1.steel material: S355,Q235,Q345
2.technology: ERW, hot rolled
3.thickness tolerance:+/-0.03mm
4.length:as the customer's request
5.surface treatment: Galvanized, black painting
6.Applications:1)Mainly use in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction.
2)For liquid transmission: water supply, water drainage, sewage system, etc.
3)For gas transmission: coal gas, LPG, LNG, etc.
7.Test£ºVarious Destructive & Non Destructive Test
8.Inspections: Various Visual & Dimensional Inspections