Import/export HS code 731581: Stud-link chains made of iron or steel
Stud-link chains, known for their strength, often used in maritime applications like ship anchoring
Why this is important if you are looking for potential customers in the UK:
- It helps you understand the market size for your product in the UK.
- It provides you with a list of potential leads who have bought similar products.
* UK only, last 24 months analysed
Imports by country
What this shows: Import market volume by exporter country into the UK.
Top 5 values
| Country | £ |
|---|---|
| China | 3,812,057 |
| Netherlands | 1,245,612 |
| France | 849,323 |
| Italy | 427,344 |
| Norway | 106,802 |
Countries rank shift: first 12 months vs second 12 months
What this shows: Countries are on both sides of the Sankey. Left side is sorted by first 12-month volume, right side by second 12-month volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| China | 2,427,720 | 1,384,337 | -1,043,383 |
| Netherlands | 651,582 | 594,030 | -57,552 |
| France | 534,010 | 315,313 | -218,697 |
| Italy | 178,187 | 249,157 | +70,970 |
| Norway | 73,273 | 33,529 | -39,744 |
| Denmark | 10,096 | 69,991 | +59,895 |
| Switzerland | 46,251 | 6,229 | -40,022 |
| Poland | 51,881 | 0 | -51,881 |
| Germany | 44,098 | 4,698 | -39,400 |
| United States | 34,175 | 2,407 | -31,768 |
Imports by country of origin
What this shows: Import volume by production origin country. Differences from exporter-country data can indicate re-export routes.
Top 5 values
| Origin | £ |
|---|---|
| China | 4,710,180 |
| Italy | 518,379 |
| France | 462,979 |
| Netherlands | 314,398 |
| Germany | 299,464 |
Country of origin rank shift: first 12 months vs second 12 months
What this shows: Origin countries are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Origin | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| China | 2,943,422 | 1,766,758 | -1,176,664 |
| Italy | 259,619 | 258,760 | -859 |
| France | 147,666 | 315,313 | +167,647 |
| Netherlands | 212,023 | 102,375 | -109,648 |
| Germany | 289,639 | 9,825 | -279,814 |
| Norway | 116,222 | 65,035 | -51,187 |
| United Kingdom | 12,363 | 135,628 | +123,265 |
| United States | 46,127 | 3,786 | -42,341 |
| Spain | 1,936 | 47,122 | +45,186 |
| South Korea | 25,137 | 0 | -25,137 |
Importers across UK regions
What this shows: Number of importing companies by UK ITL2 region.
Top 5 values
| UK region | Companies |
|---|---|
| West Midlands | 5 |
| Berkshire, Buckinghamshire and Oxfordshire | 4 |
| Inner London - West | 4 |
| North Eastern Scotland | 4 |
| Bedfordshire and Hertfordshire | 3 |
UK regions rank shift: first 12 months vs second 12 months
What this shows: UK regions are on both sides of the Sankey. Left side is sorted by first 12-month importer count, right side by second 12-month importer count, so rank changes are visible from line crossings.
Top 10 values
| UK region | First 12m | Second 12m | Delta |
|---|---|---|---|
| West Midlands | 5 | 1 | -4 |
| Berkshire, Buckinghamshire and Oxfordshire | 2 | 2 | +0 |
| Inner London - West | 3 | 1 | -2 |
| North Eastern Scotland | 3 | 3 | +0 |
| Bedfordshire and Hertfordshire | 1 | 3 | +2 |
| Outer London - West and North West | 3 | 0 | -3 |
| South Yorkshire | 2 | 2 | +0 |
| Cumbria | 1 | 2 | +1 |
| Eastern Scotland | 2 | 1 | -1 |
| Greater Manchester | 1 | 1 | +0 |
Import volume by transport
What this shows: Import value by transport mode used to bring goods into the UK.
Top 5 values
| Transport | £ |
|---|---|
| Sea transport (not vehicle on ferry) | 3,830,838 |
| Roll on Roll off (RORO) | 2,573,677 |
| Air transport | 439,245 |
| Other | 34,570 |
Transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Sea transport (not vehicle on ferry) | 2,360,685 | 1,470,153 | -890,532 |
| Roll on Roll off (RORO) | 1,496,965 | 1,076,712 | -420,253 |
| Air transport | 257,974 | 181,271 | -76,703 |
| Other | 17,815 | 16,755 | -1,060 |
Import volume by port
What this shows: Import value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Felixstowe | 1,794,728 |
| Dover | 1,169,231 |
| Grangemouth Docks | 768,627 |
| London | 505,614 |
| Immingham Docks | 488,108 |
Port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month import value, right side by second 12-month import value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Felixstowe | 1,198,025 | 596,703 | -601,322 |
| Dover | 657,606 | 511,625 | -145,981 |
| Grangemouth Docks | 292,921 | 475,706 | +182,785 |
| London | 402,438 | 103,176 | -299,262 |
| Immingham Docks | 248,539 | 239,569 | -8,970 |
| Southampton | 445,807 | 4,051 | -441,756 |
| Harwich | 171,074 | 126,060 | -45,014 |
| Tyne | 109,097 | 146,790 | +37,693 |
| London Gateway Port | 0 | 212,424 | +212,424 |
| Killingholme | 150,731 | 18,816 | -131,915 |
Importer companies by SIC division
What this shows: Industry breakdown (SIC divisions) of importing companies.
