# Aerospace and defence and Steel

Aerospace and defence depends on steel.

Source page: https://www.materialinsights.org/links/aerospace-and-defence-and-steel/

[Aerospace and defence](https://www.materialinsights.org/industries/aerospace_defence/) (industry) and [Steel](https://www.materialinsights.org/commodities/steel/) (commodity): 1 relationship.

## How they are linked

### 1. Industry input

*Physical flow · Criticality 4 of 5 · Steel → Aerospace and defence*

3 of the enterprise types in Aerospace and defence depend on steel; for the most dependent, it rates 4 out of 5 on criticality.

- **3** enterprise types depend on it
- **4 of 5** highest criticality

Enterprise types that depend on it:

- Explosives, propellant and munitions makers: shell bodies (criticality 4 of 5)
- Defence prime contractors and shipyards: hulls and armour (criticality 4 of 5)
- Aerostructure and subsystem suppliers: landing gear (criticality 3 of 5)

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