Click on the alphabetic index to display terms beginning with the corresponding
letter or search for a term below.
Oil Country Tubular Goods (OCTG)
Category of pipe products used by petroleum exploration customers. Labels bearing OCTG are applied to casings, drill pipes, oil well tubing, etc.
Ore
An iron-containing material used primarily in the blast furnace.
Oscillating
A method of winding a narrow strip of steel over a much wider roll. This allows for more steel per roll and allows the customer to have longer processing runs.
Oxidation
Rust or corrosion due to exposure to oxygen.