Materials and Standards

– Material: Q235B carbon structural steel (the preferred choice for water supply, drainage, municipal infrastructure, and irrigation, offering the best value for money).

– Implementation standards:

National Standard: GB/T 3091-2015

– Process: high-frequency seamless welded pipe + complete hot-dip galvanization, non-cold galvanization.

Requirements for galvanized coatings.

The climate features high temperatures, humidity, and heavy salt fog, requiring high levels of corrosion protection.

– Zinc layer thickness: ≥85μm

– Zinc layer weight: ≥600g/㎡

– Surface: Even silver gray color, with no gaps in plating, flaking, or burrs.

– Antimicrobial lifespan: 10–15 years or more in outdoor conditions.