# HS4 8403 top trade corridors | Yugalinks

> Published by **Yugalinks**, global trade intelligence for growing businesses.
>
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Explore reported HS4 8403 trade corridors: leading exporter-to-importer routes, value, growth, market share, access, tariffs, and distance context.

Canonical: https://www.yugalinks.com/trade/sector/hs4/8403/corridors

## Page details

- Page type: HS4 subsector top trade corridors
- HS4: **8403 - Boilers**
- Parent sector: [HS2 84 overview](https://www.yugalinks.com/trade/sector/hs2/84)
- Coverage: 1995-2024
- Publisher: [Yugalinks](https://www.yugalinks.com/)

## Answer

Austria to Germany leads the reported HS4 8403 routes with $321.0M in 2024 and -23.2% calculated three-year growth. The HS4 subsector recorded $6.5B in latest reported trade, with -8.8% calculated three-year growth.

## Explore Yugalinks

- [Open HS4 8403 in the workspace](https://www.yugalinks.com/app?hs=8403)
- [Read the HS4 overview](https://www.yugalinks.com/trade/sector/hs4/8403)
- [Read the parent HS2 overview](https://www.yugalinks.com/trade/sector/hs2/84)
- [Review data sources](https://www.yugalinks.com/data-sources)
- [Check data coverage](https://www.yugalinks.com/data-coverage)
- [Read the methodology](https://www.yugalinks.com/methodology)
- [Read Responsible AI principles](https://www.yugalinks.com/responsible-ai)

## Summary and indicators

| Measure | Value | Interpretation |
| --- | ---: | --- |
| Latest reported HS4 trade | $6.5B | Reported value in 2024 |
| Displayed corridor value | $2.6B | Sum of the routes shown |
| HS4 3-year CAGR | -8.8% | Calculated annualized change |
| HS4 5-year CAGR | -0.9% | Calculated annualized change |
| HS4 10-year CAGR | -1.3% | Calculated annualized change |
| Latest year-on-year change | -12.7% | Calculated change from the prior year |
| Reported trend | Declining | Available HS4 trend label |
| Historical peak | $8.6B in 2022 | Reported-history comparison |
| Latest below peak | 24.3% | Calculated peak comparison |
| Exporter / importer HHI | 888.1 / 664.7 | Calculated concentration indicators |
| Trade volatility | 0.4 | Calculated variation in annual values |
| Active corridors / exporters / importers / HS6 | 3,146 / 149 / 191 / 2 | Latest available breadth |

## Growth leaders

- **China -> Russia**: +66.4% calculated three-year CAGR, $83.8M latest reported value, 1.3% market share, trend Rapid growth.
- **Canada -> USA, Puerto Rico and US Virgin Islands**: +8.9% calculated three-year CAGR, $150.2M latest reported value, 2.3% market share, trend Growing.
- **Germany -> USA, Puerto Rico and US Virgin Islands**: +8.1% calculated three-year CAGR, $77.4M latest reported value, 1.2% market share, trend Growing.
- **Turkey -> United Kingdom**: +7.9% calculated three-year CAGR, $95.6M latest reported value, 1.5% market share, trend Growing.
- **Italy -> Netherlands**: +6.9% calculated three-year CAGR, $67.6M latest reported value, 1% market share, trend Growing.

## Access and tariff context

FTA status, tariff fields, and distance are route context. Group averages below are calculated from the displayed routes and are not tariff recommendations.

| Access group | Reported route value | Routes | Average 3-year CAGR | Average applied tariff | Average tariff advantage |
| --- | ---: | ---: | ---: | ---: | ---: |
| FTA reported | $2.4B | 22 | -6.3% | 0% | +0 pp |
| No FTA reported | $241.6M | 3 | +26.2% | 0.1% | +0 pp |

- Lowest reported applied tariff route: **Germany -> Belgium** at 0%.
- Largest reported tariff advantage route: **Italy -> Romania** at +0.1 pp.