Top 5 values
| SIC | Companies |
|---|---|
| Wholesale trade, except of motor vehicles and motorcycles | 8 |
| Retail trade, except of motor vehicles and motorcycles | 7 |
| Office administrative, office support and other business support activities | 5 |
| Activities of head offices; management consultancy activities | 4 |
| Extraction of crude petroleum and natural gas | 4 |
Importer companies over time
What this shows: Monthly count of unique importing companies.
Latest 5
| Month | Companies |
|---|---|
| 2026-05 | 6 |
| 2026-04 | 3 |
| 2026-03 | 4 |
| 2026-02 | 9 |
| 2025-12 | 6 |
Top importers
What this shows: Companies with the highest number of months traded for this HS code.
| Company | Months traded |
|---|---|
| CROWN CHAINS LIMITED | 32 |
| GAEL FORCE MARINE EQUIPMENT LIMITED | 31 |
| FLITPECH LTD | 20 |
| FENDER CARE LIMITED | 19 |
| TRAMTECH SOLUTIONS LTD | 19 |
| BRIDON INTERNATIONAL LTD. | 16 |
| EGGER (UK) LIMITED | 15 |
| ELDI SCOTLAND LTD | 14 |
| ISOTECH TECHNOLOGIES LTD | 13 |
| SATURN MACHINE KNIVES LIMITED | 12 |
Importer company size by revenue band
What this shows: Distribution of importers across company revenue bands.
Top 5 values
| Revenue | Companies |
|---|---|
| 54m+ | 22 |
| 1m-15m | 17 |
| 0-1m | 9 |
| Other | 7 |
| 15m-54m | 3 |
Import seasonality
What this shows: Average monthly import pattern from historical data.
Exports by country
What this shows: Export market volume by destination country from the UK.
Top 5 values
| Country | £ |
|---|---|
| Trinidad and Tobago | 1,136,589 |
| Netherlands | 913,693 |
| Canada | 516,772 |
| Nigeria | 354,350 |
| United Arab Emirates | 256,034 |
Export countries rank shift: first 12 months vs second 12 months
What this shows: Destination countries are on both sides of the Sankey. Left side is sorted by first 12-month export volume, right side by second 12-month export volume, so rank changes are visible from line crossings.
Top 10 values
| Country | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Trinidad and Tobago | 1,136,589 | 0 | -1,136,589 |
| Netherlands | 471,882 | 441,811 | -30,071 |
| Canada | 9,439 | 507,333 | +497,894 |
| Nigeria | 87,368 | 266,982 | +179,614 |
| United Arab Emirates | 256,034 | 0 | -256,034 |
| Angola | 23,765 | 161,993 | +138,228 |
| Norway | 33,425 | 141,318 | +107,893 |
| Brazil | 45,391 | 100,500 | +55,109 |
| France | 70,145 | 56,531 | -13,614 |
| Malaysia | 100,795 | 17,767 | -83,028 |
Export volume by transport
What this shows: Export value by transport mode used to ship goods from the UK.
Top 5 values
| Transport | £ |
|---|---|
| Sea transport (not vehicle on ferry) | 3,020,258 |
| Roll on Roll off (RORO) | 1,255,564 |
| Air transport | 268,183 |
Export transport rank shift: first 12 months vs second 12 months
What this shows: Transport modes are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Transport | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Sea transport (not vehicle on ferry) | 1,798,883 | 1,221,375 | -577,508 |
| Roll on Roll off (RORO) | 614,235 | 641,329 | +27,094 |
| Air transport | 182,732 | 85,451 | -97,281 |
Export volume by port
What this shows: Export value handled by each UK port.
Top 5 values
| Port | £ |
|---|---|
| Aberdeen Docks | 1,410,216 |
| Immingham Docks | 570,595 |
| Middlesbrough | 508,753 |
| London Gateway Port | 443,459 |
| Dover / Eurotunnel | 300,923 |
Export port rank shift: first 12 months vs second 12 months
What this shows: Ports are on both sides of the Sankey. Left side is sorted by first 12-month export value, right side by second 12-month export value, so rank changes are visible from line crossings.
Top 10 values
| Port | First 12m £ | Second 12m £ | Delta £ |
|---|---|---|---|
| Aberdeen Docks | 1,146,264 | 263,952 | -882,312 |
| Immingham Docks | 317,947 | 252,648 | -65,299 |
| Middlesbrough | 1,420 | 507,333 | +505,913 |
| London Gateway Port | 382,553 | 60,906 | -321,647 |
| Dover / Eurotunnel | 150,842 | 150,081 | -761 |
| Grangemouth Docks | 79,434 | 164,758 | +85,324 |
| Felixstowe | 124,348 | 86,918 | -37,430 |
| Tyne | 2,975 | 150,481 | +147,506 |
| Southampton | 54,114 | 87,012 | +32,898 |
| Harwich | 0 | 119,186 | +119,186 |
Quick facts
HS code: 731581
Coverage: United Kingdom, most metrics for the last 24 months
Description: Stud-link chains, known for their strength, often used in maritime applications like ship anchoring