Latest trade
$22.1BGlobal subsector valueHS4 subsector intelligence
Cast iron
HS4 7307 trade overview
A focused view of this HS4 subsector: market scale, momentum, leading routes, countries, and the HS6 classifications inside it.
The numbers at a glanceLatest reported year · 2024
Annual change
-0.5%Latest year on yearExporters
196Active reporting countriesImporters
200Active reporting countriesHS6 products
10Classifications inside HS4The subsector read
$22.1B in trade, with +3.6% annualized growth over three years.
Cast iron is recorded across 9,669 active corridors, with 196 exporters and 200 importers.
Annual trend
Subsector momentum over time
Reported global trade from 1995 to 2024. Read the methodology ↗
Top trade corridors
Where the subsector moves
Leading exporter-to-importer relationships by latest reported value. See data sources ↗
Latest reported relationshipsTop 10 by trade value
| Rank | Exporter | Importer | Trade value | Growth | HS6 | Distance | FTA |
|---|---|---|---|---|---|---|---|
| 1 | ChinaCHN | USA, Puerto Rico and US Virgin IslandsUSA | $621.2M | -5.7% | 10 | 11,883 km | No |
| 2 | IndiaIND | USA, Puerto Rico and US Virgin IslandsUSA | $503.2M | +15.7% | 10 | 11,771 km | No |
| 3 | USA, Puerto Rico and US Virgin IslandsUSA | CanadaCAN | $429.1M | +4.2% | 10 | 556 km | Yes |
| 4 | USA, Puerto Rico and US Virgin IslandsUSA | MexicoMEX | $345.1M | +7% | 10 | 3,359 km | Yes |
| 5 | Republic of KoreaKOR | USA, Puerto Rico and US Virgin IslandsUSA | $325.8M | +26.6% | 10 | 11,077 km | Yes |
| 6 | ChinaCHN | JapanJPN | $298.4M | -5.2% | 10 | 1,763 km | No |
| 7 | ChinaCHN | Republic of KoreaKOR | $285.3M | +1.6% | 10 | 867 km | Yes |
| 8 | MexicoMEX | USA, Puerto Rico and US Virgin IslandsUSA | $276.4M | +15.3% | 10 | 3,359 km | Yes |
| 9 | ItalyITA | GermanyDEU | $269.8M | +8.4% | 10 | 1,184 km | Yes |
| 10 | ItalyITA | USA, Puerto Rico and US Virgin IslandsUSA | $231.2M | +24.1% | 10 | 6,907 km | No |
Market structure
Where supply and demand concentrate
Exporter and importer rankings show the two sides of the subsector separately. Check coverage ↗
| Rank | Country | Exports | Partners | HS6 |
|---|---|---|---|---|
| 1 | ChinaCHN | $5.1B | 197 | 10 |
| 2 | ItalyITA | $2.2B | 173 | 10 |
| 3 | USA, Puerto Rico and US Virgin IslandsUSA | $2.1B | 178 | 10 |
| 4 | GermanyDEU | $2.1B | 179 | 10 |
| 5 | IndiaIND | $1.0B | 179 | 10 |
| 6 | Republic of KoreaKOR | $983.9M | 161 | 10 |
| 7 | PolandPOL | $653.4M | 154 | 10 |
| 8 | United KingdomGBR | $642.0M | 168 | 10 |
| 9 | NetherlandsNLD | $535.4M | 178 | 10 |
| 10 | FranceFRA | $495.9M | 177 | 10 |
| Rank | Country | Imports | Partners | HS6 |
|---|---|---|---|---|
| 1 | USA, Puerto Rico and US Virgin IslandsUSA | $3.3B | 111 | 10 |
| 2 | GermanyDEU | $1.6B | 97 | 10 |
| 3 | CanadaCAN | $952.3M | 115 | 10 |
| 4 | ChinaCHN | $740.1M | 101 | 10 |
| 5 | Saudi ArabiaSAU | $716.2M | 74 | 10 |
| 6 | JapanJPN | $672.3M | 59 | 10 |
| 7 | United KingdomGBR | $669.7M | 99 | 10 |
| 8 | FranceFRA | $665.4M | 101 | 10 |
| 9 | MexicoMEX | $660.9M | 85 | 10 |
| 10 | NetherlandsNLD | $630.6M | 100 | 10 |
HS6 product coverage
The products inside HS4 7307
Six-digit classifications make the subsector specific. Browse the product workspace ↗
10 classifications shownCast iron
Cast iron: cast fittings, of non-malleable cast ironHS6 730711
Iron or steel: cast fittings, other than of non-malleable cast ironHS6 730719
Steel, stainless: tube or pipe fittings, flanges, of stainless steelHS6 730721
Steel, stainless: tube or pipe fittings, threaded elbows, bends and sleevesHS6 730722
Steel, stainless: tube or pipe fittings, butt welding fittingsHS6 730723
Steel, stainless: tube or pipe fittings, n.e.c. in item no. 7307.2HS6 730729
Iron or steel: tube or pipe fittings, flanges, other than stainless steelHS6 730791
Iron or steel: tube or pipe fittings, threaded elbows, bends and sleeves, other than stainless steelHS6 730792
Iron or steel: tube or pipe fittings, butt welding fittings, other than stainless steelHS6 730793
Iron or steel: tube or pipe fittings, n.e.c. in item no. 7307.9, other than stainless steelHS6 730799
Definitions and coverage
Read the numbers with context
Reported observations and calculated indicators should be read with their coverage period. Responsible AI principles ↗
Reported values
Trade values describe reported merchandise trade for the HS4 classification, not company-level sales or shipment records.
Calculated indicators
Growth, concentration, volatility, and peak comparisons are calculated from reported observations.
Missing data
Unavailable observations remain unavailable. They are not filled, interpolated, or presented as forecasts.
Coverage: 1995-2024 · Data refreshed 2026-07-20 09:34:09
Data source
OECD trade statistics with CEPII context
OECD (2025), Balanced international merchandise trade statistics (BIMTS) - HS2017-6D, OECD Data Explorer (accessed on 2026-08-27). OECD BIMTS is the primary trade series for this view. Supporting bilateral trade context uses CEPII BACI bilateral trade flows (202601) under Etalab 2.0 Open Licence. Yugalinks presents derived views of reported observations and calculated indicators. Data terms: OECD Terms & Conditions.