Pickled Stainless Steel Tube

Pickled Stainless Pipe refers to industrial stainless steel pipe processed with professional acid pickling and passivation treatment. Different from brushed or mirror decorative stainless tubes, pickled stainless pipe features a uniform silver-white matte industrial surface without polishing treatment. It removes surface oxide scale, rust, black welding spots and impurities formed during hot rolling and welding, achieving a clean, passive and anti-corrosion surface state.

This type of stainless steel pipe is designed for heavy industrial, high-temperature, pressure and fluid transmission scenarios, rather than decoration purposes. It is one of the most widely used standard industrial stainless tubes in global industrial engineering.

Core Features

Professional Pickled & Passivated SurfaceComplete removal of surface oxide layer and free iron ions, forming a dense protective passivation film. Effectively improves chemical stability and avoids surface rust, discoloration and oxidation during long-term service.

Excellent Corrosion & High Temperature ResistanceThe pickling process optimizes the surface microstructure of the steel pipe, greatly enhancing resistance to atmospheric corrosion, weak acid and alkali medium erosion. It performs stably in high-temperature environments and harsh industrial working conditions.

Full Penetration Clean TreatmentBoth inner and outer walls are uniformly pickled, no residual welding slag, no black lines, no uneven oxidation. Consistent surface texture across the whole pipe body, meeting industrial pressure vessel and pipeline system standards.

High Dimensional Accuracy & ProcessabilityUniform wall thickness, smooth inner bore, low fluid resistance. Easy for cutting, bending, welding, threading and deep processing, suitable for on-site industrial installation and secondary fabrication.

Available Material Grades

201 / 304 / 304L / 316L / 309S / 310S / 430

Common Specifications

Outer Diameter: 6mm–630mm

Wall Thickness: 0.8mm–30mm

Length: 5.8m / 6m / Custom length

Type: Seamless / Welded (ERW)

Surface: Industrial pickled finish, silver matte, non-decorative

Application Scope

Pickled stainless steel pipes are strictly applied to industrial engineering fields:

Petroleum, chemical and chemical fertilizer pipeline systems

High-temperature boiler piping and heat exchanger systems

Water treatment, environmental protection and sewage engineering

Pharmaceutical and food industrial fluid transmission

Mechanical equipment, pressure vessel accessories

Mining and marine industrial piping projects

Product Advantage

Compared with polished decorative stainless pipes, pickled stainless steel pipe focuses on mechanical performance and chemical stability. The pickling and passivation process eliminates surface defects caused by hot rolling and welding, ensuring long service life and stable operation in harsh industrial environments. It is the standard preferred material for global industrial pipeline engineering procurement.

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