## Full corridor table

| Rank | Exporter | Importer | Latest trade | 3-year CAGR | 5-year CAGR | 10-year CAGR | Market share | FTA / access | Applied tariff | MFN tariff | Preferential tariff | Tariff advantage | Distance | Historical peak | Latest below peak | Years | Trend |
| ---: | --- | --- | ---: | ---: | ---: | ---: | ---: | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | --- |
| 1 | Austria | Germany | $321.0M | -23.2% | +8.8% | +1.6% | 4.9% | FTA reported | 0% | 0% | 0% | +0 pp | 524 km | $789.1M (2022) | 59.3% | 30 | Rapid decline |
| 2 | Slovakia | Germany | $250.0M | -7.7% | -0.1% | +2.5% | 3.8% | FTA reported | 0% | 0% | 0% | +0 pp | 553 km | $318.2M (2021) | 21.4% | 30 | Declining |
| 3 | Canada | USA, Puerto Rico and US Virgin Islands | $150.2M | +8.9% | +0.9% | +2.3% | 2.3% | FTA reported | 0% | 0% | 0% | +0 pp | 556 km | $150.2M (2024) | 0% | 30 | Growing |
| 4 | Germany | Belgium | $125.1M | -13.4% | -3.5% | -4.1% | 1.9% | FTA reported | 0% | 0% | 0% | +0 pp | 653 km | $242.7M (2011) | 48.5% | 26 | Rapid decline |
| 5 | Republic of Korea | USA, Puerto Rico and US Virgin Islands | $115.5M | +6.9% | +17.8% | +15.2% | 1.8% | FTA reported | 0% | 0% | 0% | +0 pp | 11,077 km | $115.5M (2024) | 0% | 30 | Growing |
| 6 | Slovakia | United Kingdom | $101.0M | +5.7% | +1.6% | -0.9% | 1.5% | FTA reported | 0% | 0% | 0% | +0 pp | 1,291 km | $140.6M (2009) | 28.2% | 27 | Growing |
| 7 | Turkey | Germany | $96.3M | -12.4% | -3.5% | -1% | 1.5% | FTA reported | 0% | 0.1% | 0% | +0.1 pp | 1,738 km | $170.6M (2023) | 43.5% | 30 | Rapid decline |
| 8 | Turkey | United Kingdom | $95.6M | +7.9% | +7.6% | +7.8% | 1.5% | FTA reported | Not reported | Not reported | Not reported | Not reported | 2,504 km | $104.5M (2023) | 8.5% | 29 | Growing |
| 9 | Germany | United Kingdom | $92.8M | -13.9% | -12.4% | -10.2% | 1.4% | FTA reported | 0% | 0% | 0% | +0 pp | 935 km | $327.4M (2013) | 71.7% | 30 | Rapid decline |
| 10 | Germany | France | $86.0M | -19.2% | -7.8% | -7.4% | 1.3% | FTA reported | 0% | 0% | 0% | +0 pp | 881 km | $291.1M (2008) | 70.4% | 30 | Rapid decline |
| 11 | Italy | Romania | $85.3M | -5.3% | +2.1% | +9% | 1.3% | FTA reported | 0.1% | 0.1% | 0% | +0.1 pp | 1,142 km | $100.5M (2021) | 15.1% | 30 | Declining |
| 12 | Poland | Italy | $84.2M | -8.2% | -0.7% | +0.5% | 1.3% | FTA reported | 0% | 0% | 0% | +0 pp | 1,317 km | $115.4M (2022) | 27.1% | 29 | Declining |
| 13 | China | Russia | $83.8M | +66.4% | +54.1% | +25.1% | 1.3% | No FTA reported | 0.1% | 0.1% | 0.1% | +0 pp | 6,831 km | $83.8M (2024) | 0% | 28 | Rapid growth |
| 14 | Italy | Spain | $82.1M | -5.2% | -2.4% | +0.7% | 1.3% | FTA reported | 0% | 0% | 0% | +0 pp | 1,366 km | $108.8M (2008) | 24.5% | 30 | Declining |
| 15 | Italy | France | $81.8M | -10.5% | -2.6% | -3.6% | 1.2% | FTA reported | 0% | 0% | 0% | +0 pp | 1,106 km | $122.0M (2011) | 33% | 30 | Rapid decline |
| 16 | Netherlands | Germany | $81.3M | -12.8% | -5.4% | -3% | 1.2% | FTA reported | 0% | 0% | 0% | +0 pp | 579 km | $178.3M (2004) | 54.4% | 30 | Rapid decline |
| 17 | Italy | Poland | $80.4M | -1.8% | +4.5% | +5.2% | 1.2% | FTA reported | 0.1% | 0.1% | 0% | +0 pp | 1,317 km | $85.4M (2022) | 5.9% | 30 | Stable |
| 18 | Italy | Russia | $80.3M | +4% | +3.6% | -3.8% | 1.2% | No FTA reported | 0.1% | 0.1% | Not reported | Not reported | 2,381 km | $130.4M (2013) | 38.4% | 30 | Growing |
| 19 | USA, Puerto Rico and US Virgin Islands | Canada | $79.7M | +1.5% | +2.4% | -0.4% | 1.2% | FTA reported | 0% | 0.1% | 0% | +0 pp | 556 km | $83.0M (2014) | 4% | 30 | Stable |
| 20 | Germany | Italy | $79.3M | -12.6% | -0.1% | -1.8% | 1.2% | FTA reported | 0% | 0% | 0% | +0 pp | 1,184 km | $181.8M (2008) | 56.4% | 30 | Rapid decline |
| 21 | Germany | USA, Puerto Rico and US Virgin Islands | $77.4M | +8.1% | +10.1% | +6.7% | 1.2% | No FTA reported | 0% | 0% | Not reported | Not reported | 6,402 km | $102.2M (2023) | 24.2% | 30 | Growing |
| 22 | Germany | Netherlands | $77.0M | -5.8% | +0% | -0.2% | 1.2% | FTA reported | 0% | 0% | 0% | +0 pp | 579 km | $135.2M (2008) | 43.1% | 30 | Declining |
| 23 | Austria | France | $74.9M | -25% | -3.3% | +1.9% | 1.1% | FTA reported | 0% | 0% | 0% | +0 pp | 1,037 km | $237.9M (2022) | 68.5% | 30 | Rapid decline |
| 24 | Switzerland, Liechtenstein | Germany | $73.3M | +1% | +1.4% | +2.2% | 1.1% | FTA reported | 0% | 0.1% | 0% | +0 pp | 674 km | $91.0M (2023) | 19.5% | 30 | Stable |
| 25 | Italy | Netherlands | $67.6M | +6.9% | +12.5% | +6.1% | 1% | FTA reported | 0% | 0% | 0% | +0 pp | 1,298 km | $67.6M (2024) | 0% | 30 | Growing |

