1)Sizes (O.D. x W.T): from 13.7mm -- 219.1mm x 1.5mm to 28mm

2)Stanard: ASTM-A210

3)Steel Grade: A1, C

4)Surface: oiled or black painted to prevent rust
5)Marking: as per customer's requirement

Inner packing:
Caps on two ends of every pipe

Package:bare packing/bundle packing/wooden carton packing.