Small‑diameter 3PE anti‑corrosion steel pipe is designed for buried urban gas distribution pipelines. It is mainly made of seamless or straight‑seam steel pipe, coated with three‑layer polyethylene anti‑corrosion coating. With excellent corrosion‑resistance and stable underground performance, it effectively prevents soil corrosion and extends gas‑pipe service life.

Both standard‑grade and reinforced‑grade 3PE coating are optional. Produced in accordance with GB/T 23257‑2017, ISO‑certified. Strict inspection before delivery, mill‑test reports are available. Suitable for city gas networks, residential gas branch pipelines.