Out diameter: 10-219mm
Wall thickness: 0.8-8mm
Length: Random Length, Fixed Length, SRL, DRL, as you required
(1) pre-painted (zinc: 60-120G/M2 )
(2) hot-dipped galvanized (zinc: 120-500G/M2 )
(3)cold-dipped galvanized(zinc:10-50G/M2)
Quality standard: ASTM A53, BS1387,GB/T3091-2001
Steel grade: Q195,Q215,Q235,Q345