with water until neutral and dry Milling removes impurities such as iron, aluminum, calcium and magnesium from the surface. but will not eliminate the silanol group The saline tray is suitable for the analysis of acid samples.

Remove grease and rust on the surface of fine seamless Pipe in Pakistan. to prepare for the next process The production process is lubricated. (donate carbon steel, phosphorus, stainless steel - lime, aluminum, copper, oil), old copper plating process) and then remove the oxide layer of the surface. Do a deep treatment. If the steel pipe is not acidic and the oxide or oil adheres to the surface will not be able to peel off with phosphate phosphate solution and the quality of phosphate treatment will decrease.

Location: Pakistan

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