1) Sizes (O.D. x T): 21.3mm * 2.5mm to 508mm *26.19mm
2) Standards: GB/T8163, ASTM A53, ASTM A106, JISG3452, JISG3454, DIN1629,
3)Surface: oiled or black painted to prevent rust
4) Marking: as per customers' requirements
5) Commonly used steel grade: 10 20 45 16Mn ST37 ST44 ST52 Q345 B ,A106 Gr.B , A53 Gr.B
Inner packing: Caps on two ends of every pipe
Outer packing: Hexagonal shape bundles wrapped with strong steel trip or according to customording to customers' requests
Inner packing:
Caps on two ends of every pipe