U.S. imports of Iron & Steel Cast Fittings (Excluding Nonmalleable Cast Iron) (SITC 67952) totaled $49.7M in August 2026, imported from 40 countries.
Importers of Iron & Steel Cast Fittings (Excluding Nonmalleable Cast Iron) paid $18.9M in duties in August 2026, an average duty rate of 38.05% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule.
Last updated: August 2026 dataMalleable and ductile iron cast fittings — along with cast steel fittings — fall under this heading, distinguished from nonmalleable gray iron by the annealing or alloying processes that give them greater toughness and pressure-bearing capacity. Ductile iron fittings in particular are widely specified for water main and industrial piping systems where impact resistance matters. Trade-remedy exposure varies by material subtype and origin, so importers should verify whether antidumping or countervailing duty orders cover the specific alloy and casting method of their goods.
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3.0K import shipments a month
Ductile (nodular) iron fittings are produced with magnesium-treated iron that forms spheroidal graphite, yielding higher tensile strength than malleable iron. Malleable iron fittings are made from white cast iron that is annealed. Both fall under this heading rather than the nonmalleable heading, but the distinction matters for ASTM/ANSI specification compliance and may affect which antidumping orders apply.
Municipal water and wastewater infrastructure is the largest end-use sector for ductile iron fittings, while malleable iron threaded fittings are common in industrial process piping, HVAC, and fire protection systems. Cast steel fittings serve high-pressure and high-temperature applications in oil and gas and power generation.
Basic heading 120 of 766 in section 6
Basic heading 67952 · $49.7M of $27.0B
Imports · August 2026
origin
China and India together supply 57% of it. China pays 57.2% duty; Mexico 2.9%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
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ImportsExports
Imports
$49.7MYoY · free account
Exports
$23.5MYoY · free account
12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $552.0M of Iron & Steel Cast Fittings (Excluding Nonmalleable Cast Iron) and exported $233.6M.
Through August 2026. Source: U.S. Census Bureau.