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304 stainless steel pipes are widely favored in industrial and civil fields for their excellent corrosion resistance. In comparison, 201 stainless steel pipes have poor anti-corrosion performance and are only suitable for dry indoor environments and low-standard engineering scenarios.

Bright annealing is a key heat treatment process for 304 stainless steel pipes, which can optimize the internal metallographic structure, eliminate internal stress, and ensure smooth and oxide-free surface of pipes.

Bright annealing is an essential heat treatment process to ensure the surface smoothness, corrosion resistance and mechanical properties of 304 stainless steel pipes. To achieve an oxide-free and mirror-bright surface, a series of strict process conditions including furnace tightness, temperature, air pressure and protective atmosphere must be fully controlled. The standard conditions for bright annealing of 304 stainless steel pipes are summarized as follows.

304 stainless steel pipes have gained growing market popularity due to their outstanding corrosion resistance.

The press-fit connection technology has become the mainstream joining method for 304 thin-walled stainless steel water pipes, widely recognized in modern plumbing engineering for its superior mechanical performance, construction efficiency and long-term stability.

304 thin-walled stainless steel water pipes are renowned for their excellent comprehensive corrosion resistance, which is the core reason why they replace traditional galvanized pipes, plastic pipes and copper pipes and become high-quality water supply pipeline materials.