## Definitions

Latest trade values are reported merchandise trade observations. CAGR, market share, HHI, volatility, and peak comparisons are calculated indicators over the available history. FTA, tariffs, and distance provide route context where available. Missing values remain unavailable and are not imputed or presented as forecasts.

## Data sources

- Primary trade series: OECD (2025), Balanced international merchandise trade statistics (BIMTS) - HS2017-6D, OECD Data Explorer (accessed on 2026-08-28). [OECD Data Explorer](https://data-explorer.oecd.org/) - [OECD Terms & Conditions](https://www.oecd.org/termsandconditions/)
- CEPII BACI bilateral trade flows (202601): [dataset page](https://www.cepii.fr/CEPII/en/bdd_modele/bdd_modele_item.asp?id=37) - [BACI documentation](https://www.cepii.fr/DATA_DOWNLOAD/baci/doc/baci_webpage.html) - [Etalab 2.0 Open Licence](https://www.etalab.gouv.fr/wp-content/uploads/2018/11/open-licence.pdf)

This page presents derived Yugalinks views of reported observations and calculated indicators.

## Continue your research

- [Open the HS4 workspace](https://www.yugalinks.com/app?hs=8403)
- [Read the HS4 overview](https://www.yugalinks.com/trade/sector/hs4/8403)
- [Read the HS2 overview](https://www.yugalinks.com/trade/sector/hs2/84)
- [Review data sources](https://www.yugalinks.com/data-sources)
- [Check data coverage](https://www.yugalinks.com/data-coverage)
- [Read methodology](https://www.yugalinks.com/methodology)
- [Read Responsible AI principles](https://www.yugalinks.com/responsible-ai)