Section XV — Base metals and articles of base metal
Chapter 73 — Articles of iron or steel
Heading 7307 — Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel.
National subdivision 7307.9 — Other:
Subheading 7307.91 — Flanges
HS code
7307.91.00
Flanges
Last Verified Date - 1 October 2026
Common commodities
Carbon steel weld-neck flangeForged alloy slip-on flangeNon-stainless steel blind flangeOrifice flange in carbon steelMild steel forged weld neck flangeA105 non-stainless steel flangeForged carbon steel slip-on flangeBlind flange for pipe connectionsCarbon steel orifice flange fittingMild steel weld neck blind flange