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Enterprise Name: Wuxi Xinsanhuan HVAC Equipment Installation Co., Ltd

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Manager Guo 15335241888   

Manager Lai 15190226610 

Telephone:0510-88990202

Address: 213 Xitai Road, Wuxi City


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What are the irreplaceable advantages of stainless steel ventilation ducts compared to galvanized du

Release time:2025-12-25 Click Count:59

Stainless steel ventilation ducts (such as 304 and 316 materials) contain chromium ≥ 18% and nickel ≥ 8%, which can form a dense oxide film on the surface and withstand long-term corrosion by acidic and alkaline gases (such as corrosive exhaust gases with pH 2-12). When transporting chlorine containing waste gas in the chemical workshop, the salt spray resistance of 316 stainless steel pipes reaches more than 5000 hours, while the zinc layer of galvanized pipes will be corroded and peeled off within 3 months, leading to steel plate corrosion. Its inner wall is smooth (Ra ≤ 0.8 μ m), not easy to accumulate dust and scale, suitable for clean ventilation systems in pharmaceutical and food workshops, and can be welded and formed. Its sealing performance (air leakage ≤ 0.2m ³/(h · m ²)) far exceeds the bite connection of galvanized pipes (air leakage ≥ 1.5m ³/(h · m ²)), reducing the risk of pollutant leakage.



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