Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. metal
8. [metal by composition or origin]
9. [iron and iron alloy]
10. iron alloy
11. steel (alloy)

Narrower term/s

• wootz

Anotations

Scope note:

Refers to hard cast steel made by various techniques, all of which involve heating of materials in crucibles. Modern equipment, such as the electric arc furnace, has made these methods obsolete.