Section NR 254.071 - Specialized definitionsThe following definitions are applicable to the terms used in this subchapter:
(1) "Carbon hot forming operation" means hot forming operations which produce a majority, on a tonnage basis, of carbon steel products.(2) "Carbon steel" means steel products other than specialty steel products.(3) "Hot forming" means steel operations in which solidified heated steel is shaped by rolls.(4) "Hot strip and sheet mill" means steel hot forming operations that produce flat hot-rolled products other than plates.(5) "Pipe and tube mill" means steel hot forming operations that produce butt welded or seamless tubular products.(6) "Plate mill" means steel hot forming operations that produce flat hot rolled products which are either between 8 and 48 inches wide and ov er 0.23 inches thick or greater than 48 inches wide and ov er 0.18 inches thick.(7) "Primary mill" means the first hot forming steel operations performed on solidified steel after it is removed from the ingot mold, such as steel hot forming operations that reduce ingots to blooms or slabs by passing the ingots between rotating steel rolls.(8) "Scarfing" means steel surface conditioning operations in which flames generated by the combustion of oxygen and fuel are used to remove surface metal imperfections from slabs, billets, or blooms.(9) "Section mill" means steel hot forming operations that produce finished and semifinished steel products other than the products of flat, pipe and tube, plate, and hot strip and sheet mills.(10) "Specialty hot forming operation" means all hot forming operations other than carbon hot forming operations.(11) "Specialty steel" means steel products containing alloying elements, such as aluminum, chromium, cobalt, columbium, molybdenum, nickel, titanium, tungsten, vanadium, or zirconium, which are added to enhance the properties of the steel product when individual alloying elements exceed 3% or the total of all alloying elements exceeds 5%.Wis. Admin. Code Department of Natural Resources NR 254.071
Cr. Register, May, 1989, No. 401, eff. 6-1-89.