These pipes feature a hot-dip galvanized coating (85-120μm) that provides sacrificial corrosion protection for up to 50 years. Carbon steel ERW pipes (Q235B) meet GB/T 3091 standards for low-pressure systems, while seamless pipes (20#) suit high-pressure applications (up to 16MPa). Threaded or plain ends available, with options for grooved connections and NPT threading. Applications: residential plumbing, agricultural irrigation, and industrial fencing.