Standard & Other Pipe Tubes & pipes iron/nas galvanized mech weld of circ cross-sect ext diam <=114.3mm Standard pipe iron/nas galv welded of circ cross-section ext diam <=114.3 mm Tubes pipes & hollow profiles i/nas galv wld of circ c-sect ext diam<=114.3mm nes Standard pipe iron/nas welded of circ cross-section ext diam <=114.3 mm nes Tubes & pipes pressure iron/nas welded of circ c-sect ext diam >114.3 mm Standard pipe iron/nas welded of circular cross-section ext diam >114.3 mm Tubes pipes & hollow profiles iron/nas wld of circ c-sect ext diam >114.3mm nes Standard pipe iron/nas galv welded of circ cross-section ext diam <=114.3 mm Tubes pipes & hollow profiles i/nas galv wld of circ c-sect ext diam<=114.3mm nes Tubes & pipes mechanical iron/nas weld of circ cross-sect ext diam <=114.3 mm nes Tubes & pipes pressure iron/nas welded of circ cross-sect ext diam <=114.3 mm nes Standard pipe iron/nas welded of circ cross-section ext diam <=114.3 mm nes Tubes pipes & hollow profiles i/nas wld of circ c-sect ext diam<=114.3mm nes Standard pipe iron/nas welded of circular cross-section ext diam >114.3 mm Tubes pipes & hollow profiles iron/nas wld of circ c-sect ext diam >114.3mm nes Tubes pipes & hollow profiles alloy steel(o/t stain) welded of circ c-sect nes Other tube & pipe & hollow profiles iron/nas of welded sq or retang c-sect nes Tube&pipe(o/t mech)&hollow profile(o/t struct sect) al/s of wld sq or rectang c-sect nes Other tube & pipe & hollow profiles iron/nas wld non circ c-sect nes Tube&pipe(o/t mech)&hollow profile(o/t struct sect) al/s wld non circ c-sect nes Tubes pipes shells i/s wld used in pneumatically breaking the face of the mine Tubes pipes & hollow profiles iron/non-alloy steel welded nes Tubes pipes & hollow profiles alloy steel welded nes 13.
Tuyaux normalisés et autres Tubes à usage méc fer/acier n/allié galvanisés soudés sect circ dia ext<=114 3mm Tuyaux normalisés fer/acier n/allié galvanisés soudés sect circ dia ext<=114 3mm Tubes tuyaux et prof creux f/a n/al galv soudés sect circ dia ext<=114 3mm nda Tuyaux normalisés fer/acier n/allié soudés section circ dia ext<=114 3mm nda Tubes/pression fer/acier n/allié soudés section circulaire dia ext>114 3mm Tuyaux normalisés fer/acier n/allié soudés section circulaire dia ext>114 3mm Tubes tuyaux et profilés creux f/a n/allié soudés sect circ dia ext>114 3mm nda Tuyaux normalisés fer/acier n/allié galvanisés soudés sect circ dia ext<=114 3mm Tubes tuyaux et prof creux f/a n/al galv soudés sect circ dia ext<=114 3mm nda Tubes à usage mécanique fer/acier n/allié soudés sect circ dia ext<=114 3mm nda Tubes/pression fer/acier n/allié soudés section circulaire dia ext<=114 3mm nda Tuyaux normalisés fer/acier n/allié soudés section circ dia ext<=114 3mm nda Tubes tuyaux et profilés creux f/a n/allié soudés sect circ dia ext<=114 3mm nda Tuyaux normalisés fer/acier n/allié soudés section circulaire dia ext>114 3mm Tubes tuyaux et profilés creux f/a n/allié soudés sect circ dia ext>114 3mm nda Tubes tuyaux et profilés creux acier allié a/q inoxydable soudés sect circ nda Autre tubes tuyaux et prof creux f/a n/al soud de section carrée ou rectang nda Tubes(a/q méc) tuyaux prof creux(a/q élém/struct) ac al soud sect carrée/rectang nda Autre tubes tuyaux et prof creux f/a n/al soud sect a/q circ nda Tubes(a/q méc) tuyaux prof creux(a/q élém/struct) ac al soudés sect a/q circ nda Tubes tuyaux enveloppes f/a soudés pr être introduits pr abattre les minéraux Tubes tuyaux et profilés creux en fer ou acier non allié soudés nda Tubes tuyaux et profilés creux en acier allié soudés nda 13.