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HSChapter 73
U.S. imports of seamless stainless steel circular tubes & pipes, cold-drawn or cold-rolled (HS 730441) totaled $16.5M in April 2026, traded with 30 countries.
Last updated: April 2026 dataCold-drawn and cold-rolled seamless stainless steel tubes command premium pricing in pharmaceutical, semiconductor, food-processing, and high-pressure chemical service applications where surface finish, corrosion resistance, and tight tolerances are non-negotiable. The US schedule distinguishes by external diameter (under 19 mm versus 19 mm and over) and by alloy grade — high-nickel stainless (7304413005 / 7304416005), boiler-grade stainless (7304413015 / 7304416015), and other stainless (7304413045 / 7304416045) — reflecting the significant price and specification differences among grades. China leads import volume, with Japan and Austria as notable precision-grade sources. Section 232 tariffs apply to all steel tubular imports, and antidumping proceedings have targeted stainless steel pipe and tube from several Asian origins.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
High-nickel stainless steels — typically those with nickel content above a threshold defined in the HTS schedule notes — are separately enumerated because their alloy composition commands different duty treatment and is relevant to trade remedy scope. Importers should obtain mill certificates specifying the exact nickel percentage and cross-reference the applicable HTS chapter notes to determine whether the 'high-nickel' subheadings (7304413005 or 7304416005) apply.
HTS classification is based on the physical characteristics of the tube (material, process, dimensions) rather than its intended end use, so a pharmaceutical-grade tube with a mirror-polished bore still classifies under the same 730441 subheadings as an industrial tube of the same dimensions. However, FDA or 3-A Sanitary Standards compliance documentation may be required by the buyer's quality system and should be obtained from the foreign mill before shipment.
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Monthly import values over time