Common outer diameters of spiral steel pipes include 219mm, 325mm, 406mm, 508mm, 610mm, 711mm, 800mm, 820mm, 850mm, 914mm, 1000mm, 1020mm, 1200mm, 1220mm, 1420mm, 1520mm, 1680mm, and 1800mm.

These spiral steel pipes with various outer diameters are widely used in industrial and municipal engineering fields, such as water supply and drainage projects, sewage treatment plants, and hydraulic engineering. Spiral steel pipes of different outer diameters can be selected to meet the actual engineering requirements.

Foshan Shunde Langyao Iron and Steel Co., Ltd. was established on May 11, 2015. The legal representative is Huang Songming, and the company's business scope includes: selling steel; domestic commerce.

Sewage Spiral Steel Pipe is a type of steel pipe used for discharging sewage, commonly employed in urban drainage systems, sewage treatment plants, and other locations requiring sewage treatment.

Compared to ordinary steel pipes, it boasts superior corrosion and pressure resistance, effectively resisting the侵蚀 of various corrosive substances in wastewater, thereby extending the lifespan of the pipeline. Moreover, the manufacturing process of the spiral steel pipe for sewage discharge is more complex, typically requiring multiple production stages and anti-corrosion treatments to ensure its quality and reliability.

When selecting and using waste discharge spiral steel pipes, various factors must be considered, such as corrosion resistance, pressure resistance, flow rate, and pipe material, as well as installation and maintenance requirements. This ensures their long-term stable operation, achieving good drainage and environmental protection effects. Additionally, for use in special environments, more suitable types and specifications of drainage steel pipes should be chosen.