# Ship propulsion and Steel

Their prices have moved together.

Source page: https://www.materialinsights.org/links/ship-propulsion-and-steel/

[Ship propulsion](https://www.materialinsights.org/energy/e_marine/) (energy) and [Steel](https://www.materialinsights.org/commodities/steel/) (commodity): 1 relationship.

## How they are linked

### 1. Price link: hull material

*Cost and price · Weak · Both ways*

Hulls are built from steel plate, a major cost for commercial yards. The US proxy shows no link, with monthly moves correlating at -0.08, because it is driven by navy contracts priced on cost-plus terms rather than market steel prices.

- **-0.08** monthly change correlation
- **0.02** 12-month change correlation
- **0.32** fitted elasticity

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.