33160 - Cold finishing of Steel shapes (Miscellaneous)
33167 - Cold rolled steel sheet & Strip (not made in steel mills)
3316711 - - Cold-rolled carbon steel sheet
3316715 - - Cold-rolled carbon steel strip
3316731 - - Cold-rolled alloy steel sheet
3316735 - - Cold-finished alloy steel strip
3316757 - - Cold-rolled stainless steel sheet & Strip
33168 - Cold finished steel bars & Bar shapes
3316811 - - Cold finished carbon steel bars
3316831 - - Cold-finished alloy steel bars
3316851 - - Cold-finished stainless steel bars
3316XX0 - - Cold finished steel shapes (Miscellaneous - Volume)
3316XX2 - - Cold finished steel shapes (Miscellaneous - Speciality)