Section XV — Base metals and articles of base metal
Subheading
730799
Other
Common commodities
Carbon steel socket welding nutsAlloy steel threaded teesSteel union with plugCarbon steel swage elbow fittingHeavy duty steel nipplesStainless-free threaded capsCarbon steel socket welding plugsUnions for carbon pipe fittingsAlloy steel threaded reducing couplingSteel socket weld caps