structures and parts of structures nesoi, of iron or steel
cans, plain, unfitted, of a capacity of less than 50 liters ...
pipes, tubes and hollow profiles nesoi, welded, of circular ...
tubes, pipes and hollow profiles, of iron or steel, welded, ...
equipment for scaffolding, shuttering propping or pit-proppi...
doors, windows and frames and thresholds for doors, of iron ...
pipes, tubes and hollow profiles nesoi, welded, of circular ...
tubes, pipes and hollow profiles, seamless nesoi, of circula...
tanks, drums, cans, and similar plain containers, a capacity...
tanks, casks, drums, cans, boxes and similar plain, unfitted...
pipe or tube fittings, nesoi, iron or nonstainless steel fit...
pipe or tube fittings, nesoi, stainless steel flanges
pipe or tube fittings, cast, of iron nesoi or steel
pipe or tube fittings, nesoi, stainless steel fittings nesoi
containers for compressed or liquefied gas, of iron or steel
towers and lattice masts of iron or steel
reservoirs, tanks, casks, vats and similar containers nesoi,...
line pipe for oil or gas pipelines, external diameter over 4...
tubes, pipes and hollow profiles, seamless nesoi, of circula...
pipes, tubes and hollow profiles nesoi, of iron or steel, ri...
pipes and tubes nesoi, external diameter over 406.4 mm (16 i...
pipes and tubes nesoi, external diameter over 406.4 mm (16 i...
pipe or tube fittings, nesoi, iron or nonstainless steel fla...
line pipe for oil or gas pipelines, of iron or steel, nesoi
tubes, pipes and hollow profiles of cast iron
tubes, pipes and hollow profiles, seamless nesoi, of circula...
pipe or tube fittings, nesoi, stainless steel butt welding f...
line pipe for oil and gas pipelines, of seamless iron (other...
tubes, pipes and hollow profiles, seamless nesoi, of circula...
tubes, pipes and hollow profiles, seamless nesoi, of iron (o...
pipe or tube fittings, nesoi, iron or nonstainless steel thr...
pipe or tube fittings, cast, of nonmalleable iron
pipe or tube fittings, nesoi, iron or nonstainless steel but...
tubes, pipes and hollow profiles, seamless nesoi, of circula...
pipe or tube fittings, nesoi, stainless steel threaded elbow...
tubes, pipes and hollow profiles, of iron or steel, welded, ...
casing and tubing of a kind used in drilling for oil or gas,...
bridges and bridge sections of iron or steel
line pipe for oil and gas pipelines, of stainless steel
line pipe for oil or gas pipelines, external diameter over 4...
line pipe for oil or gas pipelines, external diameter over 4...
pipes, tubes and hollow profiles nesoi, welded, of circular ...
tubes, pipes and hollow profiles, seamless nesoi, of circula...
line pipe for oil or gas pipelines, welded, of stainless ste...
pipes and tubes nesoi, external diameter over 406.4 mm (16 i...
drill pipe of a kind used in drilling for oil or gas, of iro...
casing & tubing used in drilling for oil or gas, other of st...
casing or tubing for oil or gas drilling, of iron or steel, ...
casing or tubing for oil or gas drilling, welded of stainles...
drill pipe of a kind used in drilling for oil or gas, of sta...
casing for oil or gas drilling, external diameter over 406.4...