1)Sizes (O.D. x W.T): from 13.7mm -- 114.3mm x 1.5mm to 19mm

2)Stanard:  ASTM-A179 

3)Steel Grade: ASTM-A179 

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