Producer Price Index by Industry: Iron, Steel Pipe and Tube from Purchased Steel: Oil Country Tubular Goods (OCTG), Standard, Line Pipe, Carbon (DISCONTINUED) (PCU33121033121001)

U.S. Bureau of Labor Statistics, Producer Price Index by Industry: Iron, Steel Pipe and Tube from Purchased Steel: Oil Country Tubular Goods (OCTG), Standard, Line Pipe, Carbon (DISCONTINUED) [PCU33121033121001], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PCU33121033121001, .