1) Sizes (O.D. x T): from 6 x 1mm to 168 x 12mm
2) Standards: ASTM A500-98/ ASTM A501-98/ ASTM A519-96/JISG3441-1988/JISG3444-1944
3) Surface: oiled or black painted to prevent rust
4) Marking: as per customer\\\\\\\'s requirement

Commonly used steel grade:10/20/35/45/40Mn2/45Mn2/27SiMn/20Cr/40Cr/20CrMo/35CrMo/38CrMoAL/50CrV/30CrMnSi


Inner packing:
Caps on two ends of every pipe

Outer packing:
Hexagonal shape bundles wrapped with strong steel trip or according to customers\\\\\\\' requests