Hyundai Hysco
Hyundai Hysco has been producing Oil Country Tubular Goods (OCTG) at its Ulsan Works in South Korea since 1978. The Ulsan Works has an annual steel capacity for all steel products of 700,000 metric tons.

Hysco produces Electric Resistance Welded (ERW) tubes by the seam annealing process. The production range breaks down as follows:

Tubing
1.315"O.D. thru 3.500"O.D.

Casing
4.500"O.D. thru 20.00"O.D.

Grades
J55                 N80
L80                HCL80
P110              HCP110