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Pickling and Passivation

Pickling and Passivation

Pickling and passivation are chemical treatments applied to stainless steel to remove surface contaminants like grease, oil, and weld heat-tinted layers, which lower corrosion resistance. The acidic solutions clean the metal and form a protective chromium-oxide layer, while passivation also removes iron impurities. These treatments are crucial after mechanical cleaning and can be applied through brushing, spraying, or immersion. By enhancing the passive layer, they provide better protection against corrosion and pitting.
The processes of pickling and passivating steel offer several benefits for metal products, including:
We specialize in pickling and passivating stainless steel and other metallic surfaces to remove corrosion, oxidation, and weld damage caused by heat, steam, or corrosive environments. Our services are available for a variety of items, including pipes, tanks, vessels, cookware, medical equipment, and more. We work with various materials, including stainless steel grades like 304, 316, and Super Duplex, as well as carbon steel, aluminum, copper, and brass. Our treatments are available on-site for installed systems, new construction, or during maintenance shutdowns.

Application Industries

Our pickling and passivation services cater to a wide range of industries, including automotive, aerospace, biotechnology, cement, chemicals, engineering, healthcare, and more. We work with various materials such as stainless steel, aluminum, copper, and other metals, ensuring corrosion resistance and enhanced durability for critical components in industries like oil and gas, pharmaceuticals, textiles, railways, and FMCG.

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