# Crushed stone and Steel

Their prices have moved together.

Source page: https://www.materialinsights.org/links/crushed-stone-and-steel/

[Crushed stone](https://www.materialinsights.org/commodities/crushed_stone/) (commodity) and [Steel](https://www.materialinsights.org/commodities/steel/) (commodity): 1 relationship.

## How they are linked

### 1. Price link: by-product substitute

*Cost and price · Weak · Both ways*

Blast furnace and steel slag are crushed and sold as aggregate for roads and concrete. The index shows no link with steel mill prices, monthly moves at -0.04 and yearly moves at -0.16, since slag volumes, not steel prices, affect aggregates.

- **-0.04** monthly change correlation
- **-0.16** 12-month change correlation
- **0.73** fitted elasticity